Can the EcoFlow DELTA 3 Max run a sump pump?

The three checks

1/2 HP sump pump on its own, with nothing else plugged in, against the published ratings of the EcoFlow DELTA 3 Max.

1/2 HP sump pump on the EcoFlow DELTA 3 Max: power checks
Check	Needs	Station has	Result
Running watts against continuous output	925 W	2,400 W	Passes
Starting watts against surge rating	1,725 W	4,800 W	Passes
A full day at 2 h a day	1,850 Wh	1,741 Wh usable	Fails

How long it runs across models

The appliance class spans a range of models. Running time on a full charge at the low, typical and high figure in the data:

1/2 HP sump pump on the EcoFlow DELTA 3 Max, low to high
Case	Running watts	Running time
Low end of the class	800 W	2.2 h
Typical	925 W	1.9 h
High end of the class	1,050 W	1.7 h

Watts vary by model and age. Check the label on your own appliance and enter it for an exact answer.

Keeping up on solar

At 4 peak sun hours, counting 75% of the panel rating: 200 W of panels bring in about 600 Wh a day, 32% of the 1,850 Wh it uses at 2 h a day. 500 W of panels bring in about 1,500 Wh a day, 81% of the 1,850 Wh it uses at 2 h a day.

Other options

The smallest EcoFlow model in the data that is enough for a full day of a 1/2 HP sump pump is the EcoFlow DELTA 3 Ultra (3,072 Wh). The nearest capacities from any brand:

The smallest EcoFlow model that is enough, then the stations closest in capacity to the EcoFlow DELTA 3 Max, with a 1/2 HP sump pump
Power station	Capacity	Verdict	Running time
EcoFlow DELTA 3 Ultra	3,072 Wh	Enough	2.8 h
Anker SOLIX C2000 Gen 2	2,048 Wh	Runs it, but not long enough	1.9 h
EcoFlow DELTA 3 Max Plus	2,048 Wh	Runs it, but not long enough	1.9 h
DJI Power 2000	2,048 Wh	Runs it, but not long enough	1.9 h

The EcoFlow DELTA 3 Max

Everything the EcoFlow DELTA 3 Max runs, its recharge times and full specifications

EcoFlow's page for the DELTA 3 Max (opens in a new tab)

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