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Some chargers overpromise. But the Efest SLIM K4 charger brings real value with 147 practical specs & features — including general information, electrical & power, charging performance & ports & connectivity.
A fast snapshot of the Efest SLIM K4, covering its standout specification and what you can expect right out of the box.
Efest SLIM K4
The Efest SLIM K4 is a sleek and modern four-slot battery charger that utilizes a convenient USB Type-C port for flexible power options. It automatically detects your battery type and manages the current to ensure each cell is charged safely and efficiently. With its minimalist LED display and built-in safety features, it provides a hassle-free way to keep multiple batteries ready for your favorite electronics.
Specifications & Facts 147
Specs measured. Drama avoided.
Think you know gadgets? Check out the full scoop on the Efest SLIM K4 charger: specs, votes, pros, cons, and how it measures up to competing chargers.
General Information 15
Efest SLIM K4 Intended Use
What is the intended use of this charger?
21 Efest SLIM K4 0 Votes Home, Travel
22 Chargers in this range Home, Office, Travel
Efest SLIM K4
Intended uses for this charger include both home and travel, making it versatile for different environments.
Describes where and how the charger is primarily intended to be used.
When it comes to Intended Use, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 1 score measurement.
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Efest SLIM K4 Device Compatibility
What devices are compatible with this charger?
28 Efest SLIM K4 0 Votes Accessory
38 Chargers in this range Smartphone, Tablet, Laptop, Accessory
Efest SLIM K4
Compatible primarily with accessories, suggesting this charger is optimized for smaller or peripheral devices.
Indicates the types of devices the charger can power.
When it comes to Device Compatibility, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 10 score measurement.
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Efest SLIM K4 Installation Type
How is the charger installed?
23 Efest SLIM K4 0 Votes Plug-In
25 Chargers in this range Plug-In
Efest SLIM K4
Installation type is plug-in, meaning the charger connects directly to wall outlets without the need for hardwiring.
Describes how the charger is installed or connected.
When it comes to Installation Type, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 2 score measurement.
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Efest SLIM K4 Release Year
What year was this charger released?
58 Efest SLIM K4 0 Votes 2020
69 Chargers in this range 2024
Efest SLIM K4
This model was released in the year 2020, reflecting its design and feature set from that era.
The year the charger model was first released to market.
When it comes to Release Year, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 11 score measurement.
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Efest SLIM K4 Product Name
What is the product name?
63 Efest SLIM K4 0 Votes Efest SLIM K4
61 Chargers in this range Anker 715
Official product name used to identify the charger model.
When it comes to Product Name, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 2 score measurement.
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Efest SLIM K4 Charger Type
What type of charger is this?
13 Efest SLIM K4 0 Votes Wall Charger
22 Chargers in this range Wall Charger
Defines the primary charger category based on form and usage.
When it comes to Charger Type, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 9 score measurement.
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Efest SLIM K4 Power Source
What is the power source?
63 Efest SLIM K4 0 Votes AC Outlet
57 Chargers in this range AC Outlet
Defines where the charger draws its power from.
When it comes to Power Source, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 6 score measurement.
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Efest SLIM K4 Usage Environment
Where can this charger be used?
33 Efest SLIM K4 0 Votes Indoor
39 Chargers in this range Indoor
Specifies the environments where the charger is designed to operate.
When it comes to Usage Environment, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 6 score measurement.
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Efest SLIM K4 Certifications
What certifications does this charger have?
66 Efest SLIM K4 0 Votes CE, FCC, RoHS, Qi
64 Chargers in this range CE, FCC, RoHS
Lists official safety, quality, and compliance certifications held by the charger.
When it comes to Certifications, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 2 score measurement.
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Efest SLIM K4 Charging Technology
What charging technology does it use?
33 Efest SLIM K4 0 Votes Standard Charging
56 Chargers in this range Fast Charging
Indicates the core technology used to deliver power efficiently.
When it comes to Charging Technology, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 23 score measurement.
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Efest SLIM K4 Compatibility Notes
Are compatibility notes clearly provided?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Indicates whether additional compatibility limitations or requirements are clearly disclosed.
When it comes to Compatibility Notes, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 19 score measurement.
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Efest SLIM K4 Mounting Style
What is the mounting style?
63 Efest SLIM K4 0 Votes Desktop
63 Chargers in this range Desktop
Indicates how the charger is physically positioned during use.
When it comes to Mounting Style, Efest SLIM K4 ◉ is same as Charger in this range ◉ .
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Efest SLIM K4 Regulatory Region
Which regulatory regions does it support?
93 Efest SLIM K4 0 Votes Global
79 Chargers in this range Global
Indicates the regions where the charger meets regulatory standards.
When it comes to Regulatory Region, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 14 score measurement.
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Efest SLIM K4 User Level
What user level is this charger designed for?
3 Efest SLIM K4 0 Votes Beginner
7 Chargers in this range Beginner
Describes the technical experience level required to use the charger effectively.
When it comes to User Level, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 4 score measurement.
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Efest SLIM K4 Product Form Factor
What is the product form factor?
63 Efest SLIM K4 0 Votes Compact
58 Chargers in this range Compact
Describes the overall physical form and size profile of the charger.
When it comes to Product Form Factor, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 5 score measurement.
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Electrical & Power 19
Efest SLIM K4 Minimum Output Power
What is the minimum output power?
5 Watt 0Votes
9.77 Watt (Average)
Efest SLIM K4
Minimum output power is 5 W, sufficient for charging smaller devices.
The lowest stable power output supported by the charger.
When it comes to Minimum Output Power, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 4.8 Watt measurement.
