ResMed S9 CPAP Machine AC Power Supply (90 Watt) with Cord

Product Overview ResMed's S9 Series CPAP systems use an external power supply with AC Power Cord. This 90W version is supplied as standard with the CPAP system. The power supply is designed for universal inputs of 100–240V, 50–60Hz. Details Product Details External Power Supply The power supply is designed for universal inputs of 100–240V, 50–60Hz. Power Supply Change In 2013 ResMed changed the design of the power supply for the S9 machines. The newer version is smaller and lighter. Both use the same power cord, and either can be used with the S9 machines. Specifications Product Specifications Brand: ResMed Manufacturer: ResMed Dimensions: 6.5 x 2.5 x 1.5 inches Included In Box: S9 90 Watt Power Supply Unit, Power Cord