• Multiplus-II Configuration & Setup

  What Determines the Absorption Time in MultiPlus-II’s Charging Algorithm?

  Posted by Roxel on January 16, 2024 at 8:03 am

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  I’m trying to understand how the absorption time is calculated in my MultiPlus-II 230V’s ‘Four-stage adaptive with BatterySafe mode’. How does the inverter decide the optimal absorption time for charging my batteries?

  Laziath replied 5 months, 2 weeks ago 2 Members · 1 Reply
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  Laziath

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  January 16, 2024 at 11:58 am

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  The absorption time in the MultiPlus-II 230V’s ‘Four-stage adaptive with BatterySafe mode’ is a dynamic value rather than a fixed one.

  It’s intelligently determined based on the duration of the preceding bulk charging phase. Essentially, the absorption time adjusts according to how depleted the battery was at the start of the charge cycle.

  Here’s how it works:

  • If the bulk charge time was short, indicating that the battery was only slightly discharged, the absorption time will be correspondingly brief to prevent overcharging.

  • Conversely, if the bulk phase took longer, implying a more deeply discharged battery, the absorption time will extend to ensure the battery cells are fully and properly charged.

  This adaptive approach ensures that the battery receives the precise amount of charge needed to reach full capacity without causing stress or overheating, which can extend the overall lifespan of your batteries.

  The charger monitors the battery voltage and current throughout the charging process, and once the absorption voltage is maintained for the appropriate duration determined by the adaptive charge curve, it will shift to the float stage to maintain the charge.

  This smart charging technique, tailored to the battery’s needs, promotes better battery health and efficiency over time.

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