@insympathy this "After a while battery gets insanely hot" would actually be more related to the battery then the charger. Your battery control board should cut of the charge before your battery gets to that point. I'd replace the battery first.
We would need to know what make and model your motherboard is. That way we could try to figure out what happend. It had to be major in order for all of those caps to be falsely connecting to ground.
https://www.youtube.com/watch?v=blv1MVYXl8o