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Efest SLIM K4 Input Voltage
What input voltage does it support?
5 Volt 0Votes
85.12 Volt (Average)
Efest SLIM K4
Input voltage is 5 V, standard for USB charging, ensuring compatibility with globally available power sources.
The voltage range required from the power source to operate safely.
When it comes to Input Voltage, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 80.1 Volt measurement.
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Efest SLIM K4 Input Current
How much input current does it draw?
2 A 0Votes
1.64 A (Average)
Efest SLIM K4
Input current is 2 A, matching the output current for efficient power transfer.
The amount of current drawn from the power source during operation.
When it comes to Input Current, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 0.4 A measurement.
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Efest SLIM K4 Output Current
What is the output current?
2 A 0Votes
2.82 A (Average)
Efest SLIM K4
Output current is 2 A, which supports a steady and moderately fast charging rate for compatible devices.
The maximum current delivered to devices for charging.
When it comes to Output Current, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 0.8 A measurement.
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Efest SLIM K4 Input Frequency
What input frequency is supported?
50 Hz 0Votes
45.08 Hz (Average)
Efest SLIM K4
The input frequency is 50 Hz, matching standard AC power frequency in many countries.
The electrical frequency range the charger can accept.
When it comes to Input Frequency, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 4.9 Hz measurement.
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Efest SLIM K4 Maximum Output Power
What is the maximum output power?
5 Watt 0Votes
31.03 Watt (Average)
The highest total power the charger can deliver to connected devices.
When it comes to Maximum Output Power, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 26.0 Watt measurement.
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Efest SLIM K4 Output Voltage
What is the output voltage?
5 Volt 0Votes
13 Volt (Average)
The voltage supplied to connected devices during charging.
When it comes to Output Voltage, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 8.0 Volt measurement.
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Efest SLIM K4 Short Circuit Protection
Does it have short circuit protection?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Automatically shuts down power if a short circuit is detected.
When it comes to Short Circuit Protection, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 6 score measurement.
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Efest SLIM K4 Overcurrent Protection
Is overcurrent protection included?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Prevents damage by limiting excessive current flow.
When it comes to Overcurrent Protection, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 6 score measurement.
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Efest SLIM K4 Overvoltage Protection
Does it prevent overvoltage?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Protects devices from excessive voltage output.
When it comes to Overvoltage Protection, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 6 score measurement.
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Efest SLIM K4 Power Efficiency
How efficient is the charger?
43 Efest SLIM K4 0 Votes Medium
80 Chargers in this range High
Indicates how effectively input power is converted into usable output power.
When it comes to Power Efficiency, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 37 score measurement.
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Efest SLIM K4 Power Factor
What is the power factor?
43 Efest SLIM K4 0 Votes Medium
58 Chargers in this range High
Indicates how efficiently electrical power is drawn from the power source.
When it comes to Power Factor, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 15 score measurement.
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Efest SLIM K4 Standby Power Consumption
How much power is used on standby?
0.5 Watt 0Votes
0.16 Watt (Average)
Power consumed when the charger is plugged in but not actively charging.
When it comes to Standby Power Consumption, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 0.3 Watt measurement.
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Efest SLIM K4 Voltage Regulation
How good is the voltage regulation?
53 Efest SLIM K4 0 Votes Good
61 Chargers in this range Good
Indicates how well output voltage remains stable under varying load conditions.
When it comes to Voltage Regulation, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 8 score measurement.
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Efest SLIM K4 Current Regulation
How good is the current regulation?
63 Efest SLIM K4 0 Votes Good
67 Chargers in this range Good
Indicates how consistently current is controlled during charging.
When it comes to Current Regulation, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 4 score measurement.
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Efest SLIM K4 Load Regulation
How good is the load regulation?
26 Efest SLIM K4 0 Votes Good
37 Chargers in this range Good
Measures output stability as load increases or decreases.
When it comes to Load Regulation, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 11 score measurement.
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Efest SLIM K4 Ripple & Noise
How much ripple and noise is present?
93 Efest SLIM K4 0 Votes Low
80 Chargers in this range Low
Indicates the level of electrical noise present in the output.
When it comes to Ripple & Noise, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 13 score measurement.
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Efest SLIM K4 Surge Protection Rating
How strong is the surge protection?
0 Efest SLIM K4 0 Votes Basic
41 Chargers in this range Enhanced
Indicates the strength of protection against voltage spikes.
When it comes to Surge Protection Rating, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 41 score measurement.
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Efest SLIM K4 Peak Power Handling
What peak power can it handle?
12 Watt 0Votes
39.55 Watt (Average)
The maximum short-term power the charger can safely handle.
When it comes to Peak Power Handling, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 27.5 Watt measurement.
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Charging Performance 14
Efest SLIM K4 Simultaneous Device Charging
How many devices can be charged simultaneously?
43 Efest SLIM K4 0 Votes 4
12 Chargers in this range 2
Efest SLIM K4
It supports charging 4 devices simultaneously, matching its total number of ports for maximum utility.
The maximum number of devices that can be charged at the same time.
When it comes to Simultaneous Device Charging, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 31 score measurement.
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Efest SLIM K4 Power Distribution Method
How is power distributed?
73 Efest SLIM K4 0 Votes Dynamic
46 Chargers in this range Dynamic
Efest SLIM K4
Power distribution method is dynamic, optimizing charging currents across ports for efficient usage.
Describes how power is allocated across multiple ports.
When it comes to Power Distribution Method, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 27 score measurement.
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Efest SLIM K4 Full Charge Time Estimate
How long does a full charge take?
