What size batteries? Residential fridge requires an INverter to operate. The CONverter charges the batteries when plugged into shore power. The converter and inverter are different and usually separate in Trailers with the residential fridge. MAGNUM makes an all in one unit, I see them every day in Tiffen motor homes.
Changing the two 12V batteries to four 6V batteries will make a big difference, you may not need a new converter. I would test it’s output first.
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2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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