Griffin PowerDuo Reserve iPhone/iPod
The industry’s most trusted AC and 12 volt chargers PowerBlock is EnergyStar Qualified to use less energy, save money, and help protect the environment. Charges iPhone, iPod, MP3 players, other USB-chargeable devices Removable backup battery provides hours of additional use for iPhone and iPod Battery is interchangeable between PowerJolt Reserve and PowerBlock Reserve chargers (chargers and battery packs are also sold separately)