Asked by: Tiny Schutzelautomotive road side assistance
How many milliamps should a car draw when off?
Last Updated: 3rd May, 2020
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Likewise, people ask, how many amps is considered a parasitic draw?
After sitting for a few hours, the parasiticdrawcame down to 20 milliamps (.020) amps.
One may also ask, what is the average amperage of a car battery? An average car battery has a capacity of around48amp hours which means that, fully charged, it delivers 1 amp for48hours, 2 amps for 24 hours, 8 amps for 6 hours andsoon.
Regarding this, what is an acceptable battery draw?
In fact, we suggest a 25-milliamp draw isnormaland anything that exceeds 100-milliamps indicates anelectricalissue that needs to be addressed.
What can drain a car battery when the car is off?
The most common causes of parasitic drainareunder hood lights, trunk lights, headlights or glove boxlightsthat do not turn off when the door is closed.Relayswitches that are stuck in the “on” positioncanalso cause a battery to drain. Alternatorswith baddiodes can cause battery drain.