Having problems finding a back-up power for my CPAP since my pressure is so high. 5 or 6 hours would be acceptable. Medistrom failed me (last 1 hour). MaxOak K5 maybe ok but hard to tell (well for me anyway). Hoping someone can help. I am open to suggestions.
Thank you.
Back up battery for Air Sense 10 with a pressure of 20
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Re: Back up battery for Air Sense 10 with a pressure of 20
welcome to the zoo! here's a thread, among many, regarding batteries and cpap-Bern wrote: ↑Thu Nov 14, 2019 12:31 pmHaving problems finding a back-up power for my CPAP since my pressure is so high. 5 or 6 hours would be acceptable. Medistrom failed me (last 1 hour). MaxOak K5 maybe ok but hard to tell (well for me anyway). Hoping someone can help. I am open to suggestions.
Thank you.
viewtopic.php?f=1&t=177386&p=1327497&hi ... y#p1327497
good luck!
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Re: Back up battery for Air Sense 10 with a pressure of 20
Well, I you want to save money, buy the 12v cable, a mobility s ioter battery, and a battery tender to keep it charged.Bern wrote: ↑Thu Nov 14, 2019 12:31 pmHaving problems finding a back-up power for my CPAP since my pressure is so high. 5 or 6 hours would be acceptable. Medistrom failed me (last 1 hour). MaxOak K5 maybe ok but hard to tell (well for me anyway). Hoping someone can help. I am open to suggestions.
Thank you.
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Re: Back up battery for Air Sense 10 with a pressure of 20
Thank you so much. A follow-up question if I may. I keep reading 12V (and I saw on the resmed chart). But on the CPAP "storage and travel..." sticker it reads DC24V and 3.75A . I'm pretty much stupid with tech tech stuff. The 12V cable is ok to use?
I apologizes if my question makes no sense. I'm not sure how to properly word it.
Side note: I'm the type of person who is willing to spend more if it means less hassle
I apologizes if my question makes no sense. I'm not sure how to properly word it.
Side note: I'm the type of person who is willing to spend more if it means less hassle
Re: Back up battery for Air Sense 10 with a pressure of 20
Yes, because it converts 12v to the 24v the unit needs.Bern wrote: ↑Thu Nov 14, 2019 2:07 pmThank you so much. A follow-up question if I may. I keep reading 12V (and I saw on the resmed chart). But on the CPAP "storage and travel..." sticker it reads DC24V and 3.75A . I'm pretty much stupid with tech tech stuff. The 12V cable is ok to use?
I apologizes if my question makes no sense. I'm not sure how to properly word it.
Side note: I'm the type of person who is willing to spend more if it means less hassle
Get OSCAR
Accounts to put on the foe list: dataq1, clownbell, gearchange, lynninnj, mper!?, DreamDiver, Geer1, almostadoctor, sleepgeek, ajack, stom, mogy, D.H., They often post misleading, timewasting stuff.
Accounts to put on the foe list: dataq1, clownbell, gearchange, lynninnj, mper!?, DreamDiver, Geer1, almostadoctor, sleepgeek, ajack, stom, mogy, D.H., They often post misleading, timewasting stuff.
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Okie bipap
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Re: Back up battery for Air Sense 10 with a pressure of 20
ResMed machines do operate on 24 volt DC. The 12 volt cable for the ResMed machines step the voltage up to 24 volts. Responics machines, on the other hand, operate on 12 volts DC.
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Re: Back up battery for Air Sense 10 with a pressure of 20
But still require a special cable...Okie bipap wrote: ↑Thu Nov 14, 2019 4:01 pmResMed machines do operate on 24 volt DC. The 12 volt cable for the ResMed machines step the voltage up to 24 volts. Responics machines, on the other hand, operate on 12 volts DC.
In the end, it doesn't really matter, you've got one end of a cable that hooks to 12v, and the other end that hooks to the machine... magic happens somewhere along the cable.
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Accounts to put on the foe list: dataq1, clownbell, gearchange, lynninnj, mper!?, DreamDiver, Geer1, almostadoctor, sleepgeek, ajack, stom, mogy, D.H., They often post misleading, timewasting stuff.
Accounts to put on the foe list: dataq1, clownbell, gearchange, lynninnj, mper!?, DreamDiver, Geer1, almostadoctor, sleepgeek, ajack, stom, mogy, D.H., They often post misleading, timewasting stuff.
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ragtopcircus
- Posts: 220
- Joined: Mon Sep 09, 2019 11:55 am
Re: Back up battery for Air Sense 10 with a pressure of 20
I believe the Resmed DC-DC can operate from 12V or 24V in because it is a boost-buck converter.
Using two 12V batteries in series will cut the current in half. Since batteries are generally less efficient at high current, using two in series should more than double the run time, especially at higher pressure.
I don’t know if the 3rd party DC-DC is also rated for 24V in.
Using two 12V batteries in series will cut the current in half. Since batteries are generally less efficient at high current, using two in series should more than double the run time, especially at higher pressure.
I don’t know if the 3rd party DC-DC is also rated for 24V in.
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Re: Back up battery for Air Sense 10 with a pressure of 20
As an aside, I haven't seen any evidence that it's a buck converter, just a boost converter,
If it were a buck converter, it'd be rated for higher than 24 volts, too.
Get OSCAR
Accounts to put on the foe list: dataq1, clownbell, gearchange, lynninnj, mper!?, DreamDiver, Geer1, almostadoctor, sleepgeek, ajack, stom, mogy, D.H., They often post misleading, timewasting stuff.
Accounts to put on the foe list: dataq1, clownbell, gearchange, lynninnj, mper!?, DreamDiver, Geer1, almostadoctor, sleepgeek, ajack, stom, mogy, D.H., They often post misleading, timewasting stuff.
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