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Old 12-12-2020, 07:22 AM   #1
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Hamden , Connecticut
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Charging Battery
Does anybody use a DC to DC battery charger, using your TV battery to charger your RV battery?
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Old 01-04-2021, 08:03 PM   #2
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Yes. I just had a 40 amp DC to DC charger installed in my AS so I can charge the lithium batteries while driving. Without solar panels this is my primary source of current to recharge my batteries.

Works very well!
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Old 01-04-2021, 08:08 PM   #3
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Note that you only need a DC-DC converter for lithium as the charge voltage is higher than lead acid. If your trailer has traditional lead acid batteries then charging should happen as-is no problem.
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