... 1-50AH Ni-mh battery packOutput Connector: USB, DC, JST, XRL, Alligator Clip,Air ... pack infulence by temperature.Over-current Protection,exact Limit of charging current.Pulse Charging:Charging time ... Over-current protection,Over-voltage protection,Reversal ProtectionApplication: LED Torch Flashlight,LED lamps,Electric Bicycle, Mechanical equipment, Portable Electric Device, Phone, MP3/MP4, Boat Device ...