... color mobile power bank 4 Easy to carry 1,Capacity:2000mah~15000mAh/3.7V(lithium polymer battery)2, ... -2 hours5,Output power:charging from AC,USB connector on computer.6, Cycle life:over 500times7. color: brown ... After 72 hours aging test, the product have high performance and high stability.7. fashionable design with mini measurement , ... -in portable power bank with 11,000mah high capacity for iphone5