HIGH CAPACITY - Smart Dual USB output (5V/1A and 5V/2.1A) can charge your smartphone and tablet at the same time. The power conversion rate can reach up to 85%. 10000mAh capacity can charge your iPhone 6s 4.9 times, Samsung Galaxy S7 Edge 2.3 times or an iPad Mini 1.4 times before you need to recharge the power bank;