Tool

How long will your batteries run the fridge?

Updated October 5, 2026

Battery bank in, runtime out. We assume 50% max depth of discharge to protect your batteries.

Battery bank (Ah at 12V)Fridge draw (watts while running)Duty cycle %

Lead-acid batteries last longest above 50% charge. Lithium (LiFePO4) can safely go deeper — adjust accordingly.

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