How long will the Anker SOLIX C2000 Gen 2 run a window AC 5,000 BTU?

About 7.5 hours from a full charge. A window AC 5,000 BTU averages about 225 W (450 W running, on about 50% of the time), and the 2,048 Wh battery gives about 1,741 Wh after inverter losses. That is 13% of the battery an hour.

Will the Anker SOLIX C2000 Gen 2 start a window AC 5,000 BTU?

Yes. It needs about 1,350 W for a moment when the compressor starts, and the Anker SOLIX C2000 Gen 2 is rated for 4,000 W surge, 3.0 times that. Avoid starting other motors at the same moment.

Anker SOLIX · Will it run?

Can the Anker SOLIX C2000 Gen 2 run a window AC 5,000 BTU?

Published October 14, 2026

Short answerYes

Yes. The Anker SOLIX C2000 Gen 2 runs a window AC 5,000 BTU for about 7.5 hours from a full charge. It needs about 1,350 W for a moment when the compressor starts, well within the 4,000 W surge rating, then about 450 W while running against 2,400 W continuous.

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Key numbers

Runtime: 7.5 hrs; from a full charge
Battery used per hour: 13%; at 225 W average

Window AC 5,000 BTU

Running: 450 W; 400–550 W range
Start-up: 1,350 W
Average: 225 W; on 50% of the time

Anker SOLIX C2000 Gen 2

Battery: 2,048 Wh; about 1,741 Wh usable
Output: 2,400 W; continuous
Surge: 4,000 W; start-up peak

How we worked it out: 2,048 Wh × 0.85 ÷ 225 W average (450 W × 0.5 duty) = about 7.5 hours. The 0.85 covers inverter and battery losses. We do not test units ourselves; the numbers come from the official spec sheets and typical device draws. How we pick

Anker SOLIX C2000 Gen 2

2,048 Wh · 2,400 W output · 4,000 W surge · 41.7 lb

Full specs and runtimes

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What else the Anker SOLIX C2000 Gen 2 runs

One device at a time, from a full charge.

Other power stations for a window AC 5,000 BTU

The nearest sizes that also run it.

Keep going

Real runtime depends on the model you own, room temperature and battery age. The 7.5 hours above is an estimate, not a measured result.

Common questions

How long will the Anker SOLIX C2000 Gen 2 run a window AC 5,000 BTU?: About 7.5 hours from a full charge. A window AC 5,000 BTU averages about 225 W (450 W running, on about 50% of the time), and the 2,048 Wh battery gives about 1,741 Wh after inverter losses. That is 13% of the battery an hour.
Will the Anker SOLIX C2000 Gen 2 start a window AC 5,000 BTU?: Yes. It needs about 1,350 W for a moment when the compressor starts, and the Anker SOLIX C2000 Gen 2 is rated for 4,000 W surge, 3.0 times that. Avoid starting other motors at the same moment.