this post was submitted on 25 Feb 2025
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The battery is still a big problem when selling on the used market because there's not really a way to see how much it has been abused, and it's also not really feasible to replace. If the previous owner abused their battery by constantly fast charging, and always charging it to 100% and driving till the battery is completely empty, then the battery can decrease much faster.
My manager has recently bought a used Tesla model 3, and the battery had been abused so much that he only has about 150km of actual range on a full battery. With the advertised range being close to 500km and the car being only 5 years old that seems to be a lot more than 2% per year. Even if you assume that the effective range when new was only half of the advertised range, then that battery has lost nearly 40% of its capacity in 5 years.
Teslas have no QA. Teslas have lied about their advertised range. That said level 3 charging constantly can degrade it faster, data from the research I discussed in the last comment showed that a lot of miles but with no level 3 charging has a negligible affect.
Perhaps when selling an EV there could be an inspection or the manufacturer provide in the software a diagnostic on battery health for buyer awareness still.
Source: https://www.geotab.com/blog/ev-battery-health/
Let's get the government right on that new regulation. With the guys in charge, shouldn't be an issue.
If it lines musks profits it could be of interest right now I guess lol. Selling used teslas doesn't transfer ownership of FSD and stuff so they have to rebuy it, and it could help resell value which buyers put in their decision, so I imagine it could be profitable? That said they are a bunch of idiots so probably not.