Most cars use flooded lead-acid batteries to start the engine and power peripheral electronics inside the vehicle, such as lights and speakers. This type of vehicle battery is actually one of the oldest designs still in use, dating back over 150 years. Lead acid batteries are easy to recharge, but they contain volatile chemicals and release fumes and gases when overcharged. Absorbed glass mat (AGM) batteries offer several advantages over traditional flooded lead-acid batteries. To learn about the properties and uses of AGM batteries, read on.
How AGM Batteries Work
Flooded cell batteries are filled with water and a liquid electrolyte, which contains sulfuric acid. An AGM battery, on the other hand, contains much less liquid because the electrolyte is suspended in a fiberglass mat that separates the metal plates. Lead acid batteries can easily spill their fluid, which is a very corrosive pollutant, while AGM batteries can’t.
AGM batteries are much lighter than flooded batteries, so they help reduce a car’s overall weight. Also, since they do not contain a liquid electrolyte, they do not spill battery acid when subjected to a variety of forces such as stopping, accelerating, and rapid cornering. Also, AGM batteries do not emit acid fumes under routine conditions, making them safer to use in enclosed areas.
Because they are more vibration-resistant, AGM batteries are ideal for high performance vehicles such as race cars and sports cars. Many modern motorcycles also use AGM batteries because they are spill-proof and can be mounted at any angle. They are also ideal for vehicles that remain in storage for long periods of time, as they do not lose charge as rapidly as wet-cell batteries when left unused.
If you live in the Woburn or Winchester area and you would like to install an AGM battery in your vehicle, call (781) 932-0076 to speak with Battery Pros. We can help you select the right type of battery for any application, from vehicles to laptops and other small, portable electronics.