This is charge / balance harness is for the Blade 130 X, MCPX BL, Nano QX 3D and UMX batteries from Blade / E-Flight. Note: this can be used without the balance plug plugged in if you you do not have a balance charger.
Battery End: JST-PH
Charger End: 4mm Banana Plugs + 2S JST-XH