My base level Model Y has a Lithium Iron Phosphate (LFP) battery so its safe and actually recommended that you charge to 100%.
Years have passed and there’s real-wold data available now. The failure of car batteries seem to be overestimated. On average, batteries don’t loose much performance after 150k km.
EV batteries last longer than drivers feared
Study suggests most used vehicles can retain about 90% of original usable battery capacity after 150,000km
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I actually wanted a Tesla with a lower capacity LFP battery because they can take far more abuse than nickel-based (NMC/NCA) batteries, and they degrade far more slowly. My battery SOH figures demonstrate that admirably, 55,000 km over almost 3 years and the battery is still at 97.3% capacity
n.b.I charge exclusively at public DC fast chargers, which many say is terrible for battery health.
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I’d even say, given the fact most people buy a battery that’s too large for them anyway, the battery will likely outlive the car - even on very low range battery models.
