Never let your smartphone, tablet or other devices die again while you're on-the-go. This universal power bank packs up to 2600 mAH and a 5V output which can fully recharge your smartphone (depending on your smartphone) on a full battery. It also has a built-in battery which comes in handy in dark places. The compact and lightweight design won't take up too much space in your bag or on your desk. This power bank is compatible with any cable that has a USB. It is compact design makes the external battery charger fit into any pocket perfectly, suitable for a wide range of occasions. It is compatible with cellphone, ipod, ipad, iphone, Samsung, Blackberry, PSP, Bluetooth Speaker and Other Smartphones and Tablets.