Portable charger external battery power bank is perfect combination of power and portability. Enough power to keep you going for days. Charge an iPhone 6 almost four times, an iPhone 6 Plus or Galaxy S6 two and a half times or an iPad Air once. Exclusive to Anker, PowerIQ and VoltageBoost combine to ensure the fastest possible charge speed up to 3 amps. Simultaneously charge an iPad and an iPhone at full speed! Surge protection, short circuit protection and more advanced safety features keep you and your devices safe. Capacity: 10400 mAh / 38.48 Wh; Output: 5 V / 3 A; Input: 5 V / 2 A; Weight: 8.5oz / 240g; Size: 3.8 x 3.1 x 0.9in / 97 x 80 x 22 mm, Colour: Black