Background Information - Victron energy BMV-600S Manuel

4.3

Background information

4.3.1 Charged-parameters
Based on increasing charge voltage and decreasing charge current, a
decision can be made whether the battery is fully charged or not.
When the battery voltage is above a certain level during a predefined
period while the charge current is below a certain level for the same
period, the battery can be considered fully charged. These voltage and
current levels, as well as the predefined period are called 'charged-
parameters'. In general for a 12 V lead acid battery, the voltage-
charged-parameter is 13.2 V and the current-charged-parameter is
4.0 % of the total battery capacity (e.g. 8 A with a 200 Ah battery). A
charged-parameter-time of 4 minutes is sufficient for most battery
systems.
4.3.2 Synchronising the BMV
Please see section 1.2.
If the BMV does not synchronise automatically, check that the
values for the charged voltage, tail current, and charged time have
been configured correctly.
When the voltage supply to the BMV has been interrupted, the
battery monitor must be resynchronised before it can operate
correctly.
4.3.3 Charge Efficiency Factor (CEF)
Please see section 2.3.
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