https://www.amazon.com/dp/B00JHKSMJU/
- Recharge up to 2100 times
- Maintain up to 70% of their charge after 10 years (when not it use)
- 2000mAh type, 1900mAh min, Ni-MH pre-charged rechargeable battery
- 4 position charger with advanced, individual battery charging, AA and AAA cells
- Battery detection technology – automatically shuts off when charging is complete