What Causes a Car Battery to Die?


What Causes a Car Battery to Die?What a pain it can be to jump in your car only to have the engine not turn over when you turn the key. Chances are you have a dead battery as the car battery is necessary to get the engine started. It is recharged by the alternator during vehicle operation, but can die for a variety of issues. Here are five of the most common reasons that you may experience a dead battery in your car.

Leaving Lights On

One of the most common reasons that your battery may die is if you leave the lights on when the engine is not running. It is the alternators job to power lights and other accessories while the engine is running, but when the engine is off, the battery must do this, and has limited electrical power to do it.

Running Accessories

A number of accessories utilize electrical power that can drain the battery if they are used with the key on but the engine off. This includes the radio, air conditioning, electrical charging sources and interior lights. Regarding the last item, leaving a door ajar or the trunk popped could result in the battery draining due to lights being left on unintentionally.

Bad Alternator

The alternator is what charges the battery during the operation of the engine. If the alternator fails, which it can and often will do after many miles on the road, the battery will be drained while trying to take over the operations of the alternator, such as keep the lights on and radio playing.

Stuck Relay

Electrical systems in your vehicle utilize relay systems to turn items on and off. If a relay gets stuck in the on position it can cause the device to run, even when the car is off, which can not only drain the battery, but damage the part further.

Battery End of Life

Just like the batteries in your TV remote, car batteries can and will die. Depending on the type of battery in your car it could last anywhere from two to five years or more.

If you need a European car battery in Tacoma head to Autobahn Specialists. We can replace car batteries for all German, English, Italian and Swedish vehicles. To learn more about our European auto repair shop in Tacoma don't hesitate to get in touch with us. We are available Monday through Friday at (253) 235-0904 to schedule an appointment for professional European auto repair.

Autobahn Specialists Inc. Blog

Written and Published By MORBiZ

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