The Boostcase selection of durable, ergonomic, non-slip, lightweight and slim-fitting cases has been designed for compatibility with the iPhone 4, 4S and the iPhone 5.
An innovative concept for today's modern world, the Boostcase detachable battery sleeve works to double the battery life of your iPhone allowing for more time between charges.
The Boostcase battery sleeve is slim, easy to use and slides onto your iPhone, with no wires or separate battery pack. Available in numerous classic and stylish colors, Boostcase has the color for any preference combined with a battery solution for anyone who has been frustrated with the often too-short iPhone standard battery life. Boostcase is where fashion meets function!