Sherpa 50 Power Pack

Discover the unmatched quality of Goal Zero’s Sherpa 50 Power Pack. Fully charged, the Sherpa 50 can double the battery life of a laptop or tablet, and can extend the battery life of an e-reader by 5 times and a smartphone by 7 timesSimply charge the power pack up from a wall, solar panel (sold separately), computer or car adapter and bring it along anywhere you go that lacks a power sourceOutput ports include USB, 12-volt auto and 12-volt sidecar; optional AC inverter sold separatelyLCD status monitor tracks remaining power level in 20% increments; integrated charge controller helps protect the internal battery and connected devices from electrical spikesThe Goal Zero Sherpa 50 power pack stores 50 watt-hours of power; it will hold a full charge for up to 8 months.