All sizes(D,SC,C,AA,A,1/2D,4/5SC,2/3A...) Best & beautiful ... 000 to 3000mAhSize D: capacity 4,000 to 5,000mAhSize AA: capacity 700 to 1,000mAhSize 1/2D:capacity 2000-2600mAhSize ... capacity 2,400 to 3,200mAhSize C: capacity 3,500 to 4500mAhSize D: capacity 7,000 to 10,000mAhSize AA: capacity 1200 to ... us.Here is pleasure to serve youThanks.STEVEN rechargeable flashlight battery pack 3D 4000mAh 3.6V