I’d check refrigerator specs since they can use different amounts of energy/power, and manufacturers reserve the right to make changes any time they want.
Also, if thinking of upgrading to AGM batteries, one issue to consider is that they don’t like to be charged only part way before next discharge cycle. This means that if solar doesn’t get battery bank back to 100% during day, starting the next discharge cycle may shorten their life somewhat. How much exactly is not documented well. At a minimum, they should be fully charged on a regular basis.
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