Product Specification:-Capacity 10400 mAh / 38.48 wh-Output 5V / 3A-Input 5V / 2A-Weight 8.5oz / 240g-Size 3.8 x 3.1 x 0.9in / 97 x 80 x 22mm-High CapacityEnough power to keep you going for days. Charge an iPhone 6 four times, an iPhone 6 Plus or Galaxy S6 two and a half times or an iPad Air once

Product Specification:-Capacity 10400 mAh / 38.48 wh-Output 5V / 3A-Input 5V / 2A-Weight 8.5oz / 240g-Size 3.8 x 3.1 x 0.9in / 97 x 80 x 22mm-High CapacityEnough power to keep you going for days. Charge an iPhone 6 four times, an iPhone 6 Plus or Galaxy S6 two and a half times or an iPad Air once-Fast Charging TechnologyExclusive 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!-MultiProtect Safety SystemSurge protection, short circuit protection and more advanced safety features keep you and your devices safe.-For Optimal Use:Use the included cable, your original cable or a third-party certified one (such as MFi).Compatible with the new 12 inch MacBook, 2015 (USB-C cable needed), Apple and Android smartphones, tablets (including the Nexus 7) and other USB-charged devices except for the iPod nano, iPod Classic, HP TouchPad, Dell Venue 11 Pro, Asus tablets and some GPS and Bluetooth devices.