Winter battery storage - Minnesota

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markcherne

New member
Joined
Jun 19, 2018
Posts
2
We are storing our small TT on the seasonal site over the winter. It will be plugged into 30 Amp electrical for the duration, with all lights off and nothing drawing power.
Question: Should I leave the battery hooked up, or pull it and keep it in our basement with a battery tender?
We are in MN, and temps get to 20 below or colder in December and January.
Many thanks!
 

Optimistic Paranoid

Well-known member
Joined
Jan 19, 2013
Posts
355
A fully charged battery will not freeze until it hits minus 80 Fahrenheit.

A simple, dumb converter might well overcharge a battery, boiling the electrolyte off if left plugged in for many months.  The modern 'smart' converters, with bulk, absorption, and float cycles won't.

Your basement is probably the safest place for your battery.
 

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