![]() AGM batteries (absorbent glass mat) are a type of sealed lead-acid batteries, which are known for their increased durability and vibration-resistance. Yes, AGM batteries require a special charger. They also require some specialized maintenance and care, such as keeping an eye on the electrolyte levels and ensuring proper ventilation. AGM batteries are also more sensitive to heat, so they require a lower charge rate than other batteries.Īdditionally, AGM batteries are more expensive than other lead acid batteries, which can be a financial burden for those that must purchase them. The main disadvantage of an AGM battery is that they are less tolerant of overcharging or extended periods of self-discharging than other types of lead acid batteries. What is the main disadvantage of an AGM battery? Although the upfront cost is usually higher for the AGM batteries, their much longer lifespan usually makes them the more cost effective option in the long run. ![]() Overall, AGM batteries will typically have a much longer lifespan than regular batteries and require less maintenance over the life of the battery. Due to the design, traditional batteries are more likely to develop sediment on the lead plates, resulting in shorter life and lower performance.Īdditionally, water loss requires more frequent maintenance and the battery can only be installed in a certain position. Regular batteries use a traditional lead-based mixture for the separator material, and this design presents several issues. Additionally, this design provides better cranking performance, minimizes water loss, resulting in a less frequent need for watering, and enables the battery to be installed in any position- such as upright or sideways. ![]() This material provides a much more efficient storage of the sulfuric acid and helps minimize stratification of the electrolyte and excessive shedding of sediment. An AGM battery uses a porous glass or fiberglass mat separator which is saturated with a sulfuric acid electrolyte. The main difference between an AGM (Absorbed Glass Mat) battery and a regular battery lies in the design of the battery and the material used inside. What is the difference between a AGM battery and a regular battery? Overall, AGM batteries are much more expensive than the conventional wet cell batteries, however, they are much more reliable and require much less maintenance. In addition, AGM batteries are also able to provide higher cranking power and have a much lower self-discharge rate. The electrolyte in this type of battery is held in a glass mat, which is much more durable than the liquid-filled battery, and also has a longer shelf life. On the other hand, a 12 volt AGM battery is a valve regulated lead acid (VRLA) battery which is sealed and has a design that allows it to be used in any position (even upside down). This type of battery typically requires maintenance and carries the risk of spillage. A 12 volt battery is a wet cell battery, which consists of liquid electrolyte, allowing electrical current to flow through it. The primary difference between a 12 volt battery and a 12 volt AGM (Absorbent Glass Mat) battery lies in the design of their construction. What’s the difference between 12 volt and 12 volt AGM? For example, AGM batteries usually require a slow charge rate of 0-10 amps, while other lead acid batteries usually require charging rates of 15-50 amps. AGM batteries typically have different maintenance and charging parameters than regular lead acid batteries. You can also check the warranty and maintenance specifications of the battery. If you look inside the battery, you should be able to see these indoor construction features. AGM batteries are usually constructed with thin plates that are wound into spiral goes and separated by glass fibers or polypropylene mats. You can also check the battery’s construction. AGM batteries often have a greater tolerance for deep discharges, so if your battery can withstand a deep discharge of an electric vehicle, chances are it is AGM. How do I know if my battery is AGM?įirst, you can look for a label on the battery that indicates it is an AGM battery. 12V AGM batteries are often chosen for applications that require high energy density and cycle life, such as UPS systems, solar power systems, telecommunications and mobile medical equipment. Secondly, they require little to no maintenance and can be stored longer than traditional flooded lead-acid designs.įinally, their sealed design makes them spill-proof and they can also handle overcharging and deep discharging better than flooded lead-acid batteries. AGM batteries come in a range of sizes and capacities, and they offer several advantages over traditional flooded lead-acid batteries.įirstly, the AGM design offers superior resistance to vibration, which makes them ideal for automotive, marine and other applications. A 12V AGM battery is a type of sealed lead-acid (SLA) battery, which uses an advanced Absorbed Glass Mat (AGM) design.
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