... Ni-MH).Ni-Cd rechargeable battery pack:Size SC: capacity 1,500 to 2,000mAhSize C: capacity 2,000 to 3000mAhSize ... 4,000 to 5,000mAhSize AA: capacity 700 to 1,000mAhSize 1/2D:capacity 2000-2600mAhSize 2/3A:capacity600-750mAhSize 4/ ... to 10,000mAhSize AA: capacity 1200 to 2,100mAhSize 1/2D:capacity 3000-4200mAhSize 2/3A:capacity 1000-1500mAhSize 4 ... led flashlight battery pack( 2D 3D 2SC 3SC 2AA 2C 3C ..)