iPhone 6/6s Battery Case, BAIDATONG Ultra Slim Extended Battery Case for iPhone 6/6s (4.7 inch) with 3800mAh Capacity/120% Extra Battery (Local gold) Impact-resistant case-and-battery in one for smart phone phone Integrated power switch allows you to put the battery case in standby mode, built in short circuit, Use a breakthrough rechargeable lithium polymer battery, much safer than lithium-ion battery State-of-the art battery technology extends the life of your smart phone for hours 4 LED lights indicate the charging mode and current battery life Battery Capacity: 3800mAh / 3.7V Intput: 5V/1A Output: 5V/1A Charging Time: 3-5 hours Life Cycles Product size (mm): 148.8 * 69.8* 13 mm Product Weight : 89g Package: 1 x iPhone 6 Battery Case 1 x User Manual It allows you to charge and sync your phone while refilling your battery at the same time. Installation is easy, simply take off the top cover of the battery case and slide your phone into the case. Press the ON/OFF button near the LED light to activate or stop the