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  • What’s the significance of the ‘float’ LED being lit on my Victron MultiPlus-II?

    Posted by Garrit on January 14, 2024 at 5:42 pm
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    Hi, I just noticed that the ‘float’ LED is on in my MultiPlus-II. Can anyone explain what float charging is and why it’s important?

    maxalight replied 5 months, 3 weeks ago 2 Members · 1 Reply
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  • maxalight

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    January 14, 2024 at 6:30 pm
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    The illumination of the ‘float’ LED on your MultiPlus-II 230V indicates that your charger has entered the float charging phase.

    Here’s what’s happening during this stage:

    • Float Charging Defined: Float charging is the final stage of the battery charging process. It comes after the bulk and absorption phases.

    • Function: In float mode, the charger supplies a small amount of current to maintain the battery at its full charge level. This compensates for the natural discharge that batteries experience.

    • Voltage Level: The voltage in this phase is lower compared to the absorption phase. It’s just enough to keep the battery full without overcharging or causing any harm.

    • Importance: This mode is crucial for maintaining the battery’s charge over extended periods, especially when it’s not being used. It ensures that the battery remains fully charged and ready to deliver power when needed.

    • Continuous Operation: Float charging can be maintained indefinitely. It’s a safe way to keep the battery connected to the charger for prolonged periods without damaging it.

    • Mains Voltage Use: The charger continues to convert AC mains voltage into the appropriate low-level DC voltage for float charging.

    So, when you see the ‘float’ LED on, it means your battery is fully charged and is being maintained at that full charge safely. This mode is particularly beneficial for extending the overall lifespan and performance of your batteries.

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