- Individually charges eneloop and eneloop pro Ni-MH rechargeable AA or AAA batteries
- 4 individual LED charge indicator lights
- Battery detection technology – auto shut off
- 2550mAh type, 2450mAh min, Ni-MH High Capacity pre-charged rechargeable battery
- Recharge up to 500 times
- Maintain 85% of their charge up to 1 year (when not in use)