Portable power station sizing

How long will a power station run your devices?

A full-size fridge through a 24-hour outage needs about 1,252 Wh calculated. Our best fit is the PECRON E2400LFP, at about 33 h. RunTimeFit checks running and starting watts for 43 stations from maker specs checked Oct 17, 2026.

Power station calculator How the numbers work

Yes. PECRON E2400LFP runs a full-size fridge for a 24-hour outage for about 33 h. calculated from maker specs, Oct 17, 2026.

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Best fit

PECRON E2400LFP

About 33 h calculated

2,048 Wh LiFePO4 · 2,400 W continuous

Starting headroom 75%

$649 list price, checked Oct 17, 2026 · In stock

3-year warranty · 20.5 kg

Cheapest in-stock station with at least 20% spare runtime, a published warranty of at least two years and a published surge rating.

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Budget

PECRON E1500LFP

About 25 h calculated

1,536 Wh LiFePO4 · 2,200 W continuous

Starting headroom 77%

$549 list price, checked Oct 17, 2026 · In stock

5-year warranty · 17.4 kg

Cheapest in-stock station that works at all; trade-off: less than 20% spare runtime.

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More headroom

PECRON F3000LFP

About 50 h calculated

3,072 Wh LiFePO4 · 3,600 W continuous

Starting headroom 78%

$899 list price, checked Oct 17, 2026 · In stock

5-year warranty · 28.7 kg

Cheapest station that works in the next size class up (3,000–4,999 Wh).

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Goal: 24 h. Hours use maker inverter efficiency where published, otherwise the 0.85 estimate, and leave out idle draw the maker doesn't publish. Stations shown out of stock or with availability not shown are skipped. How we pick.

Size by use

Runtime by appliance

Worked scenarios

Stations

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