IMHO the easiest thing to do is only remove them when they are bad and need replacing. That is what I've done successfully for over 50 years. Works for me. I do use a battery cutoff switch on my TT, and small solar system to keep batteries topped up.
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Chuck
Wonderful Wife
Australian Shepherd
2010 Ford Expedition TV
2010 Outback 230RS Toybox, 5390# UVW, 6800# Loaded
Not yet camped in Hawaii, 2 Canada Provinces, & 2 Territories
I can't be lost because I don't care where this lovely road is going
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