In-depth review
What it's like to own
The DELTA 3 Max is EcoFlow's mid-size home backup: 2,048 Wh and 2,400 W, with X-Boost running resistive loads like kettles and heaters up to 3,400 W. That's enough for a fridge, microwave and lights at the same time.
It charges to 80% in about 68 minutes and switches to battery in under 10 ms. EcoFlow doesn't list the solar input on the US listing (its EU spec sheet gives 500 W), and the standard Max isn't expandable — that's the Max Plus.
Owners praise fast charging and long runtime; several bought it for family in Cuba to cope with frequent blackouts.



