How long will the EcoFlow DELTA Pro 3 run a full-size fridge?

About 3 days from a full charge. A full-size fridge averages about 45 W (150 W running, on about 30% of the time), and the 4,096 Wh battery gives about 3,482 Wh after inverter losses. That is 1.3% of the battery an hour.

Will the EcoFlow DELTA Pro 3 start a full-size fridge?

Yes. It needs about 1,000 W for a moment when the compressor starts, and the EcoFlow DELTA Pro 3 is rated for 8,000 W surge, 8.0 times that. Avoid starting other motors at the same moment.

How much of the battery does a full-size fridge use in a day?

About 1,080 Wh a day (45 W × 24 hours), 31% of the 3,482 Wh the EcoFlow DELTA Pro 3 can deliver.

EcoFlow · Will it run?

Can the EcoFlow DELTA Pro 3 run a full-size refrigerator?

Published October 10, 2026

Short answerYes

Yes. The EcoFlow DELTA Pro 3 runs a full-size fridge for about 3 days from a full charge. It needs about 1,000 W for a moment when the compressor starts, well within the 8,000 W surge rating, then about 150 W while running against 4,000 W continuous.

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Key numbers

Runtime: 3 days; from a full charge
Battery used per hour: 1.3%; at 45 W average

Full-size refrigerator

Running: 150 W; 100–200 W range
Start-up: 1,000 W
Average: 45 W; on 30% of the time

EcoFlow DELTA Pro 3

Battery: 4,096 Wh; about 3,482 Wh usable
Output: 4,000 W; continuous
Surge: 8,000 W; start-up peak

How we worked it out: 4,096 Wh × 0.85 ÷ 45 W average (150 W × 0.3 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

EcoFlow DELTA Pro 3

4,096 Wh · 4,000 W output · 8,000 W surge · 113.5 lb

Full specs and runtimes

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What else the EcoFlow DELTA Pro 3 runs

One device at a time, from a full charge.

Other power stations for a full-size fridge

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 EcoFlow DELTA Pro 3 run a full-size fridge?: About 3 days from a full charge. A full-size fridge averages about 45 W (150 W running, on about 30% of the time), and the 4,096 Wh battery gives about 3,482 Wh after inverter losses. That is 1.3% of the battery an hour.
Will the EcoFlow DELTA Pro 3 start a full-size fridge?: Yes. It needs about 1,000 W for a moment when the compressor starts, and the EcoFlow DELTA Pro 3 is rated for 8,000 W surge, 8.0 times that. Avoid starting other motors at the same moment.
How much of the battery does a full-size fridge use in a day?: About 1,080 Wh a day (45 W × 24 hours), 31% of the 3,482 Wh the EcoFlow DELTA Pro 3 can deliver.