About Efest Slim K4 Charger Battery
The Efest SLIM K4 Type-C charger is traditional and reasonably small. The most significant advantage is the Type-C connector, which is used to power it. Otherwise, like with all analogs, everything is relatively easy. Despite its compact size, the Efest SLIM K4 Type-C charger is compatible with both small and big 21700 batteries. Only Li-Ion, or conventional batteries, are reported to have 3.6 or 3.7 volts in chemistry. Efest, as we know, can charge Ni-xx with a voltage of 1.45.
Efest Slim K4 Charger Features:
- Auto-detect charging current: 2X 1.0A/ 1X 1.0A/ 4X 0.5A/ 3X 0.5A.
- LED indicator description.
- Safe and convenient USB charger (5V 2A)
- Safe charging mode: CC & CV
- Low voltage smart activation recovery function.
- Monitors and charges each slot independently.
- Compatible with lithium IMR 3.6V/3.7V Batteries.
- Incredibly lightweight and conveniently portable.
- Lithium cell from 10440 to 18650 21700 20700 26650.
Efest Slim K4 Charger parameters:
- DC output power: DC 5V 1A
- AC input power: AC 100-240V 50 / 60Hz
- Standby current: <20mA
- Auto cut-off voltage: 4.20 ± 0.05V
- Storage Temperature: -40 ° C ~ + 70 ° C
- Auto recharge voltage: 4.10 ± 0.10V
- 1A CC current: 1,000mA ± 10%
- DC input power: DC 5V 1A
- Activation current: 50mA ~ 100mA
- CV cut-off current: <100mA
- Operation Temperature: 0°C ~ 40°C
Please Note:
- Discharge and recharge batteries within the same grouping of two.
- Batteries must be matched in brand, model and battery state at all times.
- Never use damaged or improperly wrapped batteries with this device.
- Failure to do so may result in injury.
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