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What Is A Good Voltage For Car Battery. Therefore it is believed to be one of the most important components of any vehicle. Ad Search On MapQuest To Find Information On Vehicles.
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There is a very big difference when a car battery drops even a small amount of voltage. How low does Car Battery have to measure before it is good. Its not a matter of voltage but of capacity and power output.
Youll get more accurate results if you do a load test.
A voltmeter is useful for measuring voltage and its easy to use. If your cars performance isnt up to the mark then a low voltage battery may be the reason for it. Because of the way lead-acid batteries discharge its important that you test the battery after its been sitting for a period of time to get whats called the resting voltage. Battery power drops sharply after that a reading of 122 volts signals 50 percent power and 12 volts registers just 25 percent.
