Product Manual

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04. Charged detection time
This is the time the charged-parameters (Charged Voltage and Tail Current) must be met
in order to consider the battery fully charged.
Default Range Step size
3 minutes 1 – 50 minutes 1 minute
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05. Peukert exponent
When unknown it is recommended to keep this value at 1,25 (default) for lead acid batteries
and change to 1,05 for Li-ion batteries. A value of 1,00 disables the Peukert compensation.
Default Range Step size
1,25 1 – 1,5 0,01
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06. Charge Efficiency Factor
The Charge Efficiency Factor compensates for the Ah losses during charging.
100% means no loss.
Default Range Step size
95% 50 – 100% 1%
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07. Current threshold
When the current measured falls below this value it will be considered zero.
The current threshold is used to cancel out very small currents that can negatively affect the long term
state-of-charge readout in noisy environments. For example if the actual long term current is 0,0A and
due to injected noise or small offsets the battery monitor measures -0,05A, and in the long term the BMV
can incorrectly indicate that the battery needs recharging. When the current threshold in this example is
set to 0,1A, the BMV calculates with 0,0A so that errors are eliminated.
A value of 0,0A disables this function.
Default Range Step size
0,1A 0 – 2A 0,01A
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08. Time-to-go averaging period
Specifies the time window (in minutes) that the moving averaging filter works.
A value of 0 disables the filter and gives an instantaneous (real-time) readout; however the displayed
value may fluctuate heavily. Selecting the longest time (12 minutes) ensures that only long term load
fluctuations are included in the time-to-go calculations.
Default Range Step size
3 minutes 0 – 12 minutes 1 minute
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09. Zero current calibration
If the BMV reads a non-zero current even when there is no load and the battery is not being
charged, this option can be used to calibrate the zero reading.
Ensure that there really is no current flowing into or out of the battery (disconnect the cable
between the load and the shunt), then press SELECT.
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10. Synchronize
This option can be used to manually synchronize the BMV.
Press SELECT to synchronize.
The BMV can also be synchronized when in normal operating mode by holding the + and – buttons
simultaneously for 3 seconds.
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