1.Fits all sizes of 3.7V cylindrical Li-on Battery. Like 32650,26650,20700,18650,16340,14500 etc.
2.USB Magnetic Design, Lightweight only 21g , Portable and Mini. Easy to Carry.
3.Discharge Funtion, Can use as a Power Bank with a battery on it.
4.With Smart Microchip, Providing Stable 5V Volatge, 1A Current, 0V battery Active and reverse Polarity Protection.
5.Simple indicate light : Charging (blinking green light) , Full charged (solid green light), Discharging (blinking blue light)