USB CHARGE DESIGNNo need charger and adapter, fast full charge in about 2 hours, easy to charge with usb cable, just simply plug into USB ports
DITCH DISPOSABLE BATTERYRechargeable usb D battery with 1000+ cycles, save your big money comparing with the single use batteries
LED INDICATORS MANAGEMENTWhen charging, the green/red LED will blinks and will then LED remains on once it is fully charged
MULTIPLE SAFE PROTECTIONBuilt-in Integrated safety circuit protects Battery from over discharge/overcharge, when the battery is fully charged, it will automatically stop charging, passed the test of CE, ROSH, 2006/66/EC
ENERGY SAVING & ECO FRIENDLYMercury, cadmium and lead are not used in these aa lithium small batteries, saving thousands of alkaline batteries and reducing a significant about of landfill waste