You need about 707 Wh — and 24 units fit. The smallest sufficient is the Bluetti EB70S; we never push more capacity than your load can use. Surge to clear: 1,200 W.
The math
Running watts (everything on at once) = 150 W
Surge watts (worst single startup + the rest running) = 1,200 W
Average draw (cyclic loads counted by their duty cycle) = 53 W
Watt-hours = 53 W × 12 h ÷ 90% usable reserve = 707 Wh
1
Bluetti EB70Ssmallest that fits
716 Wh800 W cont · 1,400 W surge~12 h on this load$$
A rugged 700 Wh workhorse for camping and outage essentials.
🔗 The "Check price" buttons are brand-direct affiliate links. Once our brand affiliate programs are approved these will earn a commission — at no extra cost to you, and it never changes which unit we recommend. Disclosure.
⚡ Duty cycle matters here. A fridge compressor only runs ~1/3 of the time, so its all-day energy is far below its running watts × 24. We size watt-hours on the duty-weighted average (53 W), not the peak — so we don't oversell you capacity.
Can a specific unit run a refrigerator (modern)?
27 of the units we track deliver enough watts to run a refrigerator (modern). Check a specific one for the runtime and the full verdict:
What size power station do I need to run a refrigerator (modern)?
A refrigerator (modern) draws about 150 W running, with a startup surge near 1,200 W. So you want a unit with at least 150 W continuous output and 1,200 W+ surge. For 12 h of runtime that's roughly 707 Wh of capacity — the Bluetti EB70S is the smallest unit that clears all of it.
How many watts does a refrigerator (modern) use?
About 150 W while running, spiking to roughly 1,200 W on startup. It only draws power about 35% of the time, so over an outage its energy use is well below 150 W × the hours — which is why a modest battery lasts longer than you'd expect. A fridge compressor only runs ~1/3 of the time, so its all-day energy is far below its running watts × 24.
Sources: Refrigerator (modern) wattage — Standard appliance-wattage / generator-sizing charts (representative values; verify your nameplate); station specs — manufacturer published specifications (compiled 2026-06-15; approximate). Informational only — a computed sizing estimate from published appliance-wattage charts and manufacturer station specs. It is not an electrical guarantee. For hardwired or whole-home backup, transfer switches, or any permanent install, consult a licensed electrician.