aGMs are completely unneccessary and poor choices for boats. The PSOC issues common on boats kills AGMS faster then any other batteries. If it’s a military jet use AGM , if it’s a boat use ordinary sealed wet lead acid , this is especially true for starters where the AGM is ridiculous overkill
That's salesman kind of talk. Well, perhaps you are right for those who are just slap-n-go, don't need no knowledge. I'll just replace my fla's while abusing them all the same.
Heh, how many know the proper placement of fla's in a marine environment to not expose the plates?
Installation & Orientation of Flooded Batteries on Boats - Marine How To
Port to Starboard Orientation This photo is simulating a sailboat heeling with flooded batteries. For years I’ve wanted to write this article, but until my friend Dave let me shoot this polycarbonate cased UPS battery, it was going to be tough to explain. As
marinehowto.com
I'll stop, because my point is, it is KNOWLEDGE, not chemistry that decides what is a good or poor choice. And we'll never come to agreement. And that's ok.
I'm just saying sweeping generalizations are a red-flag regardless of chemistry.