Efest Slim K1 charger for 18650, 20700, 21700 batteries
The Efest K1 is a perfect fit for travelers as it is small, robust, yet highly versatile with a wide range of compatible batteries.
The LED indicates when your battery is charging and when the battery is fully charged. The Efest Slim K1 Charger has protection for reverse polarity, short circuit, overcharge and many other safety features.
Note: battery not included!
The Efest Slim K1 Charger is compatible with the following batteries: 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 26500, 26650.
Efest Slim K1 Features:
- Fast charging mode: 1.0A
- Reverse polarity protection
- Activation function
- Auto-detect charging function
- Overcharging protection
- Short circuit protection
- Spring made from piano wire for smoothness in battery operation
- Steel cathode with low resistance and hard chromium plating for better contacts and precision charging voltage
- CE & RoHS certified
- 1 x Efest Slim K1 Charger
- 1 x Micro USB Cable
- 1 x operation manual