Will Phone Chargers Drain a Car Battery?

Will Phone Chargers Drain a Car Battery?

If your laptop or cell phone battery is draining your car’s battery, the chances are it is suffering from a problem with a USB port on your vehicle. While it can be fixed, the battery life will be severely affected and you will need to buy a new unit to keep working. Here is how to diagnose and repair a car’s USB port connection.

The most common cause of this problem is a faulty charging port. When a port is faulty it will prevent the battery from being able to properly charge. There are a number of different chargers designed for use with different types of batteries. Before purchasing a new one it will be important to check the port to see if it is causing the issue. The best way to do this is to open up the car’s hood and check the connection to see if it is properly connected to the cigarette lighter.

If you find that the cigarette lighter is to blame, your car’s battery should be replaced by a professional who specializes in charging ports. You can find a special installer at any electrical retailer or appliance store. In most cases, you will also be able to purchase a new charger at the same store. You may be able to get a discount if you purchase the phone charger through the same retailer as the original charger.

If you are not able to find the source of the problem there are a few things you can try before making your car purchase. For instance, have a friend open the car’s hood and connect a meter to the cigarette lighter. When the meter shows a charging balance, the phone charger may be the culprit.

It is also possible that the phone charger could be leaking or disconnected from your car’s electrical system. You will need to replace the phone charger with a new one and reconnect the car’s battery. Be sure to use the exact same type and year of phone charger that came with your vehicle. This will ensure that your vehicle will work with the new charger.

Will phone chargers drain a car’s battery? If you’re like most people, the answer is a resounding no. Purchase a high quality charger designed for your specific battery to avoid this expense and protect the life of your phone. With a little maintenance and some occasional use, your battery will stay in great condition and will be ready to make its next call.


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