How To Drain Car Battery Fast. Draining it all the means down then charging it up again must fix the issueEvery lithium-ion battery comes with a fixed quantity of charge cycles the variety of times you deserve to charge approximately 100. What can drain a car battery when the car is off.
If the test light is lit with all accessories turned off and the doors are shut so that the dome light will not come on than you have a drain. Keeping the lights on is the most probable reason the car battery draining so fast and now the car wont start. Problem with your car van truck motorcycle or boat draining your battery over night or over a short period of timeKnown As Parasitic Drain with little.
New vehicles though accompany a feature that will alarm you if the headlights are on.
What may drain a car battery when its off however are things such as interior lights door lights or even bad fuses. On deep cycle batteries you would see Ah which is a d. Answer 1 of 5. Take the positive battery cable off your battery and using a good working 12V test light like this one attach one end of the test light to the battery and the other end to the positive battery cable.
