- Meet the offGRID Backup Battery Case. Promising to double the battery life of your iPhone 4, the offGRID is a portable power and case solution all in one. Weighing in at just two ounces and a thickness of only 6mm, the offGRID combines elegant design with usability, producing one super smart, slim, and protective case.
The interior of the offGRID conceals an ultra thin rechargeable battery with an Apple Dock Connector plug, allowing you to charge your iPhone 4 while maintaining low-profile protection. Take this backup battery on the go for the most portable and innovative charging solution yet!
Doubling users' talk, text, game-time and FaceTime, the offGRID's charge will keep you and your iPhone 4 going long past its standard charge. Touch and hold the power/status button for two seconds to turn on the battery and unleash up to 1450mAh of charging capacity, supporting your iPhone 4 through even the most critical of moments.
Charging the offGRID is extremely easy. Plug in the included micro-USB cord to store the power, unplug at full charge, and prepare for long life. offGRID's battery life is indicated by glowing blue lights on the front of the case, so you'll be sure to know exactly how much backup time you have.