Lumsing Ultrathin Portable Charger 10000mAh External Battery Charger for Smartphones Tablet(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 3.2 amps) through Three USB output for optimum, high-speed charging. 10000MAH HIGH CAPACITY POWER BANK: With a rechargeable battery power high-capacity of 10000mAh, it can charge an iPhone 6 four times, a Galaxy S6 two and a half times, and an iPad Air 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. WARRANTY: CE FCC Certified and 12-month warranty.