Like everything nowadays, the market is based on consumers doing just that, consuming. Things are not built like they used to be, they are built to get old, wear out, and break quicker than before. Now, we see things becoming quickly outdated and new versions coming out within months of its previous version. Car batteries are made to be only so good for a few years... If you are extremely lucky you can suck out a couple more years before it needs definite replacing.
Changing your car battery is a great skill to know, and for those that just don't want to take the time to learn, or the patience to do it on your own most if not all auto shops provide this service. Again, this is a quite useful basic skill to know throughout your lifetime. Say an emergency happens, you're driving through town and you pull over to get gas at the nearest gas station. When you go to start up your car, to your utmost surprise your car has trouble turning over... You only hear the "click, click, click" of the battery not having enough juice to start and have the alternator click on. Of course, the first thing you would do is begin troubleshooting.
The first thing you would have a look at is the checking the battery with the alternator. Basic knowledge of what is under the hood of your car is also not bad to have. If after troubleshooting you realize getting a new battery will be necessary then make sure to get the proper size of the battery. The last thing you need is to buy a battery that does not fit your car.
Once you have the new battery on hand prop open the hood of the car. First, you want to disconnect the negative terminal (black -- usually) It is important to loosen this port first due to the face that the positive terminal may be short-circuited and still carry an electric charge On site Car Battery Replacement .
After disconnecting both terminals it should be safe to remove the old battery from the car. At this point, you should make sure to clean off any dirt and gunk off the battery tray. Don't forget to clean off the battery terminal clamps with a brush and/or some baking soda. Let everything dry before you begin connecting the new battery. Now you can connect the negative and positive terminals to their proper locations and try to turn on the car.
Changing a car's battery does not have to be such a foreign skill. In fact, once you do it once, it becomes evidently easier. You won't have to worry about paying a mechanic or waiting for help ever again. At some point in time, you'll run into this situation and you will be glad knowing how simple the task can and will be.