External 30 Watt Power Supply for ResMed S9™ Machines

International power supply to replace my old burnt one. Comes with most of the plugs needed for international travel as well as the US. Also smaller than previous power supply. Works great.

I bought the 30 watt model thinking that it would be smaller and lighter than the 90 watt model. It is a bit smaller and lighter, but not by much.

Nice lightweight power pack for travel. Wish I had bought it years ago! Adapters for international travel a big plus.

I have a ResMed S9 and it's great! I travel for business often so I have an extra mask and hose that I use when I'm on the go. But I go tired of having to unplug power adapter that came with the S9 each time I had to travel. This 30W unit is perfect! I don't take the humidifier when I travel, so this is a great lightweight option that powers the CPAP unit just fine!

What is nice about this is the power supply completely fits in a shoe rather than being this big brick that takes up it's own space in the bag. Works well.

I am glad I purchase this smaller power pack rather than the heavy original one. I was getting tired having to lug my S9 machine whenever I travel.

This power supply will run the CPAP if you do not use the included humidifier stage. If you travel and don't need the humidifier it's a great benefit because this power supply is far smaller and lighter than the larger unit supplied with the CPAP machine. Great for travel-- solves a problem for me.

This is a good (and only) option if you travel and don't want to lug around the brick-size standard 90 watt power supply which comes with the S9. This doesn't work if you also use the humidifier. It is significantly smaller and lighter than the standard power supply. The S9 uses a proprietary connector so you are restricted to using one of their power supplies. The power indicator LED light is bright and remains lit whenever the power supply is plugged into an power outlet. I personally find it bright enough to light up a dark room and distracting if the outlet is visible near my bed. Covered the LED with a piece of opaque tape.

This works just the way a power supply should: it supplies power and otherwise remains out of mind.