Zeox Samsung Galaxy S3 Rechargeable External Backup Battery Case 3200 mAh Power Built in Battery With Media Kick Stand For Samsung Galaxy S3 i9300 - Flip White (More Juice To Boost S3 Power) More Juice to Boost Samsung Galaxy S3 i9300 power and battery life with Zeox external backup battery case with improved design and battery life cycle. The built in battery provides the extra power Gakaxy S3 needs to stay charged while traveling, in business meetings, watching movies, and playing games. The Zeox backup battery power case is certified by FCC, CE, RoHS to ensure its quality and safety meet or exceed the strict standards required for all power and consumer electronic products. The Zeox Battery Power case is equipped with Built in battery that has passed ageing test and is expected to have a lifespan of more than 500 full cycles. You may now charge the battery pack by USB cable with the case installed on Galaxy S3 without having to uninstall it. Featuring a fully protective hardshell case with the minimum added bulk. Enjoy the comprehensive protection while still maintain the slim form factor of your Galaxy S3/Samsung Galaxy i9300. Featuring a MicroUSB input port and lightning output port. Your Galaxy S3/Samsung Galaxy i9300 can be charged while encased via the included MicroUSB cable. Featuring a smart IC board has an integrated microchip to prevent overcharging and 3R3 power inductor to avoid overheating. The tough polycarbonate frame protects Galaxy S3 i9300 from drops and unwanted scratches, while the professional soft re-engendered outer surface layer absorbs shocks. The Zeox Samsung Galaxy S3 Battery Case also has the following functions built-in: charging switch, LED battery level indicator, charge through the case, headphone jack cutout, function button cutouts and hands-free kickstand. Please charge the backup battery case for 8 hours before first use and make sure to follow instructions provided with the item. Zeox(TM) is registered trademark of Zeox INC.. More items available, click Zeox above.