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How long will a Bluetti EB3A run a refrigerator?
Will a Bluetti EB3A run a fridge, and for how long?
About 3.8 hours on the base battery — calculated, not tested, with one caveat: the manufacturer publishes no surge rating for this model, so the compressor-start check could only use its continuous rating (600 W), which covers the fridge's draw while running. It depends on your fridge: a modern unit drawing 150 W while running, compressor on 40% of the time, is the load assumed here.
3.8 hours
Base battery (268 Wh), 150 W running draw at a 40% duty cycle, 0.85 AC efficiency. Continuous-run floor: 1.5 hours.
Start check: unverifiable, stated plainly. A fridge compressor can demand about 2,350 W at start (150 W + 2,200 W additional, Generac/Lowe's worksheet). The manufacturer publishes no surge rating for the Bluetti EB3A, so we cannot confirm it clears that spike — our calculators check it against the continuous rating only, and say so.
Bluetti EB3A specifications (manufacturer)
| Capacity | 268 Wh |
|---|---|
| Maximum capacity with expansion | — |
| AC output (continuous) | 600 W |
| AC output (surge) | — |
| Maximum solar input | 200 W |
| Battery chemistry | LFP (LiFePO4) |
| Cycle life | 2,500 cycles to 80% capacity |
| Weight | 10.14 lbs |
Source: manufacturer product page · pulled 2026-10-19. Data as of Oct 19, 2026. If a figure is not published in that source, we show a dash rather than estimate it.
Load assumptions, graded: fridge running draw 150 W — the default in our fridge calculator, typical of a modern fridge while its compressor runs (check the label inside yours). Compressor duty cycle 40% — INFERRED, a WattLong planning assumption. Additional starting watts 2,200 W — Generac/Lowe's sizing worksheet, REPORTED (Generac's manual chart says 1,600 W; we use the higher figure). Runtime = capacity × 0.85 ÷ (150 W × 40%); the 0.85 factor is Bluetti's published formula factor, REPORTED. Base battery only — expansion batteries raise the hours in proportion. Generac's worksheet also lists a conservative 700 W sizing figure for older/larger fridges; sizing with it under-promises, which is the safe direction. Full methodology: how we calculate.
Food-safety note: a fridge keeps food safe for only a limited time without power, and runtime estimates are estimates. Follow USDA/FDA guidance on perishable food during outages.
More on this model: the models index · compare all 30 models in the fridge outage ranking · run your own fridge's numbers in the fridge runtime calculator.
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