| Just like human body needs a heart to work, | | | | changing their surface to lead sulfate. |
| automobiles also depend on their indispensable | | | | Its different types |
| part- batteries which make them run. There are | | | | Lead acid batteries, the different construction |
| many other parts in a human body and a heart, | | | | technique depends upon the application of the |
| which can make both these bodies work but | | | | battery. The Flood cell batteries, which indicate |
| incompletely as they are the requisites. A minor | | | | liquid electrolyte are more commonly used in |
| problem can become a major problem in just no | | | | today’s time. AGM or Absorbed glass mat |
| time putting you at a lifetime risk, in both the | | | | battery is without liquid electrolytes and is |
| cases whether it’s a car or a human being. | | | | gradually gaining acceptance by the SLI users. |
| In literal words, the foremost function of an | | | | Batteries specified with SLI systems deliver a |
| Automobile Battery is to supply electrical energy | | | | heavy current and has a low degree of discharge |
| to the motor and controlling the ignition system of | | | | on each use. They constitute of many thin plates, |
| an automobile. Its main function is to provide | | | | which are separated by thin separators and have |
| power to the vehicle’s starter. Usually it is | | | | a higher specific gravity electrolyte, which reduces |
| referred to as SLI battery (starting, lightning, and | | | | internal resistance. Deep-cycle batteries have |
| ignition), it powers the motor, lights the head and | | | | fewer, thicker plates and have a greater depth of |
| tail lamps and ignites the engine. | | | | discharge on each cycle, but do not provide high |
| The three most important thing of an automotive | | | | current on heavy loads. |
| battery are: amp/hour rating, its chemistry and its | | | | Use and Maintenance |
| voltage. Automobile batteries has two terminals | | | | Batteries having lead batteries require regular |
| (+)positive and (-)negative. Battery Acid is very | | | | watering up to maintain the water amount which |
| corrosive and will eat through metal. | | | | was lost due to electrolysis on each charging |
| Automotive starter batteries are generally of | | | | cycle. More recent designs have lower water loss |
| lead-acid type provide a minimum of 12-volts. It | | | | unless overcharged. Modern car batteries do not |
| works by connecting six galvanic cells, which are | | | | need much of maintenance, and many a times do |
| in series. Each cell approximately provides 2.1 volts | | | | not provide caps for addition of water to the cells. |
| on a total of 12.6 volts. Lead-acid batteries, made | | | | These batteries have extra electrolyte above the |
| up of lead plates and separate plates of lead | | | | plates, which allows loss during the battery life. |
| oxide. These lead plates are submerged into an | | | | Batteries should be charged timely if stored to |
| electrolyte solution of about 35% sulfuric acid and | | | | retain their capacity. Stored batteries should be |
| 65% water causing a chemical reaction that as a | | | | fully charged and cleaned of corrosion deposits |
| result releases electrons, allowing them to flow | | | | and should be put in a dry environment for its |
| through conductors to produce electricity. When | | | | longevity. During winter season, a charger should |
| the battery starts discharging , the acid of the | | | | be used to keep it topped. The cables should be |
| electrolyte reacts with the materials of the plates, | | | | attached securely and vent hose routed properly. |