Energizer AP1201 Rechargeable Silicone Case

The Energizer AP1201 Rechargeable Silicone Case (Black) has a built-in battery for an Apple iPhone 4. The lightweight, low profile, flexible form-fitting silicone rubber case is extra thin and easy to handle. The case is a 1-piece, durable, non slip and finger print resistant. It is a permanent power source that extends the life of the iPhone providing twice the power. The power source can provide a high-speed charge directly to the iPhone or it can simultaneously, pass-through charge to iPhone and case. There is a battery check that has smart LEDS to monitor the power status.