iBattz has released a series of rechargeable cases for the iPhone 5.
The Mojo Refuel battery case is equipped with two interchangable i9300 Li-ion battery packs, each with a capacity of 2500 mAh.
Seidio says the Mojo Refuel case can recharge your iPhone 5 up to three times.
The Mojo Refuel will be launched in February and will be available for $89.90.
Another case, the waterproof AquaSeal Hi5, with a detachable 2500mAh battery, is in the works.