Meet The Tank The PowerPak Xtreme acts like a tank without feeling like one. Weighing in at just 9 ounces, it"s a heavy-hitter with 12,000 mAh of charge capacity and dual USB ports that can keep your devices up and running 24/7. Drop Resistant and Water Proof The PowerPak Xtreme is designed to endure extreme conditions and environments. Sporting a sealed case the Powerpak Xtreme can be submerged in 3 feet of water for an hour! With its thick, thermoplastic casing, this device can adeptly handle impact and drops of up to one meter. Built For The Rugged Designed by the adventurer, for the adventurer. The PowerPak Xtreme can accompany you to high altitudes, fight off bad weather, and remain unscathed after staying clipped to the outside of your backpack all day long.Compatibility. Powerpak Xtreme is compatible with most Apple, Android and Windows Smartphone"s and 5V Tablet, goPro, GPS, portable game consoles, etc... * For Apple devices, please use the original Apple Lightning or 30-pin cables. **Some phone/tablet/devices may require a special converter cable to be compatibleBattery Specifications. Input: 5V@1.5A Outputs: 5V@2.1A and 5V@1A Dimensions: 5.2 x 2.8 x 1.2 inchesRecommendation. For optimal charging we suggest charging the battery from a high speed USB wall adapter or charger (Not Included) - New Trent"s USB wall charger - New Trent"s Car charger. Be sure to find the official New Trent logo to ensure a 10 month warranty.