Combo: TN153 2-Bay Standard Battery Charger + 8 AA 2600mAh NiMH Rechargeable Batteries Charges 1 or 2 AA & AAA batteries at a time Charges NiMH or NiCd batteries (separately) Automatic charging current selection for AA or AAA Can be recharged for up to 1000 times, providing big saving by replacing hundreds of throw away AA batteries. Designed for enhanced performance for high drain applications such as digital cameras, CD players, portable audio devices, hand held games, 2-way radios, PDAs, and other portable high drain digital electronics