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Guide To Understanding Car Batteries

A car battery is a lead-acid battery that supplies power to a car. It is usually housed in the trunk or under the car, and is there to start the engine. A used car batteries typically has a lifespan of between 3 and 6 years, but can last up to 10 years with proper care.

There are basically three types of batteries: lead-acid, nickel-cadmium, and lithium ion.

Lead-acid batteries are the most common type and are used in cars, RVs, and other small appliances. They need to be regularly charged and can occasionally leak acid.

Nickel-cadmium batteries are used in some laptops and other electronics. They don’t need to be regularly charged but can sometimes overheat and catch on fire.

Lithium ion batteries are becoming more common because they last much longer than lead-acid or nickel-cadmium batteries and don’t overheat or catch on fire.

If you are like most people, your car battery probably isn't going to last forever. In fact, according to studies, car batteries typically last between 3 and 5 years. So, it's time to start thinking about what to do with an old car battery. 

Before you decide to just toss the old battery in the trash, test it first. If it's still good and has enough power, you can keep it for reuse. But if the battery is bad or doesn't have much power left, you'll want to replace it.