Can a Power Station Run a Refrigerator During an Outage?
Yes — a 2,000Wh-class portable power station like the EcoFlow DELTA 2 Max runs a 100–200W full-size refrigerator for roughly 9–17 hours during an outage, by the runtime formula (Capacity ÷ Wattage × 0.85), while a 768Wh unit like the Bluetti AC70 is better matched to a 50–80W mini fridge, which it runs for about 8–13 hours.
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The math, worked out
A full-size refrigerator draws 100–200W and a mini fridge 50–80W (see the common device wattages table on our main guide). Apply the site's runtime formula — Capacity (Wh) ÷ Device Wattage × 0.85 — and you get:
| Unit | Fridge type | Runtime range |
|---|---|---|
| EcoFlow DELTA 2 Max (2,048Wh) | Full-size (100–200W) | ≈ 8.7–17.4 hours |
| Jackery Explorer 1000 v2 (1,070Wh) | Full-size (100–200W) | ≈ 4.5–9.1 hours |
| Bluetti AC70 (768Wh) | Mini fridge (50–80W) | ≈ 8.2–13.1 hours |
Those figures assume the fridge draws continuously. Real refrigerators cycle their compressors, so actual wall-clock coverage usually lands toward the top of each range. For output headroom, the DELTA 2 Max's 2,400W continuous (3,100W surge) rating clears refrigerator startup surges with a wide margin.
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Going multi-day
For outages longer than a day, capacity expansion and solar recharging are the two levers. The DELTA 2 Max expands to 6,144Wh with add-on batteries and accepts up to 1,000W of solar input; a full solar charge typically takes 3–8 hours depending on panel size and sunlight. If whole-home essentials are the goal, treat 2,000Wh as the floor.
Related reading
- Best Portable Power Stations 2026 — the full ranked guide with the interactive load-meter calculator.
- What Size Power Station Runs a CPAP Overnight? — the same math applied to CPAP machines.
- EcoFlow DELTA 2 Max vs Bluetti AC70 — home backup vs budget portability head-to-head.
- The Power Station Numbers Table — advertised vs usable Wh and runtime reference data.
Frequently Asked Questions
Yes. A 2,000Wh-class portable power station like the EcoFlow DELTA 2 Max runs a 100–200W full-size refrigerator for roughly 9–17 hours by the runtime formula Capacity (Wh) ÷ Wattage × 0.85, and its 2,400W continuous output is far above what any household fridge draws. Smaller 768Wh units are better matched to a 50–80W mini fridge, which they run for about 8–13 hours.
Between about 8.7 hours (at a heavy 200W draw) and 17.4 hours (at a light 100W draw), using the formula 2,048 ÷ wattage × 0.85. Real refrigerators cycle their compressors on and off, so the wall-clock time you get typically lands toward the longer end of the continuous-draw math.
Yes. A mini fridge draws 50–80W, so a 768Wh unit like the Bluetti AC70 runs one for roughly 8–13 hours per charge (768 ÷ wattage × 0.85), and its 1,000W output handles the load easily.
Two levers: expandable capacity and solar. The EcoFlow DELTA 2 Max expands to 6,144Wh with extra batteries — roughly three times the runtime — and accepts up to 1,000W of solar input, with a full solar charge typically taking 3–8 hours depending on panel size and sunlight. For serious multi-day whole-home backup, 2,000Wh or more is the capacity floor.
Compressor appliances draw a brief surge when they kick on, above their running wattage. The EcoFlow DELTA 2 Max is rated for 2,400W continuous with a 3,100W surge, so a 100–200W-class household refrigerator starts and runs with a wide margin. Very small units with outputs in the low hundreds of watts are the ones that can struggle with compressor starts.