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A typical 12 V, 40 Ah lead-acid car battery. An automotive battery, or car battery, is a rechargeable battery that is used to start a motor vehicle.. Its main purpose is to provide an electric current to the electric-powered starting motor, which in turn starts the chemically-powered internal combustion engine that actually propels the vehicle.
In practice, it depends on the capability of the charger. The battery capacity C is expressed in Ah units, typically the C 20 value based on a 20-hour discharge time. [3] The charging current (in A units) can be written as C/t where t is a time. For example, for a battery with C = 40 Ah, a current C/10 is equal to 4 A. The charging current is a ...
The earliest electronic systems available as factory installations were vacuum tube car radios, starting in the early 1930s.The development of semiconductors after World War II greatly expanded the use of electronics in automobiles, with solid-state diodes making the automotive alternator the standard after about 1960, and the first transistorized ignition systems appearing in 1963.
The main battery is either absorbent glass mat (AGM) or enhanced flooded battery (EFB) technology, [11] both supporting an increased number of charging cycles and increased load. This is important because all the car's electrical system must be maintained by the battery after the alternator stops generating current. Often the battery will be ...
An automotive head unit, sometimes called the infotainment system, [1] is a vehicle audio component providing a unified hardware interface for the system, including screens, buttons and system controls for numerous integrated information and entertainment functions.
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Mobile players for physical media have been provided for vinyl records, 8-track tapes, cassette tapes, compact discs, and MP3s.The increased sophistication of the vehicle audio system to accommodate such media has made the audio unit a common target of car break-ins, so these are equipped with anti-theft systems too.
BuzzFeed announced a deal to sell First We Feast, the studio behind the popular YouTube chicken-wing-eating celebrity talk show “Hot Ones,” for $82.5 million in cash to a group of investors.