A battery group size is an industry-standard for car batteries that indicates the actual, physical size for a car battery (height x width x length), as well as the polarity (where the positive and negative battery posts are located on the battery). read more
An automotive battery is a rechargeable battery that supplies electrical current to a motor vehicle. Its main purpose is to feed the starter, which starts the engine. Once the engine is running, power for the car's electrical systems is supplied by the alternator. read more
Whether a car battery is flooded or dry, they're both both typically lead-acid batteries, with plates of lead and lead dioxide and electrolyte inside a polypropylene case. In an AGM battery, the electrolyte is absorbed in a glass mat separator (hence the AGM moniker). read more