Selecting between FLA or AGM deep cycle batteries ultimately depends on the type of use and the capability to provide regular maintenance in the application.ĪGM = No Maintenance + Higher Cost + Susceptible to abuse like overchargingįLA = Requires Watering + Lower Cost + Susceptible to abuse from poor maintenance Also, since the battery is sealed and does not emit gases in normal use, it can be used in sensitive areas such as food or pharmaceutical storage facilities. Even though AGM batteries cost more per watt-hour, the elimination of maintenance costs reduces the overall battery operational costs. This can be significant in applications where regular maintenance is difficult or costly, such as when the batteries are located in remote or hard to access locations. “Also, both FLA and AGM batteries offer an environmental advantage over other types of batteries because they are essentially 100 percent recyclable and enjoy the highest recycling rate of any commercial product.”ĪGM batteries offer the advantage of being maintenance-free. “This is why they are the best choice for fleets of vehicles or equipment that are used heavily on a daily basis,” says Wehmeyer. Battery Senior VP of Engineering, FLA batteries deliver the lowest cost per watt-hour both in acquisition cost and in overall cost per charge/discharge cycle. Their popularity comes from their safety, reliability, and cost-effectiveness when compared with other types of rechargeable batteries. This eliminates the need to add water and also allows the battery to be sealed with a one-way valve that prevents leakage of the electrolyte.įLA batteries have been used in a wide variety of applications for well over 150 years. In normal operation, hydrogen is not generated and no water is lost.
#Are agm batteries better free
Since there is no free electrolyte, the oxygen generated on a charge is recombined at the negative plate. In AGM batteries, the electrolyte is absorbed in special glass mat separators that retain all the electrolyte needed for the life of the battery. This requires regular additions of water to be replaced to keep the battery plates fully submerged in the electrolyte. During use, water in the electrolyte is broken down into oxygen and hydrogen gases and water is lost. In FLA batteries, the battery plates are submerged in the liquid electrolyte.
The main design difference between FLA and AGM batteries is how the electrolyte is managed. While both provide optimum performance in a wide variety of applications, their design difference can offer various advantages depending on the application.
Over the years, there have been two main types of deep-cycle lead-acid batteries that many golf car owners and fleets have used, the Flooded Lead-Acid (FLA) battery and the Absorbed Glass Mat (AGM) battery. The reason is that they are designed to provide the most cost-effective energy storage and delivery over the life of the battery. When it comes to powering electric vehicles like golf carts, deep-cycle lead-acid batteries are the industry standard.
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