I say that since this device working or not is critical, so don't take chances. This item Universal Travel Adapter 220V to 110V Voltage Converter US to Europe, Inernational Power Plug Adapter with 1 USB Port 1 USB C for EU/UK/AU/US Worldwide Travel Plug Adapter Ceptics Travel Voltage Converter -200W Convert 220V to 110V for Curling Iron, Straightener, Chargers, Step Down World Power Plug - 4 USB Charging QC 3.0 - SWadApt. Finally, if both of those fall through, contact your Medical Supply place or someplace that sells converters and could help. By sliding this switch you can change from one to the other. Second, verify that there is not a sliding switch near the power cord with '110V' on one side and '220V' on the other. First double check the input voltage information on the CPAP and verify that it does not say '110/220V' which means it only would need an adapter.

Larger ones in this class get more expensive and heavier. Other converters electronically convert the wave from a 220V sine wave to a 110V wave, these usually are lower power though (300 watts) but needed for electronics without built in converters. These work for rough applications requiring lots of power and are cheap, but can damage some electronics and are not for use with electric motors. Some converters convert the voltage by simply chopping the peaks off 220V or by only using portions of the wave cycle. Foval International Travel Adapter Power Step Down 220v to 110v Voltage Converter. But 1080 watts is a pretty big converter if you want fairly clean power. 220 - 240 V (as is in the UK, Europe, Australia and most of Asia and Africa). To learn more about how and for what purposes Amazon uses personal information (such as Amazon Store order history), please visit our Privacy Notice.If you do a search, there are lots of threads about CPAP machines, maybe this has been addressed. It can convert the voltage from 220V to 110V. You can change your choices at any time by visiting Cookie Preferences, as described in the Cookie Notice. New Compact AC 220V To 110V Step Down Transformer Voltage Converter Travel Power Adapter (200W). 2000Watts Voltage Converter, 220V to 110V Converter, International Plug Adapter, Power Converter Adapter Combo, US to Europe, UK, Israel, Africa Over 150 Countries (Black) 3.9 out of 5 stars 1,333 29.95 29. Click ‘Customise Cookies’ to decline these cookies, make more detailed choices, or learn more. If youre about to travel or move overseas, youll need a converter to convert the voltage on your device and an adapter for the plug. Third parties use cookies for their purposes of displaying and measuring personalised ads, generating audience insights, and developing and improving products. This includes using first- and third-party cookies, which store or access standard device information such as a unique identifier. If you agree, we’ll also use cookies to complement your shopping experience across the Amazon stores as described in our Cookie Notice. If you see a range of voltages printed on the item or its plug (such as '110220'), youre OK in Europe.

We also use these cookies to understand how customers use our services (for example, by measuring site visits) so we can make improvements. American appliances run on 110 volts, while European appliances are 220 volts. We use cookies and similar tools that are necessary to enable you to make purchases, to enhance your shopping experiences and to provide our services, as detailed in our Cookie Notice. Key Power 230-Watt Step Down 220V to 110V Voltage Converter & International Travel Adapter/Power Converter with USB-C Port 18W - Use for USA Appliance Overseas in Europe, AU, UK, Ireland, etc.

European power converter 220 to 110