0 Efest SLIM K4 0 Votes 6 Hours
35 Chargers in this range 2 hours
Efest SLIM K4
Full charge time is estimated at 6 hours, indicating the typical duration to charge devices fully using this charger.
Estimated time required to fully charge a typical device.
When it comes to Full Charge Time Estimate, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 35 score measurement.
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Efest SLIM K4 Charging Speed
What is the charging speed category?
26 Efest SLIM K4 0 Votes Standard
56 Chargers in this range Fast
Classifies overall charging speed based on supported power and protocols.
When it comes to Charging Speed, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 30 score measurement.
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Efest SLIM K4 Maximum Charging Speed
What is the maximum charging speed?
10 Watt 0Votes
29.49 Watt (Average)
The highest charging power delivered to a single device.
When it comes to Maximum Charging Speed, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 19.5 Watt measurement.
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Efest SLIM K4 Intelligent Power Allocation
Does it allocate power intelligently?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Automatically adjusts power delivery based on connected devices.
When it comes to Intelligent Power Allocation, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 15 score measurement.
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Efest SLIM K4 Charging Stability
How stable is the charging performance?
43 Efest SLIM K4 0 Votes Stable
41 Chargers in this range Stable
Reflects how consistent charging output remains over time.
When it comes to Charging Stability, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 2 score measurement.
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Efest SLIM K4 Heat Management Efficiency
How efficient is heat management?
43 Efest SLIM K4 0 Votes Medium
65 Chargers in this range High
Measures how effectively heat is managed during charging.
When it comes to Heat Management Efficiency, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 22 score measurement.
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Efest SLIM K4 Throttling Behavior
How does the charger throttle performance?
93 Efest SLIM K4 0 Votes Gradual
79 Chargers in this range Gradual
Describes how charging speed is reduced when limits are reached.
When it comes to Throttling Behavior, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 14 score measurement.
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Efest SLIM K4 Charging Consistency
Is charging speed consistent?
93 Efest SLIM K4 0 Votes Consistent
85 Chargers in this range Consistent
Indicates how evenly charging speed is maintained throughout a session.
When it comes to Charging Consistency, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 8 score measurement.
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Efest SLIM K4 Idle Charging Behavior
What happens after charging is complete?
63 Efest SLIM K4 0 Votes Standby
56 Chargers in this range Standby
Describes behavior when a device is fully charged but still connected.
When it comes to Idle Charging Behavior, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 7 score measurement.
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Efest SLIM K4 Adaptive Charging
Does it support adaptive charging?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Adjusts charging patterns based on device needs and conditions.
When it comes to Adaptive Charging, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 12 score measurement.
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Efest SLIM K4 Device Detection Accuracy
How accurate is device detection?
93 Efest SLIM K4 0 Votes High
81 Chargers in this range High
Accuracy in identifying connected devices and their power needs.
When it comes to Device Detection Accuracy, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 12 score measurement.
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Efest SLIM K4 Startup Charging Delay
Is there a delay before charging starts?
No 0Votes Efest SLIM K4
Yes Chargers in this range
Time taken before charging begins after a device is connected.
When it comes to Startup Charging Delay, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Ports & Connectivity 16
Efest SLIM K4 Total Ports
How many total ports does the charger have?
63 Efest SLIM K4 0 Votes 4
22 Chargers in this range 1
Efest SLIM K4
The charger offers a total of 4 ports, allowing simultaneous charging of multiple devices.
Total number of output ports available for charging devices.
When it comes to Total Ports, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 41 score measurement.
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Efest SLIM K4 Port Placement
Where are the ports located?
73 Efest SLIM K4 0 Votes Front
65 Chargers in this range Front
Efest SLIM K4
Ports are placed at the front, providing easy access for connecting devices.
Location of charging ports on the charger body.
When it comes to Port Placement, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 8 score measurement.
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Efest SLIM K4 Connector Type
What connector types are supported?
83 Efest SLIM K4 0 Votes USB-C
65 Chargers in this range USB-C
Efest SLIM K4
USB-C is the connector type used, allowing for compatibility with modern devices and fast charging capabilities.
Types of connectors supported by the charger.
When it comes to Connector Type, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 18 score measurement.
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Efest SLIM K4 Cable Length
How long is the charging cable?
3 ft 0Votes
2.66 ft (Average)
Efest SLIM K4
The cable length is 3 ft, equivalent to approximately 0.91 m, offering convenient reach without excess clutter.
Length of the included charging cable.
When it comes to Cable Length, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 0.3 ft measurement.
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Efest SLIM K4 USB-C Ports
How many USB-C ports does it have?
0 Efest SLIM K4 0 Votes 0
56 Chargers in this range 1
Number of USB-C output ports for modern devices.
When it comes to USB-C Ports, Efest SLIM K4 ◉ is same as Charger in this range ◉ .
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Efest SLIM K4 Wireless Charging
Does it support wireless charging?
No 0Votes Efest SLIM K4
Yes Chargers in this range
Indicates whether the charger supports wireless charging.
When it comes to Wireless Charging, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Efest SLIM K4 Detachable Cable
Is the cable detachable?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Indicates whether the charging cable can be detached.
When it comes to Detachable Cable, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 30 score measurement.
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Efest SLIM K4 Interchangeable Plugs
Does it support interchangeable plugs?
No 0Votes Efest SLIM K4
Yes Chargers in this range
Supports interchangeable plug heads for different regions.
When it comes to Interchangeable Plugs, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Efest SLIM K4 Pass-Through Charging
Does it support pass-through charging?
No 0Votes Efest SLIM K4
Yes Chargers in this range
Allows the charger to power devices while itself being powered.
