High Capacity: 2800mAh 1.2V 12 Pack Ni-MH AA rechargeable batteries Long Service Life: It can be recharged over 1200 times and keep 70% power after non-use for 3 years Environment Friendly: Ni-MH environmental protection material reduce heavy metal pollution Wide application: Powerowl double a batteries are widely used in household devices like digital cameras, toys, remote controls, hand held games, 2-way radios, PDAs, flashlights, alarm-clock, LCD-TVs, Toothbrushes, Shavers and other devices that need AA battery Since 2020, Powerowl batteries are pre-charged at the factory using power generated from wind energy. Batteries will reach top performance after 3-5 times fully charge cycles