The three checks

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

1/2 HP sump pump on the EcoFlow DELTA Pro Ultra: power checks
CheckNeedsStation hasResult
Running watts against continuous output925 W7,200 WPasses
Starting watts against surge rating1,725 W10,800 WPasses
A full day at 2 h a day1,850 Wh5,222 Wh usablePasses

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 Pro Ultra, low to high
CaseRunning wattsRunning time
Low end of the class800 W6.5 h
Typical925 W5.6 h
High end of the class1,050 W5.0 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. 5,600 W of panels bring in about 16,800 Wh a day, more than the 1,850 Wh it uses at 2 h a day, so the station keeps up.

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 Pro Ultra, with a 1/2 HP sump pump
Power stationCapacityVerdictRunning time
EcoFlow DELTA 3 Ultra3,072 WhEnough2.8 h
EcoFlow DELTA Pro 34,096 WhEnough3.8 h
OUPES Guardian 6000 V24,608 WhEnough4.2 h
Jackery Explorer 5000 Plus5,040 WhEnough4.6 h

The EcoFlow DELTA Pro Ultra

Everything the EcoFlow DELTA Pro Ultra runs, its recharge times and full specifications

EcoFlow's page for the DELTA Pro Ultra (opens in a new tab)

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