FREMO X300 is the industry leading flagship portable power station delivering ultimate performance. Equipped with a capacity of 276Wh, the FREMO X300 portable power station can meet most of your charging needs for daily use and outdoor adventures. With 9 output ports and its lightweight design of only 8 lbs, you can keep all your gear powered wherever you go.. | Fremo | | X300 276 Watt Battery Powered Portable Generator (276 Wh Capacity | Gray | Best Buy