Power Station Chart

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Power stations for a window air conditioner

A window air conditioner draws 450 to 730 W. The smallest station we chart that handles it is the BLUETTI EB70S.

By the Power Station Chart team, from published appliance figures and the makers' station specs. Last reviewed October 31, 2026.

5,000 to 8,000 BTU window units. The compressor pulls more than this for a moment when it starts, so leave headroom.

What decides the size you need

A window air conditioner needs a station of at least 716 Wh. The BLUETTI EB70S, with 800 W of AC, runs a 5,000 to 8,000 BTU unit for 50 min to 1.4 h, though it is listed as discontinued. The BLUETTI AC70 (768 Wh) lists 54 min to 1.5 h. These units draw 450 W to 730 W, but the compressor pulls more for a moment at start, so leave headroom. Of 81 stations, 61 handle it and 20 have too little AC output. For a night, the BLUETTI Elite 400 (3,840 Wh) lists 4.5 h to 7.3 h, and the EcoFlow DELTA Pro Ultra X (12,288 Wh) 14 h to 23 h.

Runtime by station, smallest to largest

BLUETTI EB70S50 min to 1.4 h
Anker SOLIX C800X54 min to 1.5 h
Jackery HomePower 1000 v21.2 h to 1.9 h
EcoFlow DELTA 3 Plus1.2 h to 1.9 h
Anker SOLIX C10001.2 h to 2 h
Jackery Explorer 1000 Plus1.5 h to 2.4 h
Jackery Explorer 1500 Ultra1.8 h to 2.9 h
BLUETTI AC200P2.3 h to 3.8 h
Jackery HomePower 2000 Plus v22.4 h to 3.9 h
Anker SOLIX C2000 Gen 22.4 h to 3.9 h
BLUETTI Elite 200 V22.4 h to 3.9 h
BLUETTI Elite 3003.5 h to 5.7 h
EcoFlow DELTA 3 Ultra Plus3.6 h to 5.8 h
EcoFlow DELTA Pro4.2 h to 6.8 h
EcoFlow DELTA Pro 34.8 h to 7.7 h
EcoFlow DELTA Pro Ultra X14 h to 23 h

Times use about 85% of the rated capacity. Add your other loads.

How much capacity for how long

4 hours or more11 stations, even at the appliance's high figure
8 hours or more1 stations, even at the appliance's high figure
12 hours or more1 stations, even at the appliance's high figure
24 hours or more0 stations, even at the appliance's high figure

Stations to look at

20 smaller stations supply less AC power than this draws, so they would shut off.

By the numbers

Median capacity2,042 Wh
Spread716 to 12,288 Wh
Most common batteryLFP, on 52 of 61
Makers4
Listed on Amazon40 of 61

FAQ

What size power station runs a window air conditioner?

At least 716 Wh and enough AC output for 450 W to 730 W plus the start-up pull. The EcoFlow DELTA 2 and BLUETTI Elite 100 V2 (1,024 Wh) list 1.2 h to 1.9 h.

How long does a 2,048 Wh station run an air conditioner?

The EcoFlow DELTA 3 Max Plus lists 2.4 h to 3.9 h, and so do the Jackery Explorer 2000 v2 and BLUETTI Elite 200 V2.

Which stations have too little AC output for an air conditioner?

Twenty of the 81 do. None of the 81 fall short at startup, so the limit is continuous AC output.

What does it take to run one for most of a day?

The EcoFlow DELTA Pro Ultra X (12,288 Wh) lists 14 h to 23 h. The Jackery HomePower 3600 Plus (3,584 Wh) lists 4.2 h to 6.8 h.

Other appliances

Where these figures come from

Appliance figures come from these documents. Station figures are on each station's own page.

3 documents