AutoMotive Battery

An automotive battery is a chargeable battery that provisions electric energy to an automobile. Usually, this is called an SLI, for starting, lighting, ignition, and its key purpose is to start the engine. Battery electric vehicles, however, powered by a high-voltage electric vehicle battery, frequently have an automotive battery as well, so that it can be furnished with standard automotive fixtures which are planned to run on 12V.

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Detailed Description for AutoMotive Battery

             An automotive battery is a chargeable battery that provisions electric energy to an automobile. Usually, this is called an SLI, for starting, lighting, ignition, and its key purpose is to start the engine. Battery electric vehicles, however, powered by a high-voltage electric vehicle battery, frequently have an automotive battery as well, so that it can be furnished with standard automotive fixtures which are planned to run on 12V.

 

                                                        

Design:

 

·         A positive (red) jumper cable connected to the battery post. An optional hydrometer window is visible by the single jumper clamp. (The black negative jumper clamp is not shown.)

·         Modern batteries come in two formats:

·         Sealed lead acid.

·         VRLA: also known as absorbed glass mat (AGM) batteries are more tolerant of deep discharge, but are more expensive.

·         Batteries are typically made of six galvanic cells in a series circuit. Each cell provides 2.1 volts for a total of 12.6 volts at full charge. Each cell of a lead storage battery consists of alternate plates of lead (cathode) and lead coated with lead dioxide (anode) immersed in an electrolyte of the sulphuric acid solution. A 12 V lead-storage battery consists of six cells, each producing potentials. This causes a chemical reaction that releases electrons, allowing them to flow through conductors to produce electricity.

·         As the battery discharges, the acid of the electrolyte reacts with the materials of the plates, changing their surface to lead sulphate. When the battery is recharged, the chemical reaction is reversed: the lead sulphate reforms into lead dioxide. With the plates restored to their original condition, the process may be repeated.

·         Some vehicles use other starter batteries has a lithium-ion battery as an option to save weight. Heavy vehicles may have two batteries in series for a 24V system or may have series-parallel groups of batteries supplying 24V.

·         Heat is the primary cause of battery failure as it accelerates corrosion inside the battery. A vehicle with a flat battery can be jump started by the battery of another vehicle or by a portable battery booster, after which a running engine will continue to charge the battery but it is preferable to use a battery charger. Corrosion at the battery terminals can cause electrical resistance, which can be prevented by the proper application of dielectric grease. Solation occurs when a battery is not fully charged and remains discharged.

Specifications:

·         Physical format: batteries are grouped by physical size, type and placement of the terminals, and mounting style.

·         Ampere-hours (A·h) is a measure of electrical charge that a battery can deliver. This rating is required by law in Europe.

·         Cranking amperes (CA): the amount of current a battery can provide at 32 °F (0 °C). Cold cranking amperes (CCA) is the amount of current a battery can provide at 0 °F (−18 °C).  Modern cars with computer controlled fuel-injected engines take no more than a few seconds to start and CCA figures are less important than they were in the days of carburettors.

·         In the United States, there are codes on batteries to help consumers buy a recently-produced one. When batteries are stored, they can start losing their charge.

                                       

           

 

 


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