All sizes(D,SC,C,AA,A,1/2D,4/5SC,2/3A...) Best & beautiful packing service life ... 60,000 battery packs/Day for rechargeable led flashlight.( 2D-SC-C /3D-SC-C /4D-SC-C,1 ... 5,000mAhSize AA: capacity 700 to 1,000mAhSize 1/2D:capacity 2000-2600mAhSize 2/3A:capacity600-750mAhSize 4/5SC capacity ... 10,000mAhSize AA: capacity 1200 to 2,100mAhSize 1/2D:capacity 3000-4200mAhSize 2/3A:capacity 1000-1500mAhSize 4/5SC ...