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Camping

12V Camping Fridge Runtime Calculator

Ambient temperature effect on compressor duty cycle and battery days.

Battery energyWh

Fridge rated useWh/day

At 77°F lab rating

Ambient heat

Estimated runtime

Enter battery & fridge Wh/day

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About 12V Camping Fridge Runtime Calculator

Duty cycle in heat

Hot ambient increases compressor duty. Cool ≈0.85× rated Wh, mild 1.0×, hot 1.35× daily draw.

Frequently asked questions

Q: Ice vs compressor? A: This targets 12V compressor fridges, not ice chests.

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