this post was submitted on 19 May 2025
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Is that until the battery stops working or till the 10,000 cycles 10 year guarantee?
Because there would still be life in it after that
It's the estimated average lifespan of a newish Lithium battery, but you are right that the "lifespan" is often defined as 75% remaining, so there should be life in the battery after that.
The newer sodium batteries should have way better lifespan, but I'm not sure if those are available yet.