Car Battery Drain Test
Made to trouble shoot electrical problems it will give a numbered read out of the state of your battery.
Car battery drain test. A typical car battery will drain in 2 3 weeks and be unable to start your car due to the parasitic draw from the car s electronics. Electric devices like timed and dimming dome lights can stay awake and produce excessive drain on the battery for up to 10 minutes. If you don t have one you can buy a useful multimeter for around 20 dollars. Fitted with red and.
1 car battery drain test. The engine of your car may not work if the discharge of the battery in your car happens at a faster rate. The amperage battery drain test. A multi meter device measures electric current sometimes resistance and voltage.
Battery was only a year old but this confirmed the culprit was not any drain on the battery while the car was parked. 1 2 step 2 find out the reason and stop it. Parasitic battery drain is a common problem in all computer equipped devices. Now that we have verified that the battery is experiencing a parasitic draw we can move to exploring the different reasons and parts that can be pulling on your car s battery.
Problem with your car van truck motorcycle or boat draining your battery over night or over a short period of time known as parasitic drain with little. Don t pay a mechanic. Also the reminder about switching the plugs to 10a or 20a to keep from frying your multimeter was much appreciated. The first three tests require the use of a digital multimeter.
Stop the battery draining. Scroll down to learn how to test the battery for parasitic drain. With the negative terminal disconnected a healthy car battery will self discharge at 5 per month. Look for other reasons.
And you don t need to have much experience in car repair to apply any. Need fully charged the battery. Spotting the faulty circuits. To do this startup your car and let it run for at least 10 minutes.
Is something draining your car s battery. Make sure your battery is fully charged before you start. 1 1 step 1 testing the battery. Unplug any unnecessary accessories like a gps phone charger any other cigarette lighter item amplifier for speaker system subwoofer etc.
The car battery hydrometer test. Connect the amp meter to the battery. The bad alternator diode test. Other things can cause a car not to start.
Car battery drain test.