Portable Charger 20000mAh Power Bank, 4 USB Ports, Most Compact External Battery Pack, Fast Charging Portable Charger for Android iPhone Samsung HTC and More, Color Blue and Black HIGH CAPACITY: through 4 USB ports allowing for simultaneous charging of 4 devices such as your Kindle, Apple, Android or Windows Smart Phone, Tablet device and more at high speed, recharging an: iPhone 5s (9.1 times), iPhone 6 (7.4 times), iPhone 6 Plus (4.6 times) and Samsung Galaxy S5 (4.8 times). FAST CHARGING: powerbank recharges in 6 hours with a 2 amp adapter (not included), using the included Micro USB cable, reducing the recharging time by up to 50% than usual 20000mAh battery. COMPACT: fits into a briefcase, backpack, or carry-on. Similar to the size and feel of a smartphone, the Portable Charger is unobtrusive, lightweight and compact. This unit is lighter than other 20000mah batteries weighing in at 11.5 ounces. SAFETY PROTECTION: Effectively prevents your devices from overcurrent and short circuits as well as conform to CE and FCC. SPECIFICATION includes, Capacity: 20000mAh, Input: 5V/1A(Max), Output: Output 1 & 2: 5V/2.1A, Output 3 & 4: 5V/1A and Size: approx.77*151*22.3mm. Great Charging Hub. 100% Money Back Guarantee.