Average Discharge Rate; Additional Notes - Cristec BAT-MON-3.5 Manuel Utilisateur

Charging cycles
One cycle is counted when the battery has been discharged by the capacity set in the cycle depth (see section 4.3)
and then recharged. With the number of cycles, you can estimate the life of your battery. Standard starter
batteries have a lifespan of 30-50 cycles, while cycle batteries have a lifespan of up to 300 cycles if a modern
battery charger is used. These values can only be achieved with proper care and deteriorate rapidly in case of
mistreatment.
Deep discharges
Every complete discharge
discharges should be avoided at all costs as they damage the battery, lead to premature capacity loss and lifetime
reduction for most battery types. However, should a deep discharge occur, the battery must be recharged
immediately to avoid further damage.
Lost capacity
If the battery voltage prematurely drops below certain voltage thresholds depending on the load, the charge state
is automatically set to 20% (critical discharge) or 0% (deep discharge). In that cases, if possible, the unavailable
capacity (difference between nominal capacity and withdrawn capacity) is determined as lost capacity. This can
be used as an indicator for the aging of the battery during normal discharges of less than C10 (rated capacity /
10). For high current loads in the range above C5 (e.g., electric boats where currents are greater than 20% of
rated capacity) this should be taken as an indicator of the usual reduced capacity at high loads. If the battery is
never discharged to its critical discharge limit, this detection cannot take place and it is assumed that the battery
is 100% intact.

Average discharge rate

The mean depth of discharge indicates by which capacity rate the battery has been discharged on average over
the last 4 cycles. This parameter informs the user about the way the battery is cycled.
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ADDITIONAL NOTES

•
Please ensure that no load and no charging device are connected directly at the batteries negative pole. There
shall be only one connection at negative battery pole running to the shunt "B –", nothing else. If not, the state of
charge calculation will be wrong! Please ensure that all charging devices like engine, battery charger or solar have
a positive current value.
•
If the message "not synchronized" does not disappear despite 100% full charge of the battery, this can be
achieved manually by changing the nominal battery capacity by 1 Ah.
•
Full battery detection does not work.
Please check the charging voltage of your battery charger / solar system and set the battery type to WET to work
with the lowest possible values. Please check whether each charging source is recognized correctly. Please check
if every charging source is recognized correctly. Charging currents are always positive when all consumers are
switched off at the same time. This must be checked individually for each charging source.
down to the voltage lower limit (about 11.0 V) is considered as a deep discharge. Deep
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