Lenmar Battery Powered Case for iPhone 3G/3Gs The perfect iPhone power partner. The iBatteryCase for 3G and 3Gs completely protects the iPhone. More importantly it fully charges the phone with a single switch. No connectors, no cables to choose for your phone when you are out and about. Cover design provide complete protection for the iPhone top, bottom sides and corners. 2 pieces securely latch resulting in easy in and out of pocket without disassembly. Syncs your iphone to iTunes without removing the Battery Case. Built in fill light beam for camera use in low light conditions. Up to 4 hours talk time and internet use in 3G Network (8 hour talk time in 2G Network). Up to 240 hours standby time and 5 hours of playback time. 3 LED charge status indicator. Lithium Polymer