P.S. — Two of those would cost $800 MSRP. That would buy (about) one 100 Ah lithium.
The Renogy would have 400 Amp-hour capacity, so 200 Ah useable at 50% Depth Of Discharge (DOD).
A lithium would likely be 80 Ah or 100 Ah useable depending on manufactures’ ratings.
So lithium is much more expensive unless the higher initial cost is spread over many more cycles due to longer battery life.
With lithium I’d wonder whether I’d keep motorhome long enough to get a payback if I never killed the AGMs, and also how lithium batteries would perform in winter if mounted outside under steps where many RVs have them.
Regarding “Amps” (and not Amp-hours), those Renogy are rated at up to an insane 2,000 Amps for 5 seconds (more like a starting battery).
Common RV lithium batteries in same price range (~100 Ah) can’t come close to even one Renogy, not to mention two batteries with combined 4,000 Amp rating.
For powering large loads like inverters, these look promising if you believe their specs.
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