10 years, that's great. My engine starts so easily I don't really need the reserve cranking power. It's just always 10 more bucks for the next size up. I do use the windlass a bit before starting the engine, so,...

I bought this one at Autozone and paid 100. In hindsight, I should have found a smaller grp 24. I went to Hamilton Marine afterward a saw a couple smaller for less $. Next time I'll go there.