Lumsing Harmonica Series Portable Battery Charger 16000mAh Dual-USB 2-Port External Power Bank for iPhone SmartPhones,Tablets(Black) POWERFUL BATTERY PACK: Original LG Li-ion battery cell and premium microchips ensure reliability and 500+ recharge cycles over the life of the battery. FAST & SMART BATTERY CHARGER: Our Fast Charge Technology delivers the fastest possible charge, up to 3.0 amps overall. Our Smart Charging Controller enables intelligent charging without checking the current mode. ULTRA HIGH CAPACITY & COMPATIBILITY: The super high-capacity (16,000mAh) of this smart dual-port charger can charge an iPhone 6 seven times, a 6 Plus or Galaxy S6 five times, and an iPad Air more than once. PORTABLE COMPACT EXTERNAL BATTERY: With its compact dimension of 5.4 x 2.3 x 0.8 inches, this battery charger easily fits into your bag for business trips and long travel. UNIQUE & SLEEK DESIGN: The harmonica-like power bank has a sleek surface treatment on its body, and brushed silver on the edge, giving you an exclusive visual and touch experience.