These connectors successfully mate with other JST PH2.0 BUT for some reason (technically for the random drone they were designed for?) the red ones and black wires have switched places. EVERY LiPo battery, controller, sensor, etc. I have ever owned or worked with has plus/minus in opposite positions. I know the electrons don't care what color the wires are, but stupid people will reverse the current direction on most devices they can use them on. Wire markers to prevent this, but if you think this sounds like a waste of time consider finding another provider. And you are right.