Hi all, I just installed a promariner charger for my 2 blue top optimas. Should I have set this as AGM or AGM HP? It seemed to work for about a day, but I went home today and was messing with the stereo and noticed the lights went off on the charger and the stereo battery is making a "sizzling noise". I meant to unplug the charger when I was using the stereo, but well...I forgot. Did I screw up the battery and/or charger? I have it all disconnected right now (battery negative disconnected from everything).
The battery is warm, but not hot. None of the terminals were especially warm. The charger is pretty warm, almost hot I would say. I double checked and everything seems to be connected correctly.