1.Ni-MH-AA ,1.2V ,1450mAh. 300mAh,500mAh,800mAh,1000mAh,1450mAh for your choices. 2. Professional R&D Team. Product Features:*Charge anywhere from any accessible powered USB,No charger is needed .*Easy charge easy go .*Charge batteries before first use.*LED light on showing battery is charging,light off full-charged .*Recommended charge time 5-7hours via USB .*Recharge via powered USB or with an ...