Product description JST-XH Cnnector Matrial: 22# AWG Silicon Wire Rated Voltage: 600V Rated Temperature: -60°C~+200°C Conductor: Tinned Copper Conductor construction: 17/0.12 Insulation: Silicone Rubber Note: 2S means 3 pin, including 2 black wires and 1 red wire 3S means 4 pin, including 3 black wires and 1 red wire And so on... Package includes 1 x Selected balance charger wire