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     what is aN AGM battery?

     

    A GUIDE TO AGM, VRLA & SLA BATTERIES

    1. What is the difference between a VRLA and AGM battery?

    Often, you will see the letters "VRLA" marked on the casing of sealed lead acid batteries. "VRLA" stands for "Valve Regulated Lead Acid". In other words, the battery contains a valve which regulates energy production, meaning the battery does not require acid filling. VRLA batteries are also commonly referred to as sealed lead acid batteries (SLA batteries) or maintenance-free batteries.  

     

    AGM (Absorbent Glass Mat) batteries are a specific type of lead acid battery. AGM batteries contain fine fiberglass mat which absorbs the sulfuric acid contained within the battery, making it spill-proof.

     

    Under normal operating conditions, AGM batteries use individual cell valve design and glass mat plate separation to ensure gas recombination occurs and prevents water from being lost, therefore eliminating the need for electrolyte reservoirs. 

     

    AGM technology guarantees a sealed, spill-proof battery with no risk of acid leakage or other related problems. The AGM "sandwich construction" also improves vibration resistance

     

    2. What are the advantages of AGM batteries? 

     

    Advice

    Every technology has advantages and disadvantages, which is why it is important to take your application and device into consideration before choosing a sealed lead acid battery. There are as many batteries as devices and a suitable battery for every application. 

     

    Advantages Disadvantages

    • Ideal for use in float charge (permanent charge)

    • Maintenance-free thanks to a gas recombination system

    • Low-polluting technology: 99% of lead can be recycled

    • Affordable price for a high capacity battery

    • Robust technology: excellent resistance to overcharging



    • Not suitable for cycle use

    • Certain models should not be fully discharged: if discharge is repetitive, battery life is reduced. 

    • Charging needs to be accurate in order to avoid overchargfing and optimise battery life. 

     

    3. What types of battery use AGM technology? 

     

    Three different types of battery use AGM technology: AGM standby batteries, AGM starter batteries and deep discharge AGM batteries. Discover the different applications for these batteries and the products available on the AllBatteries website

     

     

    Type Applications Website
    AGM Standby Battery / Float Charge
    UPS Battery
    Alarm Battery
    Electric wheelchair battery
    Lead Acid Battery
    AGM Battery
    AGM Starter Battery
    Traction Battery
    Car battery with StartStop technology
    OPTIMA Battery
    Deep Discharge AGM Battery
    Scrubber Dryer Battery
    Solar Battery
    Golf Battery
    NX Power DEEP CYCLE

     

    4. AGM battery applications

    - AGM batteries are ideal for standby use: in float charge (permanent charge) and installed in a UPS (Uninterruptible Power Supply). In the event of a power cut, your AGM battery will take over and guarantee the emergency power supply of your electronic devices. 

    Depending on your requirements, it may be important to take the following elements into account:
       * AGM battery life expectancy: 10 years.
       * Value for money: choose a deep discharge AGM battery from the NX Deep CYCLE Range.

     

    Advice

    In order to help you choose the best technology possible for your application, we have created a comparative table containing the different technologies and their different properties to help you decide. 

      

     Discover our full range of AGM batteries

      

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