This parallel kit allows you to connect two of such generators doubling your total power output.DuroMax 7600W Inverter Generator, Automatic Voltage Regulation Advanced inverter generator with automatic voltage regulation Suitable for a wide range of applications, both home and outdoor Option to connect two units for double power output Reliable and robust solution for power needs Designed for optimal performance and dependability Connect two XP9000iH inverters to double your power to 18,000 peak watts and 15,200 running watts (generators sold separately) Includes 1 x 30A 240V (L6-30) outlet and 1 x 50A 240V (14-50) outlet