How Long Will the EcoFlow River 2 Pro Run a Dehumidifier?

Updated 2026-10-17 · Yes

About 2.2 hours. The EcoFlow River 2 Pro stores 768Wh, and a dehumidifier averages about 300W because it cycles on roughly 60% of the time. That covers about 18% of a typical 12-hour day.

The numbers

Battery capacity768Wh (LFP)
Usable energy653Wh (85% via AC outlets)
Continuous AC output800W
Surge rating1600W
Dehumidifier running watts500W
Startup watts1000W
Average draw300W
Estimated runtime2.2 hours
Energy per day of typical use3.6 kWh

768Wh × 0.85 = 653Wh usable ÷ 300W average = 2.2 hours

Station specs: source, checked 2026-10-17. See how we calculate runtime.

Adjust the numbers

Check the label on your dehumidifier and enter its real wattage.

Recharging with solar

The EcoFlow River 2 Pro accepts up to 220W of solar input. In real conditions that harvests about 825Wh on a sunny day (5 peak-sun hours), or about 750Wh with one 200W panel.

Solar can’t fully keep up. A dehumidifier uses about 3.6 kWh a day at 12 hours of use, more than the EcoFlow River 2 Pro’s best-case solar harvest. Solar will stretch the runtime but not sustain it.

Tips

  • A 50-pint dehumidifier draws about 500W while its compressor runs.
  • You’ll still have about 300W of AC capacity left for other devices at the same time, though they’ll share the same battery.
  • The EcoFlow River 2 Pro uses LiFePO4 (LFP) cells, rated for thousands of cycles, so running it down daily won’t wear it out quickly.

Other power stations running a dehumidifier

Power stationCapacityOutputRuntimeVerdict
Jackery Explorer 500518Wh500W1.5 hoursYes
Anker SOLIX C800 Plus768Wh1200W2.2 hoursYes
Bluetti AC70768Wh1000W2.2 hoursYes
Jackery Explorer 10001002Wh1000W2.8 hoursYes
EcoFlow Delta 21024Wh1800W2.9 hoursYes
DJI Power 10001024Wh2200W2.9 hoursYes
Anker SOLIX C10001056Wh1800W3 hoursYes
Jackery Explorer 1000 v21070Wh1500W3 hoursYes

Compare all power stations for a dehumidifier →

FAQ

Will the EcoFlow River 2 Pro run a dehumidifier overnight?

No. At about 300W average it runs out after 2.2 hours. For a full night you need at least 2900Wh of capacity.

How long does the EcoFlow River 2 Pro take to recharge with solar?

With its maximum 220W of solar input it refills in about 4.7 hours of strong sun. With a single 200W panel, expect about 5.1 hours of full sun.

More with the EcoFlow River 2 Pro

Everything the EcoFlow River 2 Pro can run →