Can a Power Station Run a Sump Pump?

By Hicham M. · Updated October 11, 2026 · How we calculate

Yes, if the station can survive the start. A 1/2 HP pump runs at about 1,050 W, but every time the float switch trips it pulls roughly 2,150 W for an instant. A 1/3 HP pump is easier, at about 1,300 W to start.

Runtime depends on how hard it’s raining. We assume the pump runs 20% of the time, about 210 W on average, which gives about 4 hours on a 1,000 Wh station and 8.1 hours on 2,000 Wh. In a downpour it can run far more.

Running1,050 Wtypical range 800–1,050 W
Starting (surge)2,150 Wfor a split second
Average210 Wincluding on/off cycling
Per day5 kWhat 24 h/day

Runtime by power station

Nonstop runtime for one sump pump at 210 W average, with 85% inverter efficiency. Models that can't supply its running or starting power are listed separately below.

How long each power station runs a sump pump: longest 10
Power stationBatteryRuntimeBar
Jackery Explorer 5000 Plus5,040 Wh20 hours
EcoFlow DELTA Pro 34,096 Wh17 hours
Goal Zero Yeti PRO 40003,994 Wh16 hours
Anker SOLIX F38003,840 Wh16 hours
Anker SOLIX F3800 Plus3,840 Wh16 hours
EcoFlow DELTA Pro Older3,600 Wh15 hours
Anker SOLIX F30003,072 Wh12 hours
BLUETTI Elite 3003,014 Wh12 hours
BLUETTI Apex 3002,765 Wh11 hours
BLUETTI Elite 200 V22,074 Wh8.4 hours
Show the other 28 models that can run it
How long each power station runs a sump pump: the rest
Power stationBatteryRuntimeBar
EcoFlow DELTA 3 Max2,048 Wh8.3 hours
EcoFlow DELTA 3 Max Plus2,048 Wh8.3 hours
EcoFlow DELTA 2 Max Older2,048 Wh8.3 hours
BLUETTI AC200L2,048 Wh8.3 hours
BLUETTI AC200MAX Older2,048 Wh8.3 hours
Anker SOLIX C2000 Gen 22,048 Wh8.3 hours
Anker SOLIX F2000 (767) Older2,048 Wh8.3 hours
DJI Power 20002,048 Wh8.3 hours
Jackery Explorer 2000 v22,042 Wh8.3 hours
Jackery Explorer 2000 Plus Older2,042 Wh8.3 hours
BLUETTI AC200P Older2,000 Wh8.1 hours
Jackery Explorer 1500 v21,536 Wh6.2 hours
Jackery Explorer 1500 Ultra1,536 Wh6.2 hours
Goal Zero Yeti 1500X Older1,516 Wh6.1 hours
Goal Zero Yeti 15001,505 Wh6.1 hours
Jackery Explorer 1000 Plus1,264 Wh5.1 hours
Anker SOLIX F1200 (757) Older May not start it: surge not published1,229 Wh5 hours
BLUETTI AC1801,152 Wh4.7 hours
Jackery Explorer 1000 v21,070 Wh4.3 hours
Anker SOLIX C10001,056 Wh4.3 hours
EcoFlow DELTA 31,024 Wh4.1 hours
EcoFlow DELTA 3 Plus1,024 Wh4.1 hours
EcoFlow DELTA 2 Older1,024 Wh4.1 hours
BLUETTI Elite 100 V2 May not start it: surge not published1,024 Wh4.1 hours
Anker SOLIX C1000 Gen 21,024 Wh4.1 hours
DJI Power 10001,024 Wh4.1 hours
Goal Zero Yeti 1000998 Wh4 hours
Anker SOLIX C800 Plus May not start it: surge not published768 Wh3.1 hours

