New Conduction Technology: effectively improve transmission efficiency, reduce losses and extend the use of time High Capacity: 2800mAh 1.2V 12 pack Ni-MH AA rechargeable batteries Long Service Life: It can be recharged over 1200 times and keep 60% power after non-use for 2 years Environment Friendly: Ni-MH environmental protection material reduce heavy metal pollution Wide application: Powerowl Pro series is widely used in household equipment and performs better in high current discharge equipment 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