Do stop-start engines need special batteries?
Yes, stop-start engines do require special batteries known as AGM (Absorbent Glass Mat) batteries. These batteries are designed to handle the frequent starting and stopping that is characteristic of vehicles equipped with stop-start technology.
What are AGM batteries?
AGM batteries are a type of lead-acid battery that uses a glass mat to absorb the electrolyte solution. This design allows for a higher level of resilience to the vibrations and shocks that occur in a vehicle's engine bay. AGM batteries also have a lower internal resistance, which means they can provide more power quickly - important for starting the engine in stop-start systems.
Why do stop-start engines need AGM batteries?
Stop-start engines shut off the engine when the vehicle comes to a stop to save fuel and reduce emissions. When the engine is restarted, it places additional strain on the battery. AGM batteries are better equipped to handle this strain because of their ability to deliver power quickly and efficiently. Additionally, AGM batteries have a longer cyclic life and better charge acceptance, making them ideal for stop-start applications.
Can you use a regular battery in a stop-start vehicle?
While it is technically possible to use a regular lead-acid battery in a stop-start vehicle, it is not recommended. Regular batteries are not designed to handle the frequent cycling that stop-start technology requires, and they may fail prematurely. In the long run, using a regular battery in a stop-start vehicle can lead to issues with starting the engine and could even cause damage to the vehicle's electrical system.
In conclusion
In conclusion, stop-start engines do need special batteries known as AGM batteries. These batteries are specifically designed to handle the demands of stop-start technology, providing reliable power for frequent engine starts and stops. While it is possible to use a regular battery in a stop-start vehicle, it is not ideal and can lead to performance issues in the long run. It is always recommended to use the appropriate AGM battery for a vehicle equipped with stop-start technology.
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