When it comes to Pass-Through Charging, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Efest SLIM K4 Port Labeling
Are the ports labeled?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Indicates whether ports are clearly labeled for identification.
When it comes to Port Labeling, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 12 score measurement.
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Efest SLIM K4 Port Durability
How durable are the ports?
43 Efest SLIM K4 0 Votes Medium
65 Chargers in this range High
Expected resistance of ports to wear from repeated use.
When it comes to Port Durability, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 22 score measurement.
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Efest SLIM K4 Connector Durability
How durable are the connectors?
43 Efest SLIM K4 0 Votes Medium
67 Chargers in this range High
Durability of the connector interface itself.
When it comes to Connector Durability, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 24 score measurement.
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Efest SLIM K4 Magnetic Alignment
Does it support magnetic alignment?
No 0Votes Efest SLIM K4
Yes Chargers in this range
Supports magnetic alignment for easier device placement.
When it comes to Magnetic Alignment, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Efest SLIM K4 Daisy-Chain
Can it be daisy-chained?
No 0Votes Efest SLIM K4
Yes Chargers in this range
Allows multiple chargers or devices to be linked together.
When it comes to Daisy-Chain, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Efest SLIM K4 Port Power Priority
How is port power priority handled?
93 Efest SLIM K4 0 Votes Auto
66 Chargers in this range Auto
Determines how power priority is assigned among ports.
When it comes to Port Power Priority, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 27 score measurement.
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Efest SLIM K4 USB-A Ports
How many USB-A ports are included?
0 Efest SLIM K4 0 Votes 0
19 Chargers in this range 1
Number of traditional USB-A output ports.
When it comes to USB-A Ports, Efest SLIM K4 ◉ is same as Charger in this range ◉ .
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Physical Dimensions & Weight 2
Efest SLIM K4 Cable Thickness
How thick is the cable?
0.2 inch 0Votes
0.21 inch (Average)
Efest SLIM K4
Cable thickness measures 0.2 inch, which is approximately 0.51 cm, balancing durability and flexibility.
Thickness of the charging cable, affecting durability and flexibility.
When it comes to Cable Thickness, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 0.0 inch measurement.
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Efest SLIM K4 Travel Size Classification
Is this charger travel-sized?
63 Efest SLIM K4 0 Votes Compact
62 Chargers in this range Compact
Overall size category based on dimensions and portability.
When it comes to Travel Size Classification, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 1 score measurement.
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Build Quality & Materials 11
Efest SLIM K4 Housing Material
What is the housing material?
33 Efest SLIM K4 0 Votes Plastic
39 Chargers in this range Plastic
Efest SLIM K4
The charger housing is made of plastic, providing a lightweight and cost-effective enclosure.
Primary material used for the outer charger casing.
When it comes to Housing Material, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 6 score measurement.
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Efest SLIM K4 Fire-Retardant Rating
What is the fire-retardant rating?
93 Efest SLIM K4 0 Votes V-0
84 Chargers in this range V-0
Efest SLIM K4
Fire-retardant rating V-0 indicates the material self-extinguishes quickly, offering high fire safety.
Fire safety rating of the charger materials.
When it comes to Fire-Retardant Rating, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 9 score measurement.
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Efest SLIM K4 Plug Material
What material is the plug made of?
58 Efest SLIM K4 0 Votes Plastic, Metal
55 Chargers in this range Metal
Material used for the plug prongs and structure.
When it comes to Plug Material, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 3 score measurement.
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Efest SLIM K4 Port Reinforcement
Are the ports reinforced?
0 Efest SLIM K4 0 Votes Standard
28 Chargers in this range Standard
Indicates whether charging ports are reinforced for durability.
When it comes to Port Reinforcement, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 28 score measurement.
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Efest SLIM K4 Heat-Resistant Materials
Does it use heat-resistant materials?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Uses materials designed to withstand high temperatures safely.
When it comes to Heat-Resistant Materials, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 7 score measurement.
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Efest SLIM K4 Surface Finish
What is the surface finish?
53 Efest SLIM K4 0 Votes Matte
52 Chargers in this range Matte
External surface finish affecting grip and aesthetics.
When it comes to Surface Finish, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 1 score measurement.
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Efest SLIM K4 Build Rigidity
How rigid is the charger build?
93 Efest SLIM K4 0 Votes Solid
81 Chargers in this range Solid
Overall structural stiffness of the charger body.
When it comes to Build Rigidity, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 12 score measurement.
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Efest SLIM K4 Drop Resistance
How drop-resistant is the charger?
3 ft 0Votes
2.98 ft (Average)
Maximum drop height the charger can withstand without damage.
When it comes to Drop Resistance, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 0.0 ft measurement.
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Efest SLIM K4 Scratch Resistance
How scratch-resistant is it?
43 Efest SLIM K4 0 Votes Medium
45 Chargers in this range Medium
Resistance of the surface to scratches and abrasions.
When it comes to Scratch Resistance, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 2 score measurement.
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Efest SLIM K4 Moisture Resistance
Is it resistant to moisture?
0 Efest SLIM K4 0 Votes None
22 Chargers in this range None
Ability to withstand moisture exposure.
When it comes to Moisture Resistance, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 22 score measurement.
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Efest SLIM K4 Material Sustainability Level
How sustainable are the materials?
0 Efest SLIM K4 0 Votes Low
24 Chargers in this range Medium
Use of sustainable or environmentally friendly materials.
When it comes to Material Sustainability Level, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 24 score measurement.
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Safety & Protection Features 15
Efest SLIM K4 Safety Redundancy Level
What is the safety redundancy level?
