I source some of my AGM batteries from Zeus. I'll admit it's partly because I can drive there and pick them up. They are Chinese made, better than some of the Chinese crap batteries, but not as good as some of the premium brands, at least that's my experience.
Anyway, I went to their website today and was surprise to see a bunch of new technologies listed like LiMnO2, LiSOCl2 and LiFePO4. Also some bigass 6V and 12V "Deep Cycle SLA" batteries that the spec sheets say are AGM and the photos look like solar batteries, I'm not exactly sure how these compare to their regular AGM line. I wonder how these compare for price and quality to some Concorde (Lifeline and SunXtender) batteries I have bought in 100 Ah and 8D sizes. https://www.zeusbatteryproducts.com/standard-batteries/
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