What do you do with your boat batteries?

[fsh4fun05]

I take my trolling motor batteries out of my boat and put them in the man cave. I had a battery make a mess over the winter once when I left them in and I don't want that again. My baby is at Lee's wrapped up and stored for the winter. He takes the starter battery out before he wraps it and keeps it maintained until March/April for me.
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