93 Efest SLIM K4 0 Votes Multi-Layer
79 Chargers in this range Multi-Layer
Efest SLIM K4
Safety redundancy is multi-layered, providing enhanced protection against electrical faults and failures.
Indicates the number of safety systems working together.
When it comes to Safety Redundancy Level, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 14 score measurement.
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Efest SLIM K4 Child Safety Shutter
Is there a child safety shutter?
No 0Votes Efest SLIM K4
Yes Chargers in this range
Prevents accidental insertion of objects into live ports.
When it comes to Child Safety Shutter, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Efest SLIM K4 Safety Certification Level
What is the safety certification level?
43 Efest SLIM K4 0 Votes Basic
61 Chargers in this range Enhanced
Overall strength of safety certifications achieved.
When it comes to Safety Certification Level, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 18 score measurement.
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Efest SLIM K4 Overheat Protection
Does it have overheat protection?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Automatically reduces or shuts off power when excessive heat is detected.
When it comes to Overheat Protection, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 6 score measurement.
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Efest SLIM K4 Temperature Monitoring
Is temperature actively monitored?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Continuously monitors internal temperature during operation.
When it comes to Temperature Monitoring, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 10 score measurement.
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Efest SLIM K4 Fire Protection
Does it include fire protection?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Built-in measures to reduce fire risk during electrical faults.
When it comes to Fire Protection, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 7 score measurement.
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Efest SLIM K4 Electrical Isolation
Is electrical isolation implemented?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Separates high-voltage and low-voltage components for safety.
When it comes to Electrical Isolation, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 6 score measurement.
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Efest SLIM K4 Grounding
Does it support grounding?
No 0Votes Efest SLIM K4
Yes Chargers in this range
Supports grounding to reduce shock and electrical interference.
When it comes to Grounding, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Efest SLIM K4 Anti-Spark Protection
Does it have anti-spark protection?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Reduces sparking when plugging or unplugging devices.
When it comes to Anti-Spark Protection, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 11 score measurement.
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Efest SLIM K4 EMI Protection
Is EMI protection included?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Protects against electromagnetic interference affecting nearby electronics.
When it comes to EMI Protection, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 6 score measurement.
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Efest SLIM K4 ESD Protection
Is ESD protection supported?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Shields the charger from electrostatic discharge damage.
When it comes to ESD Protection, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 7 score measurement.
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Efest SLIM K4 Auto Shut-Off
Does it shut off automatically?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Automatically cuts power when unsafe conditions are detected.
When it comes to Auto Shut-Off, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 7 score measurement.
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Efest SLIM K4 Fault Detection
Can it detect electrical faults?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Detects abnormal electrical conditions during operation.
When it comes to Fault Detection, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 7 score measurement.
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Efest SLIM K4 Protection Response Time
How fast does protection activate?
63 Efest SLIM K4 0 Votes Instant
45 Chargers in this range Fast
Time taken for protection systems to activate during a fault.
When it comes to Protection Response Time, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 18 score measurement.
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Efest SLIM K4 Thermal Fail-Safe Mode
Is there a thermal fail-safe mode?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Emergency mode that safely disables charging during extreme heat.
When it comes to Thermal Fail-Safe Mode, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 7 score measurement.
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Compatibility & Standards 12
Efest SLIM K4 Cross-Brand Compatibility
How broad is cross-brand compatibility?
63 Efest SLIM K4 0 Votes Wide
80 Chargers in this range Universal
Efest SLIM K4
Cross-brand compatibility is wide, meaning it can safely charge devices from many different manufacturers.
Level of compatibility across different device brands.
When it comes to Cross-Brand Compatibility, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 17 score measurement.
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Efest SLIM K4 USB Power Delivery
Does it support USB Power Delivery?
No 0Votes Efest SLIM K4
Yes Chargers in this range
Indicates support for the USB Power Delivery standard for fast and flexible charging.
When it comes to USB Power Delivery, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Efest SLIM K4 Quick Charge
Does it support Quick Charge?
No 0Votes Efest SLIM K4
Yes Chargers in this range
Indicates compatibility with Qualcomm Quick Charge technology.
When it comes to Quick Charge, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Efest SLIM K4 PPS
Does it support PPS?
No 0Votes Efest SLIM K4
Yes Chargers in this range
Supports Programmable Power Supply for efficient fast charging.
When it comes to PPS, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Efest SLIM K4 Apple Charging
Is it compatible with Apple devices?
No 0Votes Efest SLIM K4
Yes Chargers in this range
Optimized compatibility with Apple devices and charging requirements.
When it comes to Apple Charging, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Efest SLIM K4 Android Charging
Is it compatible with Android devices?
No 0Votes Efest SLIM K4
Yes Chargers in this range
Ensures compatibility with Android devices and charging protocols.
When it comes to Android Charging, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Efest SLIM K4 Laptop Charging
Can it charge laptops?
No 0Votes Efest SLIM K4
Yes Chargers in this range
Indicates whether the charger can power laptops.
When it comes to Laptop Charging, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Efest SLIM K4 Tablet Charging
Does it support tablet charging?
No 0Votes Efest SLIM K4
Yes Chargers in this range
Indicates compatibility with tablets and similar devices.
When it comes to Tablet Charging, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Efest SLIM K4 Wearable Charging
Can it charge wearables?
No 0Votes Efest SLIM K4
Yes Chargers in this range
Supports charging of wearables like smartwatches or earbuds.
When it comes to Wearable Charging, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Efest SLIM K4 Backward Compatibility
Is it backward compatible?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Maintains compatibility with older charging standards and devices.
When it comes to Backward Compatibility, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 7 score measurement.
