Never panic when your devices get to 1% again when you have the 3-Port External Battery Pack by RAVPower. This potent and vital tool has 26,800 mAh of energy to power all of your devices. There’s enough power in this pack to fully charge an iPhone 6 ten times and, with three USB ports, it’s suitable for smartphones, cameras, tablets, GPS units, and more. The three ports can be used for charging simultaneously. Taking advantage of iSmart Technology, the 3-Port External Battery Pack can cleverly detect which devices are charging and will select the optimum current for each for the most efficient charge. There is also an auto shut off feature in the even of a short to protect your devices.