Can the EcoFlow River 2 Run a Window AC (8,000 BTU)?

Updated 2026-10-17 · No

No. A window AC (8,000 BTU) draws about 700W, more than the EcoFlow River 2’s 300W continuous AC output. The inverter will overload and shut off as soon as it switches on.

The numbers

Battery capacity256Wh (LFP)
Usable energy218Wh (85% via AC outlets)
Continuous AC output300W
Surge rating600W
Window AC (8,000 BTU) running watts700W
Startup watts2000W
Average draw490W
Estimated runtimeWon’t run
Energy per day of typical use3.9 kWh

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

Adjust the numbers

Check the label on your window AC (8,000 BTU) and enter its real wattage.

Recharging with solar

The EcoFlow River 2 accepts up to 110W of solar input. In real conditions that harvests about 413Wh on a sunny day (5 peak-sun hours).

Tips

  • Mid-size window units need a stout inverter to survive the compressor start.
  • The EcoFlow River 2 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 window AC (8,000 BTU)

Power stationCapacityOutputRuntimeVerdict
EcoFlow River 3245Wh300WWon’t runNo
Jackery Explorer 240 v2256Wh300WWon’t runNo
Bluetti EB3A268Wh600WWon’t runNo
Jackery Explorer 300 Plus288Wh300WWon’t runNo
Anker SOLIX C300288Wh300WWon’t runNo
Goal Zero Yeti 500X505Wh300WWon’t runNo
EcoFlow River 2 Max512Wh500WWon’t runNo
Anker 535 PowerHouse512Wh500WWon’t runNo

Compare all power stations for a window AC (8,000 BTU) →

FAQ

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

With its maximum 110W of solar input it refills in about 3.1 hours of strong sun. A single 200W panel is enough to max out its solar input.

Which power station can run a window AC (8,000 BTU)?

The Jackery Explorer 1000 (1002Wh, 1000W output) can, for about 1.7 hours. See the comparison table below for more options.

More with the EcoFlow River 2

Everything the EcoFlow River 2 can run →