... pack,LifePo4 battery charger,Lithiumion battery charger,smart Ni-mh battery charger, Lead acid battery charger and power adaptor, ... 1-30cells 1-50AH Ni-mh battery packOutput Connector: USB, DC, JST, XRL, Alligator Clip,Air plug ... Over-current protection,Over-voltage protection,Reversal ProtectionApplication: LED Torch Flashlight,LED lamps,Electric Bicycle, Mechanical equipment, Portable Electric ...