Saturday, 26 December 2020

Battery testing and charging system quick test

Click on Ebay UK here to buy a good Multimeter

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I usually measure the voltage with my multimeter set to min - max and the turn the key over and test battery under one of the bikes main electrical load conditions when the starter motor is operating.

If the multimeter hits 10v or below on its minimum and 14.00v on its highest it proves the battery is good as the battery is to dropping below 10v under load and its reaching 14v on highest reading so it charging well too.

If you battery drops below 10v is probably time to replace it and it is not reaching 14v its only reaching 12.0v- 12.9v it shows the charging system is not functioning correctly.

see video below of me doing this on a car.

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