Typical balance setup takes 1 more wire than you have cells so the 5 wires would be right, but how or what are you supposed to plug them into?

When you plug your main power leads into charger, it is going to charge all 4 cells. So if you plug the 3 wire balance plug into 2S balance port, that will see just the 2 cells that those wires are attached to. What about the other 2 cells?

Thats why I was wondering if there was an adapter where you'd plug both sets of balance conns in and it would see/balance all 4 cells even though to the charger you're really only charging 2 cells.

There's something missing here.