Battery Health Unveiled Interpreting Fluctuating Tester Readings on the Road

When the temperature is warm enough, and after you've driven for about 25 minutes or more, then it reduces the charging voltage from around 14 ... 2021 got a warning “service charging system vehicle may stall” battery voltage fluctuates 14.5 down to 12.5 while driving can't see what the ... This sounds like one or more cells in the battery are going South. You need to use LeafSpy Pro to get a depiction of the battery cells and the voltage ... It is highly likely that the alternator and/or voltage regulator are the problem. '04 330i ZHP - OEM Clears - ///M Strut bar - CoolantSnitch. If your aftermarket battery bolt is too long (the end screwed to the battery), it may pull the lead plate with the female threads out from the ... Believe it or not, the battery acts as a capacitor when the car is in use, to keep the voltage level stable. If you see the voltage going up as ... Driving vibration may shake up battery and increase charge as gas bubbles get shaken out driving. Since you park with a maintainer plugged in I ... When the batteries need to be charged, the voltage goes up to 14.4v or so, and when it senses they are charged it drops way down, I've seen 12.9 ... Voltage reading on the dash fluctuates as voltage demands change. With batteries that are old and in need of charge, you will see higher ... On the way home on a 150 mile drive we noticed the volt meter fluctuate between 12 and 14 volts (I had a fluke meter with me). It was warm ...