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help reading board.

  1. D

    Need help identifying pcb wire terminations

    So I am switching out custom motor controllers for an ebike. But need help identifying the purpose of the wires indicated on the pcb. In the pics I have highlighted the appropriate acronyms with its wire color. As you can see right off the bat I have one problem. One controller has 6...
  2. K

    Battery protection board not working correctly.

    Hi gurus. I bought this little battery protection board and wired up 2 18650 batteries per the attached diagram but get no power at the "P" side. When I attached the batteries at the P side, the B side has power. Can any guru tell me what I'm doing wrong please?

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