At What Voltage Should A Car Battery Be Replaced. The ideal car battery voltage with the engine running is between 137 and 147V. We Provide Top Quality Batteries Tested and Trusted.
When your car needs a new battery always purchase one from a high-volume seller with fresh stock. At what voltage should a car battery be replaced. Measuring your car batterys voltage can be a great way to determine how charged your battery might be.
Turn off the ignition and any accessories like lights or the radio in the vehicle.
There is a very big difference when a car battery drops even a small amount of voltage. When the batterys voltage. If you notice the alternator is charging your battery at a much higher rate than 147 volts then you should. If the voltage drops below.
