I've owned 5 different RVs over the last 20+ years. 4 of them had no way to isolate the battery from the charger, or the battery/charger from the running DC loads. All had 3 stage converters. The only time I had a problem with cooking batteries was when the charger went bad. Otherwise they all went into a 13.1 volt float mode even though DC loads were running like lights or the refrigerator control power.
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Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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