Is Backup compatible with my refrigerator?

Almost certainly. Backup works with virtually any standard 120V refrigerator or freezer that uses a normal 2- or 3-prong plug — which covers the vast majority of household fridges, chest freezers, and under-counter units. Backup's maximum output is 1,800W with surge headroom for compressor startup, though sustained output over long periods is lower and temperature-dependent (typically closer to 1,000W). Most single fridges run well within that; look up your model's running wattage for a closer runtime estimate. Backup does not support 230V appliances.

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