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[Equipment] Portable generator to power S9
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o2meister Offline

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Machine: ResMed S9
Mask Type: Full face mask
Mask Make & Model: ResMed Quattro Mirage
Humidifier: ResMed
CPAP Pressure: 14
CPAP Software: Not using software

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Sex: Male
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Post: #1
Portable generator to power S9
Can you use a portable generator to power an S9? I called ResMed technical support and they told me that you could NOT. Not sure if they just wanted to sell me a battery!
09-05-2014 09:29 AM
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surferdude2 Online

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Machine: ResMed S9 AutoSet
Mask Type: Full face mask
Mask Make & Model: Mirage Quattro & Optilife
Humidifier: ResMed H5i @ #3 if nose breathing & #5 if mouth breathing
CPAP Pressure: 12 ~ 20 & 11 ~12 if nasal mask
CPAP Software: ResScan SleepyHead

Other Comments: Late stage 2 emphysema

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Location: Mousetown, Southern Illinois

Post: #2
RE: Portable generator to power S9
I think you talked to someone who didn't know what they were talking about. There is no reason you can't use a standard emergency generator to power a CPAP unit. I am amazed that anyone would tell you differently.
09-05-2014 09:46 AM
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o2meister Offline

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Posts: 4
Joined: Dec 2012

Machine: ResMed S9
Mask Type: Full face mask
Mask Make & Model: ResMed Quattro Mirage
Humidifier: ResMed
CPAP Pressure: 14
CPAP Software: Not using software

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Sex: Male
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Post: #3
RE: Portable generator to power S9
Kinda what I thought.....thx!!
09-05-2014 10:07 AM
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Galactus Offline

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Machine: Phillips Respironics System One PRS1 DS760P Auto BiPAP
Mask Type: Nasal pillows
Mask Make & Model: ResMed Airfit P10 Nasal Pillow
Humidifier: System One Heated Humidifier + Climate Line
CPAP Pressure: E/I 13/20 PS 4/7 BiFlex 3
CPAP Software: SleepyHead EncoreBasic

Other Comments: Sleep can be a good thing.

Sex: Male
Location: USA

Post: #4
RE: Portable generator to power S9
Portable generator puts out the very same electricity that the power company does. You might want to just put a surge protector in between to insure that the power supply doesn't get a surge or spike just because you have nothing better to do and they are cheap.

If everyone thinks alike, then someone isn't thinking.
Everyone knows something, together we could know everything.
09-05-2014 10:28 AM
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trish6hundred Offline

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Machine: Resmed S9 AutoSet for Her
Mask Type: Full face mask
Mask Make & Model: Fisher & Paykel Simplus
Humidifier: H5i Heated Humidifier
CPAP Pressure: 10 - 7-20 Cm H2O
CPAP Software: Not using software

Other Comments: I started CPAP in 2008. Totally blind since birth.

Sex: Female
Location: Missouri, USA

Post: #5
RE: Portable generator to power S9
Hi o2meister,
WELCOME! to the forum.!
Hang in there for more answers to your question and best of luck to you as you continue your CPAP therapy.

trish6hundred
09-05-2014 01:14 PM
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justMongo Offline

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Machine: ResMed VPAP Auto (S9)
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Post: #6
RE: Portable generator to power S9
The RESMED power brick is forgiving of line frequency and a wide range of Voltage.
A poor sine wave or spiking -- not so forgiving.
You want a good generator; and I would still put a power condition in the line.

Caution: These generators need to be located outside away from where you are sleeping.
CO and CO2 danger.

INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
09-05-2014 01:32 PM
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Terry Offline

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Machine: Philips Respironics RemStar Auto with A-Flex (560P)
Mask Type: Nasal pillows
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CPAP Software: SleepyHead

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Post: #7
RE: Portable generator to power S9
(09-05-2014 09:29 AM)o2meister Wrote:  Can you use a portable generator to power an S9? I called ResMed technical support and they told me that you could NOT. Not sure if they just wanted to sell me a battery!

Honda makes a very nice line of quiet generators that are good for sensitive electronics.

The EU1000i makes about as much noise as a dishwasher.

I'd avoid any of the cheap generators at places like Sam's Club. They're extremely noisy and poorly regulated.
09-05-2014 01:44 PM
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Ghost1958 Offline

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Machine: PRS1 Series Sixty Auto Aflex
Mask Type: Nasal mask
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CPAP Pressure: 10.5 min 16 max
CPAP Software: SleepyHead EncoreBasic

Other Comments: Moderate to Severe SA Obstructive. Rapid O2 desat off the machine.

Sex: Male
Location: KY

Post: #8
RE: Portable generator to power S9
Im sure you can. Where I live we have went without power for up to 7 weeks a couple of winters. I know several around here that ran medical equipment, cpaps etc on generators and even gas and diesel powered arc welders.
09-05-2014 07:18 PM
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woozie38 Offline

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Joined: Jan 2013

Machine: Fisher & Paykel Icon + Auto
Mask Type: Full face mask
Mask Make & Model: F&P Simplus
Humidifier: Integral
CPAP Pressure: 8 to 14
CPAP Software: SleepyHead Other Software

Other Comments: 17 years of CPAP + supp. oxygen @ 3 L/min

Sex: Male
Location: Toowoomba, Queensland Australia

Post: #9
RE: Portable generator to power S9
(09-05-2014 09:29 AM)o2meister Wrote:  Can you use a portable generator to power an S9? I called ResMed technical support and they told me that you could NOT. Not sure if they just wanted to sell me a battery!
The short answer is NO you can't, but it depends on the generator. If your generator has permanent magnets instead of field coils, its a good chance it will produce suitable power. However most generators produce a sort of modified sine wave which is not suitable and will cause heat to build up in the power transformer of the PAP machine's power supply.The transformer will burn out. Any device equipped with a power transformer requires a pure sine wave power source. The alternative as you've been advised is to use an accumulator (battery), which is probably best anyway.

[Image: signature.png]Keep on breathin'
09-05-2014 07:40 PM
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Doc J Offline

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Posts: 199
Joined: Dec 2013

Machine: ResMed S9 AutoSet
Mask Type: Nasal pillows
Mask Make & Model: ResMed AirFit P10
Humidifier: resMed H5i Dumped and dry daily
CPAP Pressure: 10-15
CPAP Software: ResScan SleepyHead

Other Comments: Knowledge is King and this is the place to find it! Thanks everyone.

Sex: Male
Location: Central Nebraska

Post: #10
RE: Portable generator to power S9
Just went camping last weekend and got to use my set up for the first time. A 12 volt dc to 24 volt dc adapter ($80) hooked to my marine trolling motor battery ($100). Used a couple nights and ran my S9 without humidifier no problems. Battery is big and oversized for the job but I already owned it. Eliminates the generator and noise and fumes and all of the above. Does the generator have a dc output? You could use the dc to dc adapter and eliminate the A/C issues.

Good Luck!

Doc J (despite my nickname I am not a doctor)

Remember to donate to the board if you can, it has helped a lot of people including myself.
09-05-2014 09:07 PM
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