In winter we normally remove the batteries and put them on the charger for the winter. using a CTEK Multi US 7002. they seem to like it! this winter someone has offered to let us store the MH in the...
7300 s/b 13.6 volts and is fine in the Winter. Is the shed heated? A bit high (13.6v) if you are in the Summer heat of middle TX or AZ basin. Bound to use extra water. Also older batteries tend to use more water. This is what often gets blamed for 'killing' them but they were on the way out anyway.
Could use the CTEK for the chassis battery if the MH does not have a system to maintain it.
Still good to check in on the batteries every 30 days.
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