rechargeable battery for starting a car engine
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 still supplied by the battery with the alternator charging as demands increase or decrease .
Battery in modern cars
Gasoline and Diesel engine
Typically, starting uses less than three percent of the battery capacity. For this reason, automotive batteries are designed to deliver maximum current for a short period of time. They are sometimes referred to as “SLI batteries” for this reason, for Starting, Lighting, and Ignition. SLI