power shortage occasions especially in case you are stuck in hurricanes, flood, Tornadoes or anywhere no power, etc With it compact design, you can take it around for travel or just at home.This portable power station 500Wh can charge your devices that operate at less than 300W, such as smartphones, laptops, TVs, lamps, drones, CPAP machine, mini fridges and more small appliances.In addition 24 hours a local office in the United States, ready to solve any problems for you.