Energizer AP1500 Protective Case with Built-in Battery for iPhone

Energizer AP1500 is protective case with a built-in battery doubles the life of the iPhone 3G. Energizer rates the AP1500 to deliver an extra 10.6 days of standby, 20 hours of music playback, 6 hours of video, and 4 hours of Web-surfing and talk. It took 1 hour and 57 minutes to fully charge the AP150. Stocked with a 1,200mAh battery, the AP1500 charges via a standard mini-USB port. Price, newegg offers Energizer Protective Case with Built-in Battery for iPhone AP1500 for $39.99