Take an electrical tester and insert it in holes in ... A faulty or damaged laptop charger charges your laptop battery slowly. However, in this case, the problem may also be with your laptop ...

You can also use a third-party tool or software to test your laptop ... If the charger charges another laptop, the charger is not damaged. When we charge a laptop battery, a battery indicator ...

If you have a laptop, there's a good chance it came with a proprietary charger. But if you forget to pack the cord before traveling, or it gets damaged, you can run into the issue of a dying ...