Lucifer06

Here is what it looks like: 

I tried with Windows app JK-BMS-MONITOR 2.7.0, BMS configured as Dev Address 1 and UART protocol 001 - JKBMS RS485 Modbus v1.0 No communication :-( I'm talking with JK BMS...

@kommando828 good advice, I will try to connect to the RS485 connector, next to the GPS one. Does some one know what is the name of this connector, so I...

here you are: 

Can you see the picture?

I have soldered 2 wires on what are supposedly A and B of the connector, wired it to a RS485-> USB adapter and tried to get the JK BMS Monitor...

 

Looking at the picture, I think the SMD drivers are not soldered. and I think the option of Can or 485 is a choice of with one they solder. Game...

On the top left of the picture, I think this is a MAX 485 that is supposed to fit there. If I find the time I will try to fit...

JK gave me access to the following Google drive: [https://drive.google.com/drive/folders/1RZ7IP5g2uS3PzJo2RcMnLJw6343AhlqI?spm=a2g0s.imconversation.0.0.7ddc3e5fEeTB9L](url) I'm attaching the spec sheet for the JK-B2A8S-10P-20P-30P series. Both original, and a tentative of English translation. If you guys...