Battery Tester Unmasked Unraveling Fluctuating Readings on the Road

Especially around here in the cold, they can die without much warning. If the cables are crapped up, you can try cleaning all the terminals and ... Reason is, your charger might see it as a short (very high amperage load at the onset). Also, check terminal connections for corrosion or lose ... Does so at idle or while driving down the road. Tail lights ... I placed volt meter on the battery and showed him the voltage fluctuation. This depends on RPM, speed, temperature, electrical load, and other things. It could be changes in outdoor temperature, A/C usage, or any number ... For a new battery that voltage is a bad sign for the battery, like I said charge it and load test it. What brand ... (A) Ensure you have a good solid ground strap from the Battery to the Engine and 2 A solid strap from the Battery to the Chassis, (B) Also check ... It sounds like the voltage regulator inside the alternator is bad. Just an FYI most all auto parts stores will test your alternator, battery, ... This is a battery maintenance function, not a electronics operation function. When batt needs more charging, ECU commands (regulates) alternator to meet that ... The issue i'm having is that while driving i'll notice the battery voltage meter drop and the exterior lights will dim significantly. 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 ...