The portable goal zero sherpa 50 power pack offers a versatile, go-anywhere power source that charges usb-, 12v- and ac-compatible devices, including laptops, tablets, e-readers and smartphones.
- 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 times
- simply 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 source
- output ports include usb, 12-volt auto and 12-volt sidecar optional ac inverter sold separately
- lcd status monitor tracks remaining power level in 20% increments integrated charge controller helps protect the internal battery and connected devices from electrical spikes
- the goal zero sherpa 50 power pack stores 50 watt-hours of power