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What is ”DC Input Low-Shutdown’ setting in VictronConnect using Multiplus-II?
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The ‘DC input low-shutdown’ setting in the VictronConnect app is a parameter that determines the voltage level at which your MultiPlus inverter will automatically shut off to prevent excessive battery discharge.
Function:
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This setting acts as a safeguard for your battery bank. It defines the threshold voltage at which the inverter will stop drawing power from the batteries to avoid damaging them.
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Deep discharging a battery can significantly shorten its lifespan and affect its performance.
Setting the Value:
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The appropriate ‘DC input low-shutdown’ voltage will vary based on the type of batteries you have installed. It is essential to set this value according to the specifications provided by your battery manufacturer.
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For example, if you’re using a lead-acid battery, manufacturers typically recommend not discharging below 50% capacity, which corresponds to a specific voltage that you would set as your ‘DC input low-shutdown’ value.
Battery Life Consideration:
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By configuring this setting correctly, you ensure that the inverter does not deplete the battery past a safe point, which helps in maintaining the battery’s health and longevity.
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Consistently discharging batteries below their recommended low-voltage point can lead to sulfation in lead-acid batteries or capacity loss in lithium-ion batteries.
Usage Tips:
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It’s also a good practice to periodically check and adjust this setting as your batteries age, as their capacity and voltage characteristics can change over time.
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Keeping this setting in alignment with your battery’s current state will contribute to the overall energy system’s reliability and efficiency.
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