The Efest Slim K4 USB-C Charger is an intelligent, four-bay, lithium battery charger for vapes, with a Type-C USB charging port. The SLIM K4 Charger can charge four batteries at once and is designed with some smart functions, such as:
- auto-detect charging
- monitors and charges each slot independently
- low voltage smart activation recovery
- 0V activation recovery.
It is compatible with Lithium IMR 3.6V/3.7V batteries: 10440, 14500, 16340, 17340, 18350, 18490, 18500, 18650, 26500, 26650, 20700, 21700.
The LED indicator will show you the status of charger. The indicator light will turn
- blue in standby mode/full charged
- white while charging.
- a 2A USB port is recommended.
- Batteries are NOT included.
- Batteries available here
- See our battery safety page for information on safely using your e-cigarette batteries.
- Four-bay charger can charge up to four batteries simultaneously
- Compatible with many battery sizes, including 18650, 20700, 21700 & 26650
- Charging speed: 4 x 0.5A, 3 x 0.5A, 2 x 1A, 1 x 1A
- Automatically stops charging
- Reverse polarity protection
- Input: Type-C USB DC 5V 2A
- Output: DC 4.20V±0.05V 0.5A*4/0.5A*3/1A*2/1A*1
PACKAGE INCLUDES:1 x Efest Slim K4 USB-C Battery Charger
1 x Type-C USB cable