Car batteries are one of the most important components of any vehicle, yet for some reason, they are often overlooked. Your car needs the electrical charge it gets from the battery to start the engine, which is why you should always be aware of the age and status of the battery in your vehicle. It can be a major inconvenience if you go to start your car one day only to find that the old battery has lost its charge. To help you avoid this issue, and to get the most out of your battery during its natural lifespan, take a look at some of the guidelines below that will help you determine when it is time to change your old car battery.