1 Small size 2 High capacity 3 18650 Li battery backup Universal Battery Charger pad , Power-Ally super powerful Power Bank ... compatible with smart & stylish design♥Super slim with high capacity and high efficiency♥Using LED indicators show power quantity exactly♥Portection ... tablets with high effience,smart design with usb 1A output --U880 CE,FC,ROHS Small size with high capacity portable power ...