Absorbent Glass Mat (AGM) Batteries
AGM batteries are a trusted choice for off-grid solar systems, backup power, and RVs. With sealed, maintenance-free designs and dependable deep cycle performance, AGM batteries are a simple and reliable storage solution.
AGM batteries excel in cold climates because they can charge at very low temperatures.
Explore 12V and 48V AGM solar batteries from top brands.
AGM Batteries for Solar: A Reliable, Maintenance-Free Storage Solution
AGM batteries are a sealed, maintenance-free energy storage solution. They are well-suited for fully self-sufficient off-grid systems, as well as battery backup for grid-tied homes and offices.
AGM batteries work by absorbing the electrolyte into a fiberglass mat on the bottom of the battery. Compared to flooded batteries, the design reduces the risk of spillage and makes them resistant to vibration and shock, making them a compelling option for RVs and mobile home projects.
In recent years, AGM has fallen out of favor as lithium batteries have become more popular. But there's still one situation where AGM batteries shine, and that is their endurance in very cold temperatures.
Made for Extreme Cold
AGM batteries can charge and operate at much lower temperatures, making them the go-to pick in frigid environments. If your goal is to keep the battery bank running through snowy winters, AGM batteries deserve strong consideration.
Lithium can be insulated, but they struggle to keep up below 0 degrees Fahrenheit, even with help of internal battery warmers.
Learn more about AGM batteries below, or reach out to us with any questions about designing an AGM battery bank - we're happy to help.
Frequently Asked Questions About AGM Batteries
A: AGM (Absorbent Glass Mat) deep cycle battery is a type of lead-acid battery designed to provide a steady and reliable supply of power over an extended period of time. It is commonly used in applications that require a continuous flow of electricity, such as solar power systems, boats, and RVs.
A: An AGM deep cycle battery works by using a chemical reaction between lead and sulfuric acid to produce electrical energy. Unlike traditional lead-acid batteries, the electrolyte in an AGM battery is absorbed into a fiberglass mat, which reduces the risk of spillage and makes it more resistant to vibration and shock.
A: AGM deep cycle batteries have several advantages over traditional lead-acid batteries, including a longer lifespan, faster charging time, lower self-discharge rate, and increased resistance to vibration and shock. They also require less maintenance and are less prone to leakage, making them safer and more environmentally friendly.
A: AGM deep cycle batteries have a higher upfront cost compared to traditional lead-acid batteries. They also have a lower capacity and are less efficient at providing high current loads than some other battery types, such as lithium-ion batteries.
A: The lifespan of an AGM deep cycle battery can vary depending on the frequency and depth of discharge, temperature, and other factors. Generally, an AGM deep cycle battery can last anywhere from 3 to 8 years with proper maintenance.
A: To maintain an AGM deep cycle battery, it is important to avoid overcharging or undercharging the battery, keep it clean and dry, and store it in a cool, dry place when not in use. It is also recommended to periodically check the battery's voltage and electrolyte levels and to recharge the battery before it reaches a low state of charge.
A: Yes, AGM deep cycle batteries can be used in cold temperatures, but their performance may be affected. To optimize performance in cold temperatures, it is recommended to keep the battery fully charged and to use a battery heater or insulation to help maintain a consistent temperature.
A: AGM deep cycle batteries are not designed for starting engines and may not provide the necessary cranking power. For starting engines, it is recommended to use a starting battery or a dual-purpose battery that is specifically designed for both starting and deep cycling applications.
A: Yes, AGM deep cycle batteries can be connected in both parallel and series configurations to increase voltage or capacity. However, it is important to use batteries of the same age, type, and capacity and to follow proper wiring and safety guidelines to prevent overloading or short circuits.
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