How long will the Jackery HomePower 3000 run a window AC 5,000 BTU?

About 12 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 3,072 Wh battery gives about 2,611 Wh after inverter losses. That is 8.6% of the battery an hour.

Will the Jackery HomePower 3000 start a window AC 5,000 BTU?

Yes. It needs about 1,350 W for a moment when the compressor starts, and the Jackery HomePower 3000 is rated for 7,200 W surge, 5.3 times that. Avoid starting other motors at the same moment.

How many days of normal use is that?

About 1 day, if you use a window AC 5,000 BTU about 8 hours a day and nothing else is plugged in.

Jackery · Will it run?

Can the Jackery HomePower 3000 run a window AC 5,000 BTU?

Published October 15, 2026

Short answerYes

Yes. The Jackery HomePower 3000 runs a window AC 5,000 BTU for about 12 hours from a full charge. It needs about 1,350 W for a moment when the compressor starts, well within the 7,200 W surge rating, then about 450 W while running against 3,600 W continuous.

Add your other devices

Key numbers

Runtime: 12 hrs; from a full charge
Battery used per hour: 8.6%; 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

Jackery HomePower 3000

Battery: 3,072 Wh; about 2,611 Wh usable
Output: 3,600 W; continuous
Surge: 7,200 W; start-up peak

How we worked it out: 3,072 Wh × 0.85 ÷ 225 W average (450 W × 0.5 duty) = about 12 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

Jackery HomePower 3000

3,072 Wh · 3,600 W output · 7,200 W surge · 59.5 lb

Full specs and runtimes

Check price on Amazon Check price at Jackery

We may earn a commission if you buy through these links. It doesn’t change your price. How we make money

What else the Jackery HomePower 3000 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 12 hours above is an estimate, not a measured result.

Common questions

How long will the Jackery HomePower 3000 run a window AC 5,000 BTU?: About 12 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 3,072 Wh battery gives about 2,611 Wh after inverter losses. That is 8.6% of the battery an hour.
Will the Jackery HomePower 3000 start a window AC 5,000 BTU?: Yes. It needs about 1,350 W for a moment when the compressor starts, and the Jackery HomePower 3000 is rated for 7,200 W surge, 5.3 times that. Avoid starting other motors at the same moment.
How many days of normal use is that?: About 1 day, if you use a window AC 5,000 BTU about 8 hours a day and nothing else is plugged in.