• Victron Connect App

  What is ‘Repeated Absorption Interval’ setting in VictronConnect using MP-II?

  Posted by Xamira on January 23, 2024 at 5:27 am

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  In my VictronConnect charger settings(after connecting my Multiplus-II to my computer, using the MK3 USB interface device), I noticed a parameter called ‘Repeated Absorption Interval.’ Could you explain what this setting does and how I should determine the appropriate interval for my system?

  Grippe replied 5 months, 1 week ago 2 Members · 1 Reply
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  Grippe

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  January 24, 2024 at 6:03 am

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  The ‘Repeated Absorption Interval‘ setting in the ‘Charger‘ section of VictronConnect controls the frequency at which your charger re-enters the absorption phase during a prolonged charging process.

  Function:

  • After a full charging cycle, a battery might not always maintain its peak capacity due to self-discharge or slight inefficiencies in the charging process.

  • The ‘Repeated Absorption Interval‘ is a feature designed to top off the battery charge periodically by temporarily returning to the absorption voltage.

  Purpose:

  • The primary goal is to ensure the battery remains fully charged over time, compensating for any natural discharge or load on the system that might cause the battery’s state of charge to dip below optimal levels.

  Setting the Interval:

  • The interval you set will depend on several factors, including the type of battery, its self-discharge rate, and how often the battery is cycled. For example, some systems may benefit from a repeated absorption phase every week (7 days), while others may require it less frequently.

  Usage Tips:

  • Consult Manufacturer: Check your battery manufacturer’s guidelines; some will provide specific advice on maintaining optimum charge levels.

  • Observe Battery Behavior: Monitor your battery’s performance. If you notice that it tends to drop below the desired state of charge too quickly, you might want to set a more frequent repeated absorption interval.

  • Consider System Usage: If your system experiences irregular charging patterns or frequent deep discharges, more frequent repeated absorption might help maintain battery health.

  • Be Cautious: Overdoing the repeated absorption can lead to overcharging, especially if the battery does not need it, potentially reducing the battery life due to excessive gassing or heat.

  In practice, setting the ‘Repeated Absorption Interval’ is about finding the right balance for your system’s needs and the particular characteristics of your batteries. Adjusting this setting can help ensure that your batteries remain in a fully charged state, ready to deliver power when needed.

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