How Does Car Battery Work?

We all know that a car battery ignites the engine and makes the movement possible. Not just the engine but other vehicle parts like spark plugs, glow plugs, lights, and other electronic applications need electricity to work. This is the basic information everyone should know. Ever wondered how exactly a car battery works? Well, here we have answers to all your questions related to the car batteries.

Have a look at this article and your curiosity will end here.

The structure and mechanism of a car battery

  • The car battery is a rechargeable one. Along with the battery, vehicles come with a charging system so the battery keeps on charging and never breaks down.
  • Several pairs of lead plates immersed in a combination of sulphuric acid and distilled water are present in the battery. Some of these plates are connected to the terminals. An extra amount of lead is deposited on one set of plates. This happens when a chemical reaction is caused due to electricity.
  • The lead deposited on the plates melts off when electricity from the battery is passed, as a result of which electric current is produced.
  • The cars of modern times have a moderator for charging the battery. The moderator is driven by a belt that runs from the engine. The same work is done by a dynamo in older cars.
  • A small amount of electricity is passed through the rotor, which is an electromagnet. It revolves around the stator.
  • A stator is a non-moving set of wire coil windings. When the rotor moves inside the stator, it produces an ample amount of electricity inside the stator coils.
  • The current produced in this mechanism is alternating current (AC). The direction of this current keeps changing backward and forward every time the rotor turns. For the current to move in one direction, it needs to be converted to the direct current (DC).

How to know about the battery status?

The dashboard consists of a warning light that glows when the battery is not being charged appropriately. A battery-condition indicator tells you the charging state of the battery.

Working of the alternator

The battery and the alternator team up to provide electricity to the vehicle. The current conducted from an alternator is Direct current. When the alternator pulley starts to rotate, alternating current passes through a magnetic field and current id generated. This current is further converted to Direct current through a rectifier.

The car battery may leave you stranded on the road if you do not pay proper attention to it. Just like the other parts, a car battery also needs care. You should get the Battery Repair Newcastle done in time. Certain tips can help you prolong the battery life of your car.

  • The battery should be placed on its location: Always make sure that the battery is tightly and firmly placed at its place. If it’s loose and keeps moving inside the engine bay, a short circuit may occur. This will damage the battery along with other vehicle components.
  • Terminals should be disconnected for longer parking periods: Connected terminals drain the battery even if your engine is off. If you decide to go out of town or leave the car parked for some reason, it is best to disconnect the terminals. The slow discharge may damage the battery.
  • Keep checking the water level: The car battery requires distilled water to react with the acid. After some time, the water level goes down. It is important to keep the water level up to avoid corrosion. This will impact your battery life to a great extent.

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