Toyota’s upcoming EV, prefaced by the bZ4X Concept, is said to retain 90 percent of its initial battery capacity after a decade. At first, this might be something insignificant, but it means that the vehicle should be able to achieve 90 percent of its initial range after ten years of use.
Source: Toyota Might Have Fixed an Underlying Issue With Electric Vehicles – autoevolution
I’ve owned ICE vehicles out to 20 years … current EVs would likely need a couple of total battery pack replacements to achieve that life. This development from Toyota might be very helpful.