How long will the Anker SOLIX F3800 Plus run a well pump?

About 3 days from a full charge. A well pump averages about 50 W (1,000 W running, on about 5% of the time), and the 3,840 Wh battery gives about 3,264 Wh after inverter losses. That is 1.5% of the battery an hour.

Will the Anker SOLIX F3800 Plus start a well pump?

Yes. It needs about 3,000 W for a moment when the pump starts, and the Anker SOLIX F3800 Plus is rated for 9,000 W surge, 3.0 times that. Avoid starting other motors at the same moment.

How much of the battery does a well pump use in a day?

About 1,200 Wh a day (50 W × 24 hours), 37% of the 3,264 Wh the Anker SOLIX F3800 Plus can deliver.

Anker SOLIX · Will it run?

Can the Anker SOLIX F3800 Plus run a well pump (1/2 HP)?

Published October 13, 2026

Short answerYes

Yes. The Anker SOLIX F3800 Plus runs a well pump for about 3 days from a full charge. It needs about 3,000 W for a moment when the pump starts, well within the 9,000 W surge rating, then about 1,000 W while running against 6,000 W continuous.

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Key numbers

Runtime: 3 days; from a full charge
Battery used per hour: 1.5%; at 50 W average

Well pump (1/2 HP)

Running: 1,000 W; 750–1400 W range
Start-up: 3,000 W
Average: 50 W; on 5% of the time

Anker SOLIX F3800 Plus

Battery: 3,840 Wh; about 3,264 Wh usable
Output: 6,000 W; continuous
Surge: 9,000 W; start-up peak

How we worked it out: 3,840 Wh × 0.85 ÷ 50 W average (1,000 W × 0.05 duty) = about 3 days. 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 F3800 Plus

3,840 Wh · 6,000 W output · 9,000 W surge · 136.7 lb

Full specs and runtimes

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What else the Anker SOLIX F3800 Plus runs

One device at a time, from a full charge.

Other power stations for a well pump

The nearest sizes that also run it.

Keep going

Real runtime depends on the model you own, room temperature and battery age. The 3 days above is an estimate, not a measured result.

Common questions

How long will the Anker SOLIX F3800 Plus run a well pump?: About 3 days from a full charge. A well pump averages about 50 W (1,000 W running, on about 5% of the time), and the 3,840 Wh battery gives about 3,264 Wh after inverter losses. That is 1.5% of the battery an hour.
Will the Anker SOLIX F3800 Plus start a well pump?: Yes. It needs about 3,000 W for a moment when the pump starts, and the Anker SOLIX F3800 Plus is rated for 9,000 W surge, 3.0 times that. Avoid starting other motors at the same moment.
How much of the battery does a well pump use in a day?: About 1,200 Wh a day (50 W × 24 hours), 37% of the 3,264 Wh the Anker SOLIX F3800 Plus can deliver.