And yet everyone is building with lithium, or occasionally sodium. Which leads me to believe that size/weight aren't irrelevant after all.
The technology with PbS or even NiFe has existed for decades, but only took off with lithium.
The technology with PbS or even NiFe has existed for decades, but only took off with lithium.
You aren't wrong about part of the off-grid community not wanting this. I'm not sure I'd want it if I were doing an off-grid install, but it does stand to grow the off-grid community to include people who are looking for a turnkey solution instead of having to do all the research to put together a more user-maintainable system.
I wouldn't expect the home owner to repair them. However they should be repairable by someone with training in how to diagnose and replace failed cells. (which mostly means a battery welder and some safety systems)