The batteries on electrics and hybrids are waaaaaaaaaaaaay different from the standard 12 volt ones you have on your gasoline driven car; longer cycle lifespan, much larger storage capacity, and tremendously higher output - like 300+ volts as opposed to 12.
If we’re going to end up with electrical systems on gasoline engines in-game, they REALLY need a separate battery component for that.
I guessed that I’d need a separate component for regular car batteries as opposed to the storage batteries (which would obviously be different, powering an engine). It’s actually not as much work as I thought to put this in, since it slots perfectly into the fuel system. If I can just figure out why my headlights keep shooting invisible light beams I should be able to make a pull request at the repo.