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Victron Active SOC


Sammyigt
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Active SOC is a value that is automatically set by your GX device

If battery life is enabled then each day your battery does not fully charge the Active SOC increases by 5%. Each day it gets fully charged your Active SOC decreases by 5%. If battery life is enabled then your batteries will not discharge more than your Active SOC. The above all happens cause your system is trying to get your batteries to 100%. 

If you change your Minimum SOC the active SOC increases with it, but will only decrease each time the battery is fully charged.

Edited by stoic
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6 minutes ago, stoic said:

Active SOC is a value that is automatically set by your GX device

If battery life is enabled then each day your battery does not fully charge the Active SOC increases by 5%. Each day it gets fully charged your Active SOC decreases by 5%. If battery life is enabled then your batteries will not discharge more than your Active SOC. The above all happens cause your system is trying to get your batteries to 100%. 

If you change your Minimum SOC the active SOC increases with it, but will only decrease each time the battery is fully charged.

Thanks, makes sense. So the Active SOC learns from how much the battery is discharged VS how much the battery charges on a daily basis? 

Is Active SOC influenced at all by the minimum SOC? So example, minimum is set to 90%, active will obviously never decrease below 90%? But if minimum is set to 20% active could potentially drop to the same amount (I know it is by default but this obviously changes if battery does not charge full)?

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16 hours ago, Sammyigt said:

Thanks, makes sense. So the Active SOC learns from how much the battery is discharged VS how much the battery charges on a daily basis? 

Correct. In South Africa perhaps not such a big deal, but in Europe, as winter sets on, it automatically moves the limit up and as summer arrives it moves it down again.

Many lithium batteries balance only at the top, so it is advisable to use BatteryLife to ensure the balancer gets a chance to run every few days.

16 hours ago, Sammyigt said:

Is Active SOC influenced at all by the minimum SOC? So example, minimum is set to 90%, active will obviously never decrease below 90%? But if minimum is set to 20% active could potentially drop to the same amount (I know it is by default but this obviously changes if battery does not charge full)?

Yes it does. See here. When moving the active soc down it always starts from whichever value is smaller (the one the user set, or the one it determined itself). It can therefore never go more than 5% less than what the user requested. It also cannot go higher than 80%, in other words, BatteryLife will not force the minimum SOC higher than 80%, only the user can do that.

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