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When it comes to Proprietary Protocol, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Efest SLIM K4 Wireless Charging Standard
Which wireless charging standard is supported?
93 Efest SLIM K4 0 Votes Qi2
39 Chargers in this range Qi
Specifies the wireless charging standard supported.
When it comes to Wireless Charging Standard, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 54 score measurement.
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Thermal & Environmental Performance 10
Efest SLIM K4 Storage Temperature Range
What is the storage temperature range?
43 Efest SLIM K4 0 Votes -4–140°F
51 Chargers in this range -4–140°F
Efest SLIM K4
The specified storage temperature is from -4°F to 140°F, which converts to approximately -20°C to 60°C.
This wide range ensures the charger can be safely stored in varied conditions without damage.
Temperature range safe for storing the charger when not in use.
When it comes to Storage Temperature Range, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 8 score measurement.
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Efest SLIM K4 Thermal Dissipation Method
How does it dissipate heat?
0 Efest SLIM K4 0 Votes Passive
0 Chargers in this range Passive
Efest SLIM K4
Thermal dissipation method is passive, relying on natural heat dissipation without fans, reducing noise and maintenance.
Method used to release heat during operation.
When it comes to Thermal Dissipation Method, Efest SLIM K4 ◉ is same as Charger in this range ◉ .
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Efest SLIM K4 Ambient Temperature Tolerance
How tolerant is it to ambient temperatures?
33 Efest SLIM K4 0 Votes Medium
42 Chargers in this range Medium
Efest SLIM K4
Supports devices within a medium range of ambient operating temperatures for safe and efficient performance.
Ability to perform in varying ambient temperatures.
When it comes to Ambient Temperature Tolerance, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 9 score measurement.
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Efest SLIM K4 Operating Temperature Range
What is the operating temperature range?
43 Efest SLIM K4 0 Votes 32–104°F
48 Chargers in this range 32–104°F
The temperature range within which the charger operates safely.
When it comes to Operating Temperature Range, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 5 score measurement.
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Efest SLIM K4 Internal Cooling Design
What internal cooling design is used?
33 Efest SLIM K4 0 Votes Heat Sink
30 Chargers in this range Heat Sink
Internal structure designed to manage heat.
When it comes to Internal Cooling Design, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 3 score measurement.
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Efest SLIM K4 Fanless Design
Is the charger fanless?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Indicates whether cooling is achieved without a fan.
When it comes to Fanless Design, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 6 score measurement.
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Efest SLIM K4 Noise Level
How noisy is the charger?
0 dB 0Votes
0.29 dB (Average)
Operational noise produced during charging.
When it comes to Noise Level, Efest SLIM K4 ◉ is same as Charger in this range ◉ .
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Efest SLIM K4 Thermal Throttling Threshold
At what temperature does throttling occur?
140 °F 0Votes
158.08 °F (Average)
Temperature at which charging power is reduced to prevent overheating.
When it comes to Thermal Throttling Threshold, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 18.1 °F measurement.
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Efest SLIM K4 Energy Loss as Heat
How much energy is lost as heat?
0 Efest SLIM K4 0 Votes Moderate
66 Chargers in this range Low
Percentage of input energy lost as heat during charging.
When it comes to Energy Loss as Heat, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 66 score measurement.
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Efest SLIM K4 Sustained Load Temperature Stability
How stable is temperature under sustained load?
93 Efest SLIM K4 0 Votes Stable
81 Chargers in this range Stable
Temperature stability during prolonged high-load charging.
When it comes to Sustained Load Temperature Stability, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 12 score measurement.
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Usability & Convenience 12
Efest SLIM K4 Plug Orientation
What is the plug orientation?
13 Efest SLIM K4 0 Votes Straight
16 Chargers in this range Straight
Efest SLIM K4
The plug orientation is straight, which impacts how the charger fits in outlets and spaces.
Orientation of the plug relative to the charger body.
When it comes to Plug Orientation, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 3 score measurement.
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Efest SLIM K4 Cable Management
How is the cable managed?
73 Efest SLIM K4 0 Votes Detachable
47 Chargers in this range External
Efest SLIM K4
Cable management is facilitated with a detachable cable, allowing for easier storage and replacement.
How the charging cable is managed when not in use.
When it comes to Cable Management, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 26 score measurement.
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Efest SLIM K4 Setup Complexity
How complex is setup?
43 Efest SLIM K4 0 Votes Plug-and-Play
41 Chargers in this range Plug-and-Play
Efest SLIM K4
Setup complexity is plug-and-play, enabling users to start charging without complicated installation.
Effort required to start using the charger.
When it comes to Setup Complexity, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 2 score measurement.
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Efest SLIM K4 LED Indicators
Does it have LED indicators?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Presence of LED lights to show charging or power status.
When it comes to LED Indicators, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 21 score measurement.
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Efest SLIM K4 Foldable Plug
Does it have a foldable plug?
No 0Votes Efest SLIM K4
Yes Chargers in this range
Indicates whether the plug can fold for easier storage and travel.
When it comes to Foldable Plug, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Efest SLIM K4 Indicator Behavior
How do the indicators behave?
63 Efest SLIM K4 0 Votes Color-Coded
33 Chargers in this range Solid
How indicator lights behave during operation.
When it comes to Indicator Behavior, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 30 score measurement.
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Efest SLIM K4 User Feedback Method
How does it provide user feedback?
43 Efest SLIM K4 0 Votes LED
43 Chargers in this range LED
Methods used to communicate status to the user.
When it comes to User Feedback Method, Efest SLIM K4 ◉ is same as Charger in this range ◉ .
