I didn't even have the batteries hooked up to a trickle charger (although I probably should have). The boat was at a boat yard all winter. I left the batteries in, they shrink wrapped the boat, and when we uncovered it a few weeks ago, the boat started right up.
In the past, I have always removed the batts and stored them in my garage. I would put them on a trickle charge every month or so. But with these new sealed Blue Tops, I didn't do anything.
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