Ni-MH Rechargeable Mono/D 9000mAh 1.2V

Battery Code:  1.2V,  D,  HR3,  Micro
Size: D
Voltage: 1.2V
Capacity: 9000mAh
Chemistry: Ni-MH
Height: 61 mm  Diameter: 32.5 mm  
Weight: 175 gram 

Last 3 times longer than standard alkaline in digital cameras
Can be charged up to 1,000 times
No "memory" problems - Recharges any time, even if partially drained
Ni-MH is safe for the environment and can be disposed of with regular trash