Your comments

connect one to one? Could you be a little more specific? I have more bms boards, but I need to know how to connect them exactly. I have also discovered that you can program the number of bms by shorting two of the four pins on the board, there is a sequence of lights, am I right?

Thanks 

Ok, I want to buy the can bus, can you give me the link to this item? 

Thanks

Please i need your help 

i have no can-bus adapter

Thanks!