If you're trying to find a replacement versus wanting that specific one, any 36V, at least 2.5A or 90W+ power supply should work. Slight chance you might need a PO particular size jack (the male end), but generally they're all the same.
Example: $23
LeTaoXing 36V 3A Power Supply Adapter AC 100V~240V to DC 36 Volt Converter 108W 3amp 36 Vdc 36V/3A Transformer 5.5x2.5mm Plug for Engraver Printer Electric Drill LED Strip Light Water Pump https://a.co/d/8QK6fVM