I may be wrong but pretty sure I ran into some information that our current lithium battery tech can last 50+ years if you cycle it from 70-40% SOC and under lo

I may be wrong but pretty sure I ran into some information that our current lithium battery tech can last 50+ years if you cycle it from 70-40% SOC and under low load / charging conditions. Will this run your 12,000 btu air conditioner? yes but that's a lot of batteries ($50k is my guess for my climate). Tech ingredients on youtube has some fun experiments heating / cooling if you're looking for inspiration.