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The other way to manage this is with a DC>DC charge controller between alternator and battery to set up a precise charging profile to keep your batteries healthy. I use one with a MB Sprinter-based RV with AGM chassis battery and LFP "house" battery which runs all of the living area and inverter.[/QUOTE]
I have an 88 ford van with a wheelchair lift which I don't actually use as I am not disabled.. I would however like to run a second battery and that could be arranged in such a way that the second battery is always maintained but I couldn't run it down by using the lift or for things like using it for camping.
If I loose my main battery it also provides a way out, I guess I could jumper myself or maybe there is feature to to that without disconnecting? the modern 110 invertors are also handy to run computers etc.
nice feature to fit a 110 V wall outlet even if output capacity is limited.
another thing I'd like is a battery quick disconnect to remove power drain from clocks etc. I often will park a car 2 months and its dead, this is not great for the battery life. Ill usually just pull the terminal off.
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