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12V Camping Fridge Runtime Calculator

Estimated runtime

Enter battery & fridge Wh/day

How this calculator works

How to use the 12V Camping Fridge Runtime Calculator

The Formula

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

Practical Example

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

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.