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5.19 Measurements of cell voltages or battery voltages shall be made using a single pole resistive-capacitive low pass filter with a –3 dB roll off frequency of 5 kH±0,5 kHz. To determine if the upper limit charging voltage has been exceeded, the peak value of the filtered voltage shall be measured with a tolerance of ±1 %.+ S7 N* D- c( g* |2 \* Q9 X
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When measuring cell voltages or battery voltages, the peak value of any superimposed ripple exceeding 10 % of the average value shall be included. Transient voltages are ignored, such as a temporary increase of voltage, for example, after the battery is removed from the charging3 c0 w! O5 `0 r
system.
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