WHAT DOES RESERVE CAPACITY MEAN?

RC IN MIN - TECHNICAL TERMS EXPLAINED SIMPLY

The reserve capacity is the capacity reserve that the battery can supply within minutes in the event that the alternator fails, there may be just enough power for you to get to the nearest garage. However, it depends on the electrical consumers in the car.

IEC (International Electrotechnical Commission) schedules the following test:

Discharge with 25A up to a final voltage of 10.5V at a temperature of 27 °C. (5.25V with a 6V battery)

 

Time measured in minutes = Reserve capacity

 

25A is the typical electrical load for a car under normal operating conditions. In this way, the reserve capacity provides information on how long a vehicle can continue driving with a normal electrical load and a defective alternator or broken V-belt.

 

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The more electrical consumers you switch off, the further you’ll be able to drive the car, of course.

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