Hi, I have just made
also still the same, the first measurement with my built-in voltmeter.
following charge voltages encountered in my 20 cells. Was loaded with the standard Thundersky charger.
cell number, voltage in V
- 3.44 3.30 3.56
- 3.54 3.48 3.57
- 3.63 3.44
- 3.48 3.31 3.44
- 3.75 3.67 3.59
- 3.46 3.51 3.44
- 3.39
- 3.43 3.36
While charging two or three cells were very briefly to values up to 3.84 V. That was right at the end of charging, the charger before briefly reduced the wattage and then switched a few seconds later all the "green" (ie shop finished) has.
I then immediately with the traverse started and I then get the top values. The voltage across the cells is thus very quickly again to lower values. When I then again a second time shortly durchgezappt by all cells have, the values were adjusted further, as seen from my collection.
During most of the charging process, the vast majority of cells were almost the same values. What I
says that now?
I think this means to me that I have the weakest cells times during the trip as a test should monitor the voltmeter. Above all, cell 2, since this is not only the weakest, but also by the BMS no longer monitored.
tips on how I measure better or more useful are welcome.
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