... factory production lines can manufacture 30,000-60,000 battery packs/Day for rechargeable flashlight.( 2D-SC-C ... Cd & Ni-MH).Ni-Cd rechargeable battery pack:Size SC: capacity 1,500 to 2,000mAhSize C: capacity 2 ... to 5,000mAhSize AA: capacity 700 to 1,000mAhSize 1/2D:capacity 2000-2600mAhSize 2/3A:capacity600-750mAhSize ... us.Thanks.STEVEN Rechargeable Led flashlight battery pack(SC,C,D,AA,1/2D,2/3A..)