Quote Originally Posted by LOLZ View Post
It will depend on the specific vehicle/battery designs on making it feasible but some(Tesla and Toyota) have their batteries divided into modules that can be readily replaced and has no firmware locks at least for the models that are now starting to require replacement.

https://www.youtube.com/watch?v=oAHaYXBFnJo

A bit offtopic but i wonder if the Lenovo's Battery's firmware is reliant on its own power ala Capcom CPS2 Arcade boards that store decryption keys in Ram

i still play cps2 on emulator, winkawaks