7800mAh External Battery Pack Dual USB ports and Charger for iPad2, iPad, iPhone 4S 4 3Gs 3G, iPod Touch (1G 2G 3G 4G 5G), Motorola Droid, HTC Android Phone, Blackberry, Samsung Galaxy Tab 10.1, HTC flyer, and much more simple, delicate, easy to carry, high capacity with 7800mAh low self-consumption, less than 50uA avaiable for avaiable for Apple products and all other smart phones Dual USB port design supports 2 devices simultaneously charging brand name LED indicators, power your digital life