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  • Multiplus-II Configuration & Setup

    What is Equalization Mode in MultiPlus-II and How Does It Work?

    Posted by Phoenix on January 16, 2024 at 7:10 am
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    I’ve heard about the Equalization mode in the MultiPlus-II, especially for traction batteries. Can someone explain what this mode does and how it’s different from normal charging?

    Nexus replied 1 year, 3 months ago 2 Members · 1 Reply
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  • Nexus

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    January 16, 2024 at 11:27 am
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    Equalization mode in the MultiPlus-II is a specific charging process designed primarily for traction batteries, which require periodic overcharging to maintain their health and efficiency.

    In this mode, the MultiPlus-II increases the charging voltage above the standard absorption level (1V higher for a 12V battery and 2V higher for a 24V battery) and maintains this increased voltage for approximately one hour.

    Concurrently, the charging current is restricted to 25% of the set maximum value. This controlled overcharging helps in equalizing the charge across all battery cells, mitigating sulfation and stratification issues that commonly afflict lead-acid batteries.

    Note that the elevated voltage in equalization mode may exceed the tolerance of many DC-powered devices, necessitating their disconnection from the system during this charging phase.

    The ‘bulk’ and ‘absorption’ LEDs on the MultiPlus-II will flash intermittently to indicate that the system is in equalization mode.

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