RV Electrical, Solar & Battery Bank Tooling

Why should an RV DC-to-DC Charger be installed between the tow vehicle alternator and the lithium house battery bank?

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 Correct IncorrectLithium batteries pull massive amperage continuously from standard vehicle alternators at low idle speeds, overheating and burning out the alternator stator windings.

Why should an RV DC-to-DC Charger be installed between the tow vehicle alternator and the lithium house battery bank?

• It acts as a second alternator
• It makes the tow vehicle drive faster
• It converts 12V to 48V for the refrigerator
• It limits charging current to prevent the alternator from burning up from lithium's massive current appetite at low idle