EcoFlow DELTA 3 Portable Power Station for Home Backup Power, Camping and RVsEnjoy the comforts of home when camping, or provide backup power at home with the DELTA 3 Portable Power Station from EcoFlow. This power station has a 1024Wh capacity that can be expanded up to 5kWh with optional EcoFlow batteries. With six AC outlets, four USB ports, two DC outputs, and a car power port, you can power a wide range of electronics and mobile devices. At home, you can use the DELTA 3 as a UPS; sub 10ms switchover during a power outage