... manufacture 30,000-60,000 battery packs/Day for rechargeable flashlight.( 2D-SC-C /3D-SC-C /4D-SC-C,1/2D & 4/5SC & 2 ... -Cd & Ni-MH).Ni-Cd rechargeable battery pack:Size SC: capacity 1,500 to 2,000mAhSize C: capacity 2,000 to 3000mAhSize D ... )More information,Please feel free to contact us.Thanks.STEVEN Rechargeable Led flashlight battery pack(SC,C,D,AA,1/2D,2/3A..)