Car Leakage Current Typical values for leakage current (idle consumption) from a modern car battery are between 20 and 50 milliamperes (mA). Normal and maximum permissible values Ideal value: Anything below 50 mA is considered completely normal for most gasoline and diesel cars. This energy is needed to maintain the […]
Monthly Archives: August 2025
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Internal resistance of the car battery Internal resistance (Ri) is one of the most important indicators of the “health” of the battery. FNIRSI HRM-10 is one of the measuring devices that can give a very good idea of the condition of a battery. In short: the lower the internal resistance, […]