An automotive battery is a type of rechargeable battery that supplies electric energy to your 2009 Volkswagen Tiguan SEL 2.0T 4Motion. Usually this refers to an battery to power the starter motor, the lights, and theignition system of your 2009 Volkswagen Tiguan SEL 2.0T 4Motion engine.
Automotive batteries are usually lead-acid type, and are made of sixgalvanic cells in series to provide a 12-volt system. Each cell provides 2.1 volts for a total of 12.6 volts at full charge. Heavy vehicles often equipped with diesel engines, may have two batteries in series for doubled system or may have parallel strings of batteries.
Lead-acid batteries are made up of plates of lead and separate plates oflead dioxide, which are submerged into an electrolyte solution of about 38% sulfuric acid and 62% water.This causes a chemical reaction that release selectrons, allowing them to flow through conductors to produce electricity. As the 2009 Volkswagen Tiguan SEL 2.0T 4Motion battery discharges, the acid of the electrolyte reacts with the materials of the plates, changing their surface to lead sulfate. When the battery is recharged, the chemical reaction is reversed: the lead sulfate reforms into lead dioxide and lead. With the plates restored to their original condition, the process may now be repeated.
Battery recycling of 2009 Volkswagen Tiguan SEL 2.0T 4Motion batteries reduces the need for resources required for manufacture of new batteries, diverts toxic lead from landfills, and prevents risk of improper disposal.
A lead acid battery goes through three life phases, called formatting, peak and decline . In the formatting phase, try to imagine sponge-like lead plates that are being exposed to a liquid. Exercising the plates allows the absorption of more liquid, much like squeezing and releasing a sponge. This enables the electrolyte to better fill the usable areas, an exercise that increases the capacity.
Formatting is most important for deep-cycle batteries and requires 20 to 50 full cycles to reach peak capacity. Field usage achieves this. There is no need to apply added cycles for the sake of priming; however, manufacturers recommend to go easy on the battery until broken in. Starter batteries are less critical and do not need priming; the full cranking power is present right from the beginning, although the reading will go up slightly with early use.
Some applications allow lower capacity thresholds but the time for retirement should not fall below 50 percent because the aging occurs rapidly once the 2009 Volkswagen Tiguan SEL 2.0T 4Motion battery is past its prime. Apply a fully saturated charge of 14 to 16 hours. Operating at moderate temperatures assure the longest service times. If at all possible, avoid deep discharges; charge more often.
The primary reason for the relatively short cycle life of a lead acid battery is depletion of the active material. Nowadays plate-related breakdown has increased from 30 percent five years ago to 39 percent. The report does not give reasons for the increased wear-and-tear, other than to assume that higher demands of starter batteries of 2009 Volkswagen Tiguan SEL 2.0T 4Motion in modern cars induce added stress.
While the depletion of the active material is well understood and can be calculated, a lead acid battery suffers from other infirmities long before grid-deterioration sound the death knell. The following articles address the most common problems that develop with use and time and what battery users can do to minimize the effect.
Will your check engine light go on if your 2009 Volkswagen Tiguan SEL 2.0T 4Motion battery is about to die?
The reason why the car wouldn’t start but the lights are able to turn on. When you bring it to the mechanic.you check everything and you may be just need a new battery.
If it was just the battery, shouldn’t the light not have worked?No your check-engine light won’t go on if your 2009 Volkswagen Tiguan SEL 2.0T 4Motion battery is about to die. Your “Volts/Amps” or “Battery” light may.and also your bad battery has enough power for the lights and some other small equipment, but not enough to start the car. A bad 2009 Volkswagen Tiguan SEL 2.0T 4Motionbattery is not completely dead, just dead enough. Replace your battery.

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