Thread: Battery drain
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Old 22nd September 2021, 22:12   #3
edwardmk
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Quote:
Originally Posted by boater View Post
I think you need to wait longer than a couple of minutes - more like 30 mins for everything to shut down and then expect a reading of approx 30/50 mA. This is the current needed to keep the alarm system awake and the clock operating etc.

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Agree that it must be thirty minutes minimum wait. Also, bonnet switch must be engaged and the car locked. Good videos on YouTube about the best ways to determine the true parasitic drain. Make sure your current monitoring meter is fused properly. I once forgot my ammeter was the only connection to the battery and unlocked the car. Resulting current surge destroyed the 10a range on that meter. It was a cheap meter fortunately.
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