iGo Portable Battery 6100 Lithium Polymer 6100mAh 5V rechargeable battery

6100mAh, Lithium Polymer, 2 x USB, LEDs, 175g The iGO Portable Battery 6100 is designed with two USB ports and engineered to provide a strong charge to power up to two of your mobile devices at the same time, such as a smartphone and a tablet. There is no need to search for an outlet - this product works without being plugged into a power source. Charge it up using any USB power source and take it with you for power on the go.