How to Check if a Car Battery is Leaking Electricity?

[AliceFitz]

To check if a car battery is leaking electricity, you can use a multimeter. Follow these steps: 1. First, turn off the car's ignition switch and wait for 5-10 minutes in a locked state to allow the car to enter a dormant mode. 2. Locate the tightening nut on the battery's negative terminal, loosen it with a wrench, and then gently pry open the tightening block with a flat-head screwdriver before pulling out the negative terminal connector. 3. Set the multimeter to the DC 10A or 20A range, connect the red probe to the car's grounding wire, and the black probe to the battery's negative terminal post. 4. Finally, observe the multimeter's reading. If the value falls within the normal range, it indicates that the car's electrical leakage is normal.