Dry Dock Charging and Drying Stand for iRobot Scooba S450 DryDock Charging and Drying Stand Whisper-quiet drying cycle to reduce drying time of your Scooba 450 Power supply not included- use your Scooba 450 robots power supply with this stand. Compatible with Scooba 450 only Empty Scooba tank before using the DryDock Charging and Drying Stand.