this post was submitted on 17 Jan 2025
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It's important to remember that engineers and scientists are having to fight with 3-4 competing forces: efficiency, density, safety, cost. Even if we have a promising idea it just may not yet be technologically feasible to make the switch over yet. LiFePO4 definitely hits the Goldilocks zone where it gives up some density / weight / charge speed (if I recall) for longevity and overall safety. I think they've found a solid niche in home storage for sure. I personally prefer those cells over lithium ion for that reason... and honestly was using lead acid prior to that simply because lithium ion came with too many risks.