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Efest SLIM K4 One-Hand Operation
Can it be operated with one hand?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Allows easy plugging and unplugging with one hand.
When it comes to One-Hand Operation, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 6 score measurement.
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Efest SLIM K4 Travel Friendly
Is it travel-friendly?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Designed for easy transport and use while traveling.
When it comes to Travel Friendly, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 6 score measurement.
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Efest SLIM K4 Maintenance Requirements
Does it require maintenance?
43 Efest SLIM K4 0 Votes Low
73 Chargers in this range None
Level of maintenance needed to keep the charger functioning well.
When it comes to Maintenance Requirements, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 30 score measurement.
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Efest SLIM K4 Daily Use Convenience
How convenient is it for daily use?
93 Efest SLIM K4 0 Votes High
85 Chargers in this range High
Overall convenience during everyday use.
When it comes to Daily Use Convenience, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 8 score measurement.
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Efest SLIM K4 Firmware Upgradable
Can the firmware be updated?
No 0Votes Efest SLIM K4
Charger in this range Who knows? (Help us out by suggesting one!)
Indicates whether the charger firmware can be updated.
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Durability & Reliability 9
Efest SLIM K4 Manufacturing Quality Level
What is the manufacturing quality level?
43 Efest SLIM K4 0 Votes Standard
53 Chargers in this range Premium
Efest SLIM K4
Manufacturing quality is rated as standard, ensuring reliable performance and durability consistent with typical industry expectations.
Overall manufacturing quality classification.
When it comes to Manufacturing Quality Level, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 10 score measurement.
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Efest SLIM K4 Rated Lifespan
How long is the rated lifespan?
93 Efest SLIM K4 0 Votes Long
71 Chargers in this range Long
Expected operational lifespan of the charger under normal usage conditions.
When it comes to Rated Lifespan, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 22 score measurement.
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Efest SLIM K4 Mean Time Between Failures
How reliable is the charger over time?
93 Efest SLIM K4 0 Votes High
73 Chargers in this range High
Average reliability level indicating how often failures are expected.
When it comes to Mean Time Between Failures, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 20 score measurement.
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Efest SLIM K4 Plug Insertion Cycles
How durable is the plug connection over time?
43 Efest SLIM K4 0 Votes Medium
70 Chargers in this range High
Indicates how many plug-in and unplug cycles the charger connector is designed to withstand before wear affects performance.
When it comes to Plug Insertion Cycles, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 27 score measurement.
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Efest SLIM K4 Port Wear Resistance
How resistant are the ports to wear?
43 Efest SLIM K4 0 Votes Medium
65 Chargers in this range High
Resistance of charging ports to wear over time.
When it comes to Port Wear Resistance, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 22 score measurement.
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Efest SLIM K4 Cable Flex Cycles
How durable is the charging cable under repeated bending?
43 Efest SLIM K4 0 Votes Medium
43 Chargers in this range Medium
Indicates how many bending cycles the charging cable can withstand before performance degradation.
When it comes to Cable Flex Cycles, Efest SLIM K4 ◉ is same as Charger in this range ◉ .
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Efest SLIM K4 Long-Term Stability
How stable is long-term performance?
93 Efest SLIM K4 0 Votes Stable
83 Chargers in this range Stable
Performance consistency over extended use periods.
When it comes to Long-Term Stability, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 10 score measurement.
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Efest SLIM K4 Environmental Stress Resistance
How resistant is it to environmental stress?
43 Efest SLIM K4 0 Votes Medium
45 Chargers in this range Medium
Ability to withstand heat, humidity, and other stresses.
When it comes to Environmental Stress Resistance, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 2 score measurement.
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Efest SLIM K4 Reliability Certification
Is reliability certified?
No 0Votes Efest SLIM K4
Yes Chargers in this range
Indicates whether reliability has been independently certified.
When it comes to Reliability Certification, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Energy & Efficiency Compliance 8
Efest SLIM K4 Energy Efficiency Rating
What is the energy efficiency rating?
43 Efest SLIM K4 0 Votes Medium
78 Chargers in this range High
Overall classification of how efficiently the charger converts power.
When it comes to Energy Efficiency Rating, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 35 score measurement.
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Efest SLIM K4 Energy Star Compliance
Is it Energy Star compliant?
No 0Votes Efest SLIM K4
Yes Chargers in this range
Indicates compliance with Energy Star efficiency standards.
When it comes to Energy Star Compliance, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Efest SLIM K4 Standby Efficiency
How efficient is the charger in standby mode?
43 Efest SLIM K4 0 Votes Medium
77 Chargers in this range High
Indicates how efficiently the charger uses power while plugged in but not actively charging.
When it comes to Standby Efficiency, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 34 score measurement.
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Efest SLIM K4 Eco Mode
Does it support eco mode?
No 0Votes Efest SLIM K4
Charger in this range Who knows? (Help us out by suggesting one!)
Reduces power consumption when full charging is not required.
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Efest SLIM K4 Power Loss Rating
How much power is lost during operation?
43 Efest SLIM K4 0 Votes Medium
76 Chargers in this range Low
Indicates the amount of input power lost during conversion and operation.
When it comes to Power Loss Rating, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 33 score measurement.
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Efest SLIM K4 Green Materials Usage
Are green materials used?
No 0Votes Efest SLIM K4
Yes Chargers in this range
Uses environmentally friendly or recycled materials.
When it comes to Green Materials Usage, Efest SLIM K4 ◉ is worse than Charger in this range ◉ .
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Efest SLIM K4 Carbon Footprint Category
What is the carbon footprint category?
43 Efest SLIM K4 0 Votes Medium
49 Chargers in this range Medium
Estimated environmental impact from production and use.
