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The ‘Charger’ section within the VictronConnect app is dedicated to configuring the charging parameters of your MultiPlus inverter/charger. These settings provide detailed control over how your MultiPlus charges connected batteries, ensuring safety, efficiency, and longevity of the battery bank. Here’s a breakdown of each setting within this section:
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Enable charger: This toggle switch allows you to enable or disable the charging function of the inverter/charger.
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Charge current: This setting specifies the maximum current that the charger will use to charge the battery. Adjusting this can affect charging speed and efficiency.
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Absorption voltage: This is the target voltage level to which the battery will be charged during the absorption phase. It’s a critical parameter for ensuring the battery is charged fully without overcharging.
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Float voltage: After the battery reaches the absorption voltage, the charger will maintain this lower float voltage to keep the battery at 100% charge without overcharging.
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Repeated absorption interval: This setting determines how often the charger will re-enter the absorption phase to “refresh” the battery, helping to maintain its charge over time.
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Repeated absorption time: Defines the duration for which the charger will stay in absorption mode during each refresh cycle.
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Maximum absorption time: This is the maximum time the charger will spend in the absorption phase in one cycle to prevent excessive charging.
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Temperature compensation: This feature adjusts the charge voltage based on battery temperature to prevent undercharging or overcharging in extreme temperatures.
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Charge curve: Allows you to select the charging algorithm. The ‘Adaptive’ option enables the charger to adjust the charging parameters based on the battery’s performance and history.
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BatterySafe: When enabled, it prevents damage to the battery by limiting the rate of voltage increase during the initial bulk charging phase.
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Lithium batteries: This switch enables settings optimized for charging lithium-ion batteries, which have different requirements than lead-acid types.
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Storage mode: When the battery is fully charged and not being heavily used, this mode maintains a reduced voltage level to limit gassing and corrosion, prolonging battery life.
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Use equalization: This setting, typically used for flooded lead-acid batteries, allows for periodic overcharging to balance the cells and mix the electrolyte.
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Weak AC input: To be selected when the AC input source is not stable or is of low quality to ensure proper charging.
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Stop after excessive bulk: A safety feature that stops the charger if the bulk phase takes too long, indicating a potential issue with the battery or the charging process.
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