Adventure knows no limits, and neither should your power. The Sherpa 100 Power Pack represents the latest in efficient battery technology wrapped into a portable, lightweight package. Designed to power all the gear in your kit, the Sherpa 100"s versatile array of ports include ultra-fast, smart USBs for phones and tablets, a 12 Volt port for lights, an innovative port specifically for laptops, and an optional detachable AC inverter for DSLR cameras. The Sherpa 100 recharges from the wall or car - and combined with Goal Zero"s portable line of solar panels, it recharges from the power of the sun. Engineered to be the only power supply you will ever need, the versatile Sherpa 100 combines the latest in battery technology with an intelligent charging system, all in an easy-to-use, lightweight package. Advanced lithium ion cells deliver more power with less bulk and ensure you will have enough juice for all the gear in your kit - phones, laptops, tablets, cameras, lights, and more. The Sherpa 100 also features an LCD battery display so you always know how much power you have left in the tank. Charging your gear should be as easy as plugging in. Built with an intelligent charging system, the Sherpa 100 identifies what you plug in and delivers the quickest, most efficient charge to your gear without overheating or over charging. The dual USB ports are capable of delivering up to 2.1 Amp power at the same time, allowing you to quickly and simultaneously charge multiple devices at once. And for those times when you are stuck in coach without an outlet, the Sherpa 100 is the biggest form of stored power you can bring onto the plane, so you can pass the time without draining your battery. Whether you are at home or on the go, the Sherpa 100 can recharge anywhere. From the wall, the Sherpa 100 charges in about 3 hours; from a car in about 4 hours. If you are on the go, pick up one of Goal Zero"s foldable solar panels and charge the Sherpa 100 from the power of the sun.