Features: Brand new & high quality. No memory effect. Hybrid of power & stable. Exact replacement for standard AA size battery in all the devices. Can be used as a exact replacement for standard AA size batteries in most all equipments. Can be rapidly charged with any quick charger， smart chargers， plug in charger or universal chargers. Excellent performance in digital cameras， CD players， remote control vehicles， metal detectors， pocket flashlights， PDAs palm pilots， pagers， game boys， children's toys， etc. Voltage: 1.2V. Chemistry: Ni-MH(Nickel Metal Hydride). Capacity: 3000mAh. Rechargeable times: up to 1000 times. Package Content:12 x BTY AA 1.2V Ni-MH 3000mAh Rechargeable Battery(4pcs/pack)