I was given some brand new sealed lead acid batteries. I have no real need for them right now, but I don't want them to go to waste. I'm trying to figure out the best way to store them, unloaded, for many years until I'm ready to use them for something.
Would storing them in a cool basement, attached to an intelligent float-charger work? When I say intelligent, I mean it monitors the voltage and cuts on and off to keep the charge topped off.
Approximately how long could I keep the battery stored like this and not have significant degradation?