JOBY PowerBand 3500mAh Portable Battery Pack (Android)

The PowerBand 3500mAh Portable Battery Pack from Joby attaches to the back of your phone and provides you with a slim and portable charging solution. Its stretchable silicone band ensures compatibility with almost all phones, large or small, and its short built-in charging cable eliminates any dangling or loose cords. The 3500mAh capacity is enough to recharge a phone once or twice and you may have to remove your case depending on the device. When it needs to recharge, connect it to a computer or a wall charger using the included micro-USB cable.