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opnspaces's avatar
opnspaces
Navigator II
Aug 14, 2019

Using an automotive battery charger when onboard fails

Many times we see posts here about somebody experiencing a failed built in battery charger while out on vacation. Invariably we suggest buying or using a cheap automotive battery charger to keep the R...
4x4van's avatar
4x4van
Explorer III
Aug 15, 2019
My cheap HF charger (2/10/50 Amp) tapers down the charge amperage as the battery SOC increases. I've never used it in an RV for an emergency power supply, but wouldn't be worried about it overcharging. Not sure why I would need a "timer", as it automatically ramps down to just a trickle charge.

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