Models that can't run it

Power stationOutputSurgeWhy
Jackery Explorer 1000 Pro1,000 W2,000 WNot enough output
Jackery Explorer 10001,000 W2,000 WNot enough output
EcoFlow RIVER 2 Pro800 W1,600 WNot enough output
BLUETTI EB70S800 W1,400 WNot enough output
Goal Zero Yeti 700600 W1,000 WNot enough output
Jackery Explorer 500500 W1,000 WNot enough output
EcoFlow RIVER 2 Max500 W1,000 WNot enough output
DJI Power 5001,000 W—Not enough output
Jackery Explorer 300300 W500 WNot enough output
Jackery Explorer 300 v2300 W600 WNot enough output
Anker SOLIX C300300 W600 WNot enough output
EcoFlow RIVER 3 Plus600 W1,200 WNot enough output
BLUETTI EB3A600 W1,200 WNot enough output
Jackery Explorer 240 v2300 W600 WNot enough output
EcoFlow RIVER 3300 W600 WNot enough output
Jackery Explorer 240200 W400 WNot enough output

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What popular pumps actually draw

The amps are on the pump’s label and spec sheet. Multiply by 115 V for a rough upper bound on running watts.

Sump pump amp ratings
PumpHorsepowerAmps at 115 VRoughly
Zoeller M531/3 HP (0.3)9.7 Aup to 1,100 W
Wayne CDU7901/3 HP9.5 Aup to 1,100 W
Zoeller M981/2 HP9.4 Aup to 1,080 W
Wayne CDU8001/2 HP10 Aup to 1,150 W

Pumps like these come with a plug for an ordinary grounded 120 V outlet (Zoeller’s sheet lists a 3-wire cord plug; Wayne specifies a grounded GFCI outlet), so you can plug the pump straight into the power station. No transfer switch or electrician needed.

Power station or a battery backup pump?

A 2008 FEMA guide calls a battery backup pump “an inexpensive safeguard against basement flooding”. These are separate 12 V pumps that sit in the pit beside your main pump. They pump less: Zoeller says its Aquanot Fit 508 runs about 5.5 hours of continuous pumping on a fully charged deep-cycle battery (175-minute reserve capacity), and Wayne rates its ESP25 at 1,680 gallons an hour at a 10-foot lift.

A power station runs your main pump at full strength and does other jobs too, but it needs enough surge, and someone has to plug it in. A dedicated backup switches on by itself. If the basement floods while you’re away, that difference matters most.

Before the next storm

Questions

What size power station do I need for a sump pump?
For a 1/2 HP pump, look for at least 2,200 W of surge and 1,200 W of continuous output. Battery size depends on how often it runs: at 20% of the time it uses about 5 kWh a day, so a 2,000 Wh station covers roughly 8 hours.
Why does my power station shut off when the sump pump starts?
The motor’s startup surge is above the station’s surge rating. Try a model with a higher surge rating, or a smaller pump.
Is a battery backup sump pump better than a power station?
For protection while you’re away, yes: it switches on by itself. A power station pumps more water and can run other things, but it has to be connected and able to start the pump.

Related

Sources

Wattage figures are typical values from the sources below. Your appliance may differ, so check its label or measure it with a plug-in watt meter.

  1. powerequipment.honda.com/generators/generator-wattage-estimation-guide
  2. championpowerequipment.com/generator-wattage-chart
  3. s3.amazonaws.com/s3.supplyhouse.com/product_files/Zoeller - 53-0016 - Pro…
  4. cooneybrothers.com/userfiles/ad/documents/Zoeller_98_0001_Catalog.pdf
  5. images.homedepot-static.com/catalog/pdfImages/2f/2f346848-501e-49c7-abd8-0d652672283…
  6. zoellerpumps.com/wp-content/uploads/sites/3/2024/02/fm3124.pdf
  7. waynepumps.com/product/esp25
  8. data.wvgis.wvu.edu/pub/RA/HL/MIT/Docs/FEMA/FEMA_Mitigation-Basement-Floodin…