Charges 18650 Li-ion battery and more (10440, 14500, 14650, 16340, 17335, 17500, 17670, 18350, 18490, 18500, 18700, 20700, 21700, 22650, 2550 and 26650)

Connects to any 5V, 1A USB wall charger

Automatically selects optimal output current of 1.0A or 0.5A to ensure long battery lifespan

Displays charging status and current

Reverse polarity and short circuit protection

0V activation function revives over-discharged battery

Ultra compact design for easy travel – 92x27x26mm

Instructions USB Battery Charger