When it comes to Carbon Footprint Category, Efest SLIM K4 ◉ is worse than Charger in this range ◉ , delivering equal 6 score measurement.
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Efest SLIM K4 Energy Saving Features
Does it have energy-saving features?
Yes 0Votes Efest SLIM K4
Yes Chargers in this range
Built-in features designed to reduce energy consumption.
When it comes to Energy Saving Features, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 12 score measurement.
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Warranty & Support 4
Efest SLIM K4 Warranty Length
How long is the warranty?
33 Efest SLIM K4 0 Votes 1 Year
31 Chargers in this range 1 Year
Efest SLIM K4
The warranty length is 1 year, offering a limited period of manufacturer coverage against defects.
Duration of warranty coverage provided with the charger.
When it comes to Warranty Length, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 2 score measurement.
Don’t keep it to yourself — be the first to react and review the Warranty Length on Efest SLIM K4 ◉ and help others decide!
Efest SLIM K4 Customer Support Availability
When is customer support available?
43 Efest SLIM K4 0 Votes Business Hours
43 Chargers in this range Business Hours
Efest SLIM K4
Customer support is available during business hours, providing assistance when needed within standard times.
Availability of customer support services.
When it comes to Customer Support Availability, Efest SLIM K4 ◉ is same as Charger in this range ◉ .
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Efest SLIM K4 Support Channels
What support channels are available?
43 Efest SLIM K4 0 Votes Email, Online Portal
39 Chargers in this range Email, Online Portal
Ways users can contact customer support.
When it comes to Support Channels, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 4 score measurement.
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Efest SLIM K4 Replacement Policy
What is the replacement policy?
63 Efest SLIM K4 0 Votes Standard Returns
53 Chargers in this range Standard Returns
Defines the terms under which a defective or faulty charger can be replaced.
When it comes to Replacement Policy, Efest SLIM K4 ◉ is better than Charger in this range ◉ , delivering higher 10 score measurement.
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Surveys
Because hot takes deserve votes.
Efest SLIM K4 Charging Speed
How satisfied are you with the charging speed of this chargers when powering everyday devices?
Extremely fast charging — Under 1 hour 0Votes
Very fast charging — 1 to 2 hours 0Votes
Decent charging speed — 2 to 4 hours 0Votes
Slow charging — 4 to 6 hours 0Votes
Very slow charging — Over 6 hours 0Votes
Efest SLIM K4 Power Output Performance
How well does this chargers provide enough power for phones, tablets, or laptops?
Handles high-demand devices easily — 65 watts or more 0Votes
Strong and reliable output — 45 to 64 watts 0Votes
Good for most daily devices — 25 to 44 watts 0Votes
Limited power capability — 10 to 24 watts 0Votes
Very weak power delivery — Under 10 watts 0Votes
Efest SLIM K4 Durability and Build Quality
How durable does this chargers feel during long-term daily use?
Feels built to last a long time — Over 5 years 0Votes
Very solid and dependable — 3 to 5 years 0Votes
Decently built for regular use — 2 to 3 years 0Votes
Feels somewhat fragile — 1 to 2 years 0Votes
Breaks down too quickly — Under 1 year 0Votes
Efest SLIM K4 Portability and Size
How easy is it to carry this chargers for travel or commuting?
Ultra compact and pocketable — Under 3 ounces 0Votes
Light and travel friendly — 3 to 5 ounces 0Votes
Moderately easy to carry — 5 to 7 ounces 0Votes
Somewhat bulky — 7 to 10 ounces 0Votes
Heavy and inconvenient — Over 10 ounces 0Votes
Efest SLIM K4 Heat Management
How well does this chargers control heat during extended charging sessions?
Stays cool even under heavy use — Under 90 degrees Fahrenheit 0Votes
Gets slightly warm — 90 to 100 degrees Fahrenheit 0Votes
Noticeably warm to the touch — 100 to 110 degrees Fahrenheit 0Votes
Runs quite hot — 110 to 120 degrees Fahrenheit 0Votes
Uncomfortably hot — Over 120 degrees Fahrenheit 0Votes
Efest SLIM K4 Ease of Use
How easy is it to use this chargers on a daily basis?
Effortless and intuitive — No learning needed 0Votes
Very easy to understand — Minimal effort 0Votes
Takes a little getting used to — Some adjustment 0Votes
Slightly confusing at times — Requires patience 0Votes
Frustrating to use — Feels complicated 0Votes
Efest SLIM K4 Setup Experience
How smooth is the initial setup experience with this chargers?
Instantly ready to use — Plug and charge 0Votes
Quick and simple setup — Less than 1 minute 0Votes
Setup takes some attention — A few minutes 0Votes
Setup feels awkward — Several minutes 0Votes
Setup feels annoying — Too many steps 0Votes
Efest SLIM K4 Design and Visual Appeal
How attractive does the design of this chargers look in everyday environments?
Sleek and modern look — Feels premium 0Votes
Clean and stylish design — Looks nice 0Votes
Simple and acceptable — Nothing special 0Votes
Somewhat unattractive — Feels dated 0Votes
Cheap-looking design — Not appealing 0Votes
Efest SLIM K4 Noise and Comfort
How comfortable is this chargers to use in quiet environments?
Completely silent operation — No noise at all 0Votes
Almost silent — Barely noticeable 0Votes
Occasionally noticeable — Slight sound 0Votes
Clearly noticeable noise — Can be distracting 0Votes
Annoyingly loud — Very disruptive 0Votes
Efest SLIM K4 Pricing and Value
How do you feel about the price of this chargers compared to what it offers?
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