Replacement power supply works with the following Dolphin Robotic Pool Cleaners: Edge, Deluxe 4/5, Wave 50/75, M4/M5, Apollo/Apollo Plus, Discovery, Prowler 830, DX4/DX6, DX4+S, DX5+S, Neptune Plus, Heavy Duty,Triton Plus, Premier, Bio, M400/500. Black power supply cord is not included.