Kanex GoPower Fast Charge Portable Battery Pack for Smartphones, Tablets, & Portable Electronics (6000mAh)-White Able to recharge any USB powered device on the go Smart power management reduces overheating; Button-less auto-charging design for improved usability Use your favorite mobile device on the go with the extraportable GoPower 6,000 mAh. Whether youre walking, riding a bike or hiking with friends, the GoPower 6,000 can charge and extend your smartphones talk time Charge your phone and look good doing it. GoPower Packs sleek design features an innovative slide-out stand that props up your phone so you can watch a movie while charging. LED indicators let you know the power level of your GoPower Pack. To recharge the GoPower Pack, just plug an included micro USB cable into the GoPower Pack then to a USB power source The 6,000 mAh model comes in an ultra-compact, ergonomic design that offers great value and is easy to transport Compatibility 1.0A port: Most mobile devices with 1.0A input voltage, such as smart phones and devices with smaller battery capacity. 2.1A port: Most mobile devices with 2.1A input voltage, such as tablets and devices with larger battery capacity