EcoFlow DELTA 3 Max Plus Portable Power StationEcoFlow DELTA 3 Max Plus Portable Power Station The EcoFlow DELTA 3 Max Plus is a portable power station that ensures the safety and continuity of essential equipment in almost any situation. It offers a power output of up to 3,000 watts (with a peak output of 6,000 watts) and a capacity of 2 kWh, which you can expand up to 10 kWh with additional batteries. It also comes with an intelligent power management system, several charging methods and a UPS