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@Bitmugger and @harryS many thanks for your contribution: I walked with a voltmeter up each pair of pins and record the cell voltages as follow: the neighbor pair has 3,9v as avarage. Pin 1-2 3,9v...6-7 3,9v 7-8 0v 8-93,9v 8-10 7,8v ...10-11 3,9v and 1-13 0v. it seems to be any demage between...

@Bitmugger : Before I changed the BMS last week I messured the voltage of battery at all, it showed 46.800v, then I tried to replace the BMS connector as your picture cable by cable, it does not worked. I measured the cable as you mentioned today. I does not seem good. I think i demaged the...

@Bitmugger, Yes, basicly I opened the battery to find a fuse unfortunatly I found no fuse there, and asked the people, obviously this kind of battery (Dorado reention 48v 17.5 ah) has no fuse. That is why I dicided to change/replace the BMS

Any other idea, e.g. exchange the BMS?

With charger I measured 54v and replaced it with a lab energy supplier (set to 54v) again I measured 54v with Multimeter

Thanks tomjasz, I did not measure on Chrager device, I meausred on the BMS pin (C-, Ch-)

Reention Dorado 17ah 48v charger led goes green always: I am new here, and looking for experties. After reading some forum the first diagnostic was the fuse. I open the battery case and unfortunatly, in my Dorado reention 48v 17ah is no fuse. I went to the next mess during open the case and pull...