New Conduction Technology: effectively improve transmission efficiency, reduce losses and extend the use of time High Capacity 1.2V Ni-MH Batteries, Pack of 8 Pro AA rechargeable batteries 2800mAh with a 8 bay smart charger 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 POWEROWL 8 Pcs 2800mAh Pro AA Rechargeable Batteries with 8 Slot Smart Battery Charger Set, USB Fast Charging for Ni-MH Rechargeable Batteries