I've seen lots of advice that generally comes down to "get a commercial battery conditioner charger and hook it up" today. Even those are likely to cause whiske

I've seen lots of advice that generally comes down to "get a commercial battery conditioner charger and hook it up" today. Even those are likely to cause whiskering if you're not using the battery often. Understand the chemistry of what's happening and it'll help you see which processes you're trying to balance against each other. You're gonna need to spend some maintenance time on them anyway, even just testing.