2.0mm 3P 3 pin connector round pin connector for micro motors and ESCs micro helicopter motor connector plugs|Parts & Accessories| - AliExpress
150mm/200mm/300mm/500mm High-Quality Motor Extension Cable 3 Pin Connector RC Servo Extensions Lead Wire Cable - China 150mm High-Quality Motor Extension Cable and 200mm High-Quality Motor Extension Cable
electrical - Looking for vehicle that uses this 3-pin connector - Motor Vehicle Maintenance & Repair Stack Exchange