Category Archives: Car Battery

What Size Battery Is Needed

A battery should be big enough to allow reliable cold starting. The standard recommendation is a battery with at least one Cold Cranking Amp (CCA) for every cubic inch of engine displacement (two for diesels). CCA rating is an indication of a battery’s ability to deliver a sustained amp output at a specified temperature. Specifically, it is how many amps Continue Reading...
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Battery Keeps Running Down

Is it the Battery, Alternator, or Voltage Regulator? It could be any one of the three, or an undetected voltage drain caused by a trunk light, under hood light, or glove box light that does not go out when the lid is closed. An alternator is based on the rotation of a magnet inside a fixed-loop conductor. The output circuit Continue Reading...
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