The Portable Power Supply (54K) is the first truly portable AC power bank that allows you to power anything, anywhere. Laptops, lights, phones, tablets, televisions, radios, speakers, and more. Compatible with any device that requires 250 watts or less through a standard wall plug (provides two AC wall outlets). Compatible with all USB devices. This unit is perfect for any type of situation like camping, road trips, and remote working where you wouldn’t have access to an AC outlet. It’s large 54,000 mAh battery capacity allows you to charge more, larger devices for longer. Every emergency and disaster kit should include a Portable Power Supply to provide power when it is needed most.