... LED high flashlight CREE Q5 250 lumens 3 modes mini16340 battery, small portablecan be invertednight light tail Brand: YEZLModel: ... 0mm diameter 16.5mm, overcharge protection, overcharge 4.2V, voltage : 2.75V, battery cycle life of more than 500 ; Size: ... : 100V -240V 50/60Hz,Output: 4.2V current of 600mA,Reverse battery protection Battery overcharge protection, and constant voltage charging process ...