![]() ![]() Yes, trickle chargers are perfectly suitable and safe to use on AGM (Absorbed Glass Mat) batteries. Be sure to let the battery rest for at least one hour before attempting to use it. Once you arrive at a higher charge rate and let it charge until the battery is completely full, you can disconnect the charger. If you aren’t sure how high it’s safe to go, you can refer to the manufacturer’s instruction manual. If the battery has had a voltage change, it’s now safe to begin charging at a higher rate. If you still don’t see a voltage change after all that, you can assume that the battery is internally damaged and should be replaced. 2 volts or lower, leave it on for another 8 hours. After this 8 hours total, check the voltage with a volt meter. If you don’t see any Voltage change after 4 hours, you may want to increase the charge rate slightly. Make sure you don’t exceed 2 amps, as that can damage the battery or cause it to take longer to charge.Īllow the battery to charge first at this low rate for about 4 hours. A low amp charger usually works best for this. Now, you want to begin the charging process at a low rate. Make sure the charger has the proper setting selected before turning it on. Next, you want to connect the charger to the battery. These two items are essential to completing the job safely. If the battery is completely dead, the first thing you need is a high-quality charger that can charge a deep cycle battery. The first step is to confirm the battery is completely dead, and that it isn’t simply deeply discharged. How do you charge a completely dead AGM battery?Ĭharging a completely dead AGM battery can be a tricky process if you don’t know what you’re doing. If you’re using a portable charger, be sure to select the AGM setting before charging your AGM battery. ![]() Some chargers also include settings specifically for AGM batteries, while others may require a manual setting to be used. You should also make sure the charger is sized correctly according to the capacity (Ah) of the AGM battery – an undersized charger may fail to properly charge or may result in longer charge times. AGM batteries require specific charging voltages and currents in order to charge properly – charged as a standard wet cell battery can lead to damage and reduce battery life.ĪGM-specific chargers are designed to supply the right kind of charging current and voltage that AGM batteries need. ![]() To charge an AGM (Absorbed Glass Mat) battery, you will need to use a charger specifically designed for AGM batteries. What kind of charger do you need to charge an AGM battery? Therefore, AGM batteries should always be charged with a charging system specifically designed for AGM batteries to get the best lifespan and performance out of the battery. Additionally, AGM batteries should be charged in a way that maintains a consistent voltage and protects it from surges.Ī regular charger will not be able to provide the required amperage and maintain a consistent voltage which is essential for AGM batteries. This requires a charging system that can put out the larger amounts of voltage and amperage that the AGM battery requires. AGM batteries can have a high charge acceptance rate, meaning they are capable of accepting a large amount of current when charging. AGM batteries are a type of lead-acid battery that requires a specific kind of charging system. No, you cannot charge a AGM (absorbed glass mat) battery with a regular charger. Can you charge a AGM battery with a normal? To ensure the best battery performance and lifespan, follow the manufacturer’s instructions and use a charger specifically designed for AGM batteries. If possible, use floated or trickle charging, which apply low current from the charger. It is important to keep the charge rate below the recommended rates for AGM batteries. In the Absorption stage, the voltage gradually decreases and maintains a consistent voltage to allow for a full charge and avoid overheating the battery.įinally, in the Float stage, the voltage is lower and applied without interruption to keep the battery at full capacity. In the Bulk stage, the charger applies a higher voltage to quickly charge the battery. This should be done in three stages: Bulk, Absorption, and Float. AGM batteries should be charged with a constant voltage charge. When charging an AGM battery, be sure to use a smart charger or a charger specially designed for AGM batteries. ![]() These batteries require special charging techniques to maximize lifecycle and performance. AGM batteries are types of VRLA (Valve Regulated Lead-Acid) batteries that have a glass mat separator between the lead plates. Yes, there is a special way to charge an AGM (Absorbent Glass Mat) battery. ![]()
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