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Subject Topic: Cpap/inverters ???? Post Reply Post New Topic
02/4/2014 at 8:59pm
 Location: west midlands
 Outfit: Swift Conqueror 630
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I dont know if anyone can help...when not on EHU and using a solar panel to charge battery has anyone used an inverter to run a cpap (breathing machine) overnight ..is it possible will the battery last ?

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Coming home back to a caravan
2013
Whit week Kelpie Manorbier
July/Aug Carpenters Farm Isle of Wight


02/4/2014 at 9:36pm
 Location: Midlands
 Outfit: Mondeo Avondale Gram
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How many watts does the machine use?



02/4/2014 at 9:37pm
 Location: West country
 Outfit: Mondeo
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I believe you can get adaptors for the machines to specifically run from a rechargable battery. May be best to have a dedicated battery for it, as you may need the van battery for other uses and will be better able to keep track of the charge state of the CPAP battery. I doubt you can use the heater though as it may draw too much power.


03/4/2014 at 8:01am
 Location: west midlands
 Outfit: Swift Conqueror 630
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Asked at hospital at lung function unit and they dont know of anything even though it says 12v 5.0A on the back...typical national health....

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Coming home back to a caravan
2013
Whit week Kelpie Manorbier
July/Aug Carpenters Farm Isle of Wight


03/4/2014 at 12:30pm
 Location: Near Alton Towers
 Outfit: Bailey Burgundy S7 H
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I have used my CPAP unit in the caravan for years connected to the 12v DC battery supply. Its a Resmed and they do an official lead for 12volts but it is expensive, as an electrical engineer I just bought the bits from Maplins and made my own. If you use an inverter it will use more battery power due to the losses in the system.

Dave



-------------
Give a man a fish and he will eat for a day,
Teach a man to fish and you can get rid of him for a whole weekend.


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03/4/2014 at 1:35pm
 Location: west midlands
 Outfit: Swift Conqueror 630
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Thanks ..so where do I stsrt looking for the 12v lead ?

-------------
Coming home back to a caravan
2013
Whit week Kelpie Manorbier
July/Aug Carpenters Farm Isle of Wight


07/4/2014 at 11:03am
 Location: Near Alton Towers
 Outfit: Bailey Burgundy S7 H
View Pickled Onion's Profile View Profile   Reply to Pickled Onion Reply   Quote Pickled Onion Quote  
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Hi vonc, here is the link to the one I copied, at £20 and a lot cheaper than when I was looking. Just make sure the output plug is the same size as yours, the other end fits into a 12 volt outlet socket or extention lead.

1024

Dave



Post last edited on 07/04/2014 12:22:52

Post last edited on 07/04/2014 12:25:21

-------------
Give a man a fish and he will eat for a day,
Teach a man to fish and you can get rid of him for a whole weekend.


07/4/2014 at 1:02pm
 Location: west midlands
 Outfit: Swift Conqueror 630
View vonc's Profile View Profile   Reply to vonc Reply   Quote vonc Quote  
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Thanks Dave....I will take s look

-------------
Coming home back to a caravan
2013
Whit week Kelpie Manorbier
July/Aug Carpenters Farm Isle of Wight



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