Battery Tester's Ever-Changing Landscape Analyzing Fluctuations On the Go

Sounds like a bad battery, but I would also check the output of the alternator to make sure it's up to par. You need to see at at least 13.5 ... First, check the battery clamps themselves. Have they been over tightened over the years so they are distorted and cannot tightly grip the ... There is always the possibility that the battery is simply at its end of its useful life. Voltage readings of the battery and during charging ... I was driving the other day and the check gauge light came on. My ... while, then voltage drops again, shut off engine, restart, etc. one more to check if the current is to high for the battery there is a lot off gassing. All the gass bubles are dropping the charge current. Testing the battery, with the car on (headlights and heater on ... mine fluctuates, startup its around 12.8 for a while until i drive ... I installed a AGM battery and with a volt meter I am reading 14.9-15.3 volts at the battery with it running in park. The needle on the dash ... It might be a good idea to take an actual voltmeter and test your battery's resting voltage. If it's 12.3 then it's chronically undercharged, ... When the batteries are under load such as driving the cart. The battery voltage drops, which is why it's the percentage drops. The most ... drops to 12.5 while driving ... If it keeps up, then have a FLAPS load test the battery no alternator at RPM you are seeing the fluctuations.