How long will the Anker SOLIX C2000 Gen 2 run a sump pump?

About 22 hours from a full charge. A sump pump averages about 80 W (800 W running, on about 10% of the time), and the 2,048 Wh battery gives about 1,741 Wh after inverter losses. That is 4.6% of the battery an hour.

Will the Anker SOLIX C2000 Gen 2 start a sump pump?

Yes. It needs about 2,100 W for a moment when the pump starts, and the Anker SOLIX C2000 Gen 2 is rated for 4,000 W surge, 1.9 times that. Avoid starting other motors at the same moment.

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

About 1,920 Wh a day (80 W × 24 hours), more than the 1,741 Wh the Anker SOLIX C2000 Gen 2 can deliver, so plan to recharge every 22 hours.

Anker SOLIX · Will it run?

Can the Anker SOLIX C2000 Gen 2 run a sump pump (1/3 HP)?

Published October 11, 2026

Short answerYes

Yes. The Anker SOLIX C2000 Gen 2 runs a sump pump for about 22 hours from a full charge. It needs about 2,100 W for a moment when the pump starts, within the 4,000 W surge rating, then about 800 W while running against 2,400 W continuous.

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Key numbers

Runtime: 22 hrs; from a full charge
Battery used per hour: 4.6%; at 80 W average

Sump pump (1/3 HP)

Running: 800 W; 700–1115 W range
Start-up: 2,100 W
Average: 80 W; on 10% 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 ÷ 80 W average (800 W × 0.1 duty) = about 22 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 sump pump

The nearest sizes that also run it.

Keep going

Real runtime depends on the model you own, room temperature and battery age. The 22 hours above is an estimate, not a measured result.

Common questions

How long will the Anker SOLIX C2000 Gen 2 run a sump pump?: About 22 hours from a full charge. A sump pump averages about 80 W (800 W running, on about 10% of the time), and the 2,048 Wh battery gives about 1,741 Wh after inverter losses. That is 4.6% of the battery an hour.
Will the Anker SOLIX C2000 Gen 2 start a sump pump?: Yes. It needs about 2,100 W for a moment when the pump starts, and the Anker SOLIX C2000 Gen 2 is rated for 4,000 W surge, 1.9 times that. Avoid starting other motors at the same moment.
How much of the battery does a sump pump use in a day?: About 1,920 Wh a day (80 W × 24 hours), more than the 1,741 Wh the Anker SOLIX C2000 Gen 2 can deliver, so plan to recharge every 22 hours.