Rechargeable Standard Battery, 2500mAh, NiMH 1.2V
From Amazon
Duracell Ultra HR6 AA Batteries with Low Self-Discharge (2500 mAh Pack of 2
BatteryUpgrade
Duracell AA / HR06 Ni-MH battery Rechargeable (2 pcs, 2500 mAh)
Conrad Electronic
Duracell PreCharged AA battery (rechargeable) NiMH 1.2 V 2 pc(s)
Discount Discs
Duracell 15 minute Battery Charger with 4 AA Rechargeable Batteries