Had that problem myself. Parasitic drain is shitty bad design—full stop! The only things that should drain when the car's not being used are the clock and or t

Had that problem myself. Parasitic drain is shitty bad design—full stop! The only things that should drain when the car's not being used are the clock and or the radio's memory and they only take flea power. Franky, I'm pissed off with much modern elecronics (I used to work in the prototype lab for a large multinational electronics company and crappy design like that wouldn't get past the breadboard stage let alone make it into production).