Designed by MOPHIE Juice Pack, it is the first Apple certified rechargeable lithium polymer battery in the form of a non-slip, soft grip case which will extend the use of user’s 1st Gen Iphone time. We’ve looked at some other battery boosting gadgets, and this is by far the most sleek in design.

Standby Time – Up to 250 hours
Audio Playback – Up to 24 hours
Talk Time – Up to 8 hours
Video Playback – Up to 7 hours
Internet Use – Up to 6 hours