Battery For Your Car. There are several types of battery techonologies available including standard flooded absorbent glass mat agm and optima spiralcell. The purpose of a car battery is to power the starter motor and to provide electricity to run accessories like lights and your radio when the engine is off. This charging test can also be performed with a dc volt meter or multimeter.
How you use your vehicle electrical accessories driving habits and climate influence what battery technology is best for you. Some batteries may be located in the trunk under the floorboard or even tucked away out of sight behind a wheel well.
Once the engine is running the charging system takes over.
The best car battery works by providing a jolt of electricity that powers your vehicle s electrical components. You do not want a battery that has already lost a good portion of its service life sitting on a shelf. If your battery and alternator are good it should read between 14 2 and 14 5 volts. When your car needs a new battery always purchase one from a high volume seller with fresh stock.
