Lumsing 8000mAh Power Bank 2 Port USB Portable Charger Battery Pack for iPhone, Android (Black) Smart External Battery Charger: Lumsing Smart Charging Technology maintains constant communication between the charger and the device, and delivers the most suitable current (up to 2.4 amps) through the 2 USB output for optimum, high-speed charging. Powerful Portable Charger: With a rechargeable battery power capacity of 8000mAh, it can charge an iPhone 6 three times, a Galaxy S6 twice, and an iPad Air 2 once. High Quality & Safety: The Industry Grade-A Li-Polymer cells ensure reliability and safety. The internal double-layer structure and external sturdy resin case protect the battery charger from damage due to being hit, dropped or crushed. Sleek & Compact Design: Assembled with a matt (PC+ABS) case with no rough edges. The portable-size external battery pack easily fit into most bags. Ideal for long travel and business trips. What You Get: One Lumsing 8000mAh Li-Polymer Power Bank, one USB Cable & one User Guide. CE FCC Certified, 12-month warranty and our friendly customer service.