Lumsing Portable Battery Combo (3 Grand Series A1 Plus 13400mah External Power Banks) for iPhones, iPads and Samsung Galaxy, Android Phones and other Smart Phones SMART & FAST 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 per port or 3 amps overall) for optimum, high-speed charging. HIGH CAPACITY BATTERY PACK: With a high-capacity of 13,400mAh, it can charge an iPhone 6 Plus six times, a Galaxy S6 more than three times, and an iPad Air more than once. Ideal for long travel and business trips. POWERFUL & SOLID BUILD: The LG Grade-A cells ensure reliability and safety. Two layers of internal structure protect the batteries from damage due to being hit, dropped or crushed. SMOOTH & STURDY MECHANICAL DESIGN: Assembled with a highly-polished aluminum case with no rough edges. To activate the LED flashlight, hold the power button for 3 seconds. WHAT YOU GET:3 Grand Series A1 Plus 13400mah External Power Banks(Black,White,Gold),our worry-free 18-month warranty and friendly customer service