Originally Posted by
arkflyr
Just be aware that EVs have 12 volt batteries just like an ICE car. I’m not sure how different manufacturers keep them charged in the vehicle though.
tesla has one. Its charged when you charge the car or during regenerative braking. They last as long as a normal car battery. You'll get a notification when it should be replaced and as long as your cars main battery has power the car battery will be charged.
really nothing to worry about