Maxway&reg; Portable Cell Phone Battery Charger 4000mah with USB Wall Adaptor for Apple iPhone 6S, 6, 5S, 5, 5C, 4S, 4, Android Smart Phones and Other USB Digital Devices (White, Super Slim) Using the most reliable and premium quality lithium polymer battery cell with 4000 mAh real capacity Fully optimized for iPhones and Android smart phones with high conversion efficiency to charge the iPhone 4S 2.5 times Ultra slim, compact and lightweight design makes it perfectly portable and convenient to carry even in a pocket, this battery pack is an ideal companion for iPhone and other usb-powered mobile phones Guaranteed reliability and safety by multiple-protection: over-discharge protection, overcharge protection, over voltage protection, overcurrent protection, overload protection, short circuit protection, and overheat protection Contents of Package: ) Maxway Portable Charger*1; ) Maxway Wall Charger*1; ) USB Cable*1; ) Connector*2; ) Velvet Pouch*1