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Still trying to fix problems with my previous post ....I am looking to try and identify the output voltages (see pic) from a Tranzx 24V BL03 battery. Currently, the output from -ve (black) left conn to both second (white) and third (blue) connectors is showing as 0V. I suspect that it should be...

Is not the M25 central motor ...mine is the front wheel motor, and the bike pre-dates any plug-in service options, so you just have to explore all options ...either way I refuse to give up !

Battery in good condition ...did a discharge test not that long back ...controller possibly OK, but need to check mosfets ..also check hall sensors in the motor. There is a TMM4 torque sensor on the back wheel axle, which presumably coordinates with the RPM sensor to give a smoother 'assist'...

I must admit that there were no signs of damage or movement of the sensor in relation to the magnet/sensor separation, and there had previously been no indications of power issues on the previous day ...OK the day before..then not OK. No error messages showing on the display. I think that...

Thanks for that ...I was intrigued as to how this worked ...possible cause of problems on my bike, which has display powered up, and front/rear lights, but no power to the motor ...could also be the brake switch/controller mosfets/motor hall sensors I guess.

I am trying to find a way to test the RPM sensor on a EBCO UCL-60 ebike. he attached photo shows the back orange plastic plate removed to indicate a capacitor to smooth out voltage spikes from (maybe) a reed switch of some sort. Any ideas??

Trying to confirm whether a generic 24V 30amp BMS can be fitted to a Tranzx 24V Lipo 11Ah battery. My existing original BMS has shorted and is dead. Thanks

Bit of an old post now, but I was interested to hea how you got inside the sealed battery case?? I now need to do the same to check out cell performance, due to a crappy discahrge test! I belive it to have top/bottom halves glued together, and maybe the glue can be loosened using heat ...or...

johnRN submitted a new listing: 24V 10/11AH TRANZX BL03 battery - 24V 10/11AH TRANZX BL03 battery Learn more about this listing...