Home Power Facts Can a portable power station run a window AC (5,000 BTU)?
Yes, 14 of the 15 power stations we track can run a window AC (5,000 BTU); the smallest that can is the EcoFlow RIVER 3 Plus. Expect about 0.7 h (EcoFlow RIVER 3 Plus) to 8.4 h (Anker SOLIX F3800) on a full charge.
Specs verified 2026-10-18.
Runtime by power station
| Power station | Usable capacity | Can it run it? | Runtime | Peak vs. surge limit | Price |
|---|---|---|---|---|---|
| EcoFlow RIVER 3 Plus | 231 Wh | Yes | 0.7 h | 1,050 W / 1,200 W | Check price |
| Jackery Explorer 300 | 247 Wh | No: over inverter limit | — | 1,050 W / 500 W | Check price |
| DJI Power 1000 | 775 Wh | Yes | 2.2 h | 1,050 W / 4,400 W | Check price |
| EcoFlow DELTA 3 Classic | 819 Wh (est.) | Yes | 2.3 h | 1,050 W / 3,600 W | Check price |
| EcoFlow DELTA 2 | 850 Wh | Yes | 2.4 h | 1,050 W / 2,700 W | Check price |
| Anker SOLIX C1000 | 897 Wh | Yes | 2.6 h | 1,050 W / 2,400 W | Check price |
| Jackery Explorer 1000 v2 | 910 Wh | Yes | 2.6 h | 1,050 W / 3,000 W | Check price |
| BLUETTI AC180 | 950 Wh | Yes | 2.7 h | 1,050 W / 2,700 W | Check price |
| Jackery Explorer 1000 Plus | 1,024 Wh | Yes | 3 h | 1,050 W / 4,000 W | Check price |
| Anker SOLIX C2000 Gen 2 | 1,600 Wh | Yes | 4.4 h | 1,050 W / 4,000 W | Check price |
| Jackery Explorer 2000 Plus | 1,678 Wh | Yes | 4.8 h | 1,050 W / 6,000 W | Check price |
| BLUETTI AC200L | 1,680 Wh | Yes | 4.8 h | 1,050 W / 3,600 W | Check price |
| EcoFlow DELTA 2 Max | 1,800 Wh | Yes | 5 h | 1,050 W / 4,800 W | Check price |
| Anker SOLIX S2000 | 1,893 Wh | Yes | 5.4 h | 1,050 W / 3,000 W | Check price |
| Anker SOLIX F3800 | 2,905 Wh | Yes | 8.4 h | 1,050 W / 9,000 W | Check price |
Runtime = usable capacity ÷ average draw. "(est.)" means no independent capacity test exists, so we assume 80% of rated capacity reaches the AC outlets. See the methodology. "Check price" links may be affiliate links.
What size do you need?
What size power station do I need for a window AC (5,000 BTU)?
Look for at least 347 W of continuous AC output and 1,050 W of surge. For capacity, a window AC (5,000 BTU) averages about 347 W, so 8 hours needs roughly 3,500 Wh of rated capacity and 24 hours roughly 10,450 Wh, assuming 80% of rated capacity reaches the outlets.
How long will a 1,000 Wh power station run a window AC (5,000 BTU)?
About 2.3 h, if its inverter can handle the 1,050 W startup surge: roughly 800 Wh reaches the outlets, divided by an average draw of 347 W.
Which power station can run a window AC (5,000 BTU) for a full day?
None of the 15 models we track runs a window AC (5,000 BTU) for 24 hours on one charge. Plan to recharge (solar or grid) during the day, or add an expansion battery.
What a window AC (5,000 BTU) draws
| Running watts | 347 W[source]Derived from EPA's ENERGY STAR certified room air conditioners data set, retrieved 2026-10-18: the median combined energy efficiency ratio (CEER) of the 21 certified 5,000 BTU/h window units is 14.4 Btu/Wh, so 5,000 / 14.4 = about 347 W. Cross-check: their listed 260.4 kWh/year over DOE's 750-hour test year is also 347 W. Certified units are efficient; older units draw more (Champion's chart lists 450-600 W). |
|---|---|
| Startup (surge) watts | 1,050 W[source]Midpoint of Champion's 900-1,200 W starting range. |
| Average draw used above | 347 W |
| Voltage | 120 V |
Champion lists 900-1,200 W running / 1,800-2,400 W starting for a 10,000 BTU unit.