Please note that this is the standard 90 Watt power supply that is included with ALL ResMed CPAP machines, even machines that do not include a ResMed H5i heated humidifier. There is a smaller 30 Watt power supply available separately that can be used with S9 devices without the H5i humidifier. The smaller 30W power supply is about 3/4 the weight of the 90W power supply, and is 2.5 inches shorter than the 90W power supply. The smaller size makes it a little more convenient for traveling.
Call us at 1-888-955-2727 or email us if you have any questions about power options for your CPAP machine.
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