Energizer introduces the AP1201, a rechargeable battery case for iPhone 4. The AP1201 offers almost twice of the power of the iPhone, while protects your iPhone. It features “smart” battery technology that auto senses the iPhone 4 battery power status which is indicated through hidden LED’ on the back of the case.
The Energizer AP1201 is a one-piece, durable, lightweight silicone rubber case. It is rechargeable up to 500x and comes with a USB charging cable. The price is $69.99.