iPhone 4/4S Plug-In Battery (2500 mAh)
Our Plug-In rechargeable battery gives you about 12 extra hours of talk time, 11 more hours of internet use, 17 more hours of video or 66 more hours of music playback! So the potent, 2500 mAh capacity battery provides more than double the battery life! Compact size slips into any briefcase, pocket or purse and plugs directly into your phone, so you can leave your charging cable at home. High-speed 1-amp output charges smartphones twice as fast as typical USB batteries. Protective cover keeps charging connector safe.