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[Equipment] Battery Pack for travel
05-26-2013, 09:10 PM
Can someone recommend a battery pack for the DeVilbiss Intellipap machine? This is for international travel and a jaunt up the Amazon.
05-26-2013, 09:14 PM
WELCOME! to the forum.!
Hang in there for answers to your question.
Best of luck and enjoy your jaunt.
05-26-2013, 09:25 PM
(05-26-2013, 09:10 PM)Lydia Wrote: Can someone recommend a battery pack for the DeVilbiss Intellipap machine?Supplier #1 sell "battery kit for IntelliPAP machines"
05-26-2013, 11:06 PM
For the jaunt up the Amazon you'll want something light weight? Will you have a way to recharge the battery?
You see, it's all a trade off. A deep cycle lead acid battery will give you the most juice, but it's heavy and bulky. A lithium ion battery will be lighter and more compact but won't give you as much charge so it won't last as long between charges.
Carrying a solar charger will give you a way to recharge your battery.
Turning the heated humidifier off will dramatically reduce the drain on your battery.
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05-26-2013, 11:49 PM
How long a trip and what are the recharge options? Access to a generator during the day? Solar panels? Occasional access to grid power?
Small and light (Lithium) generally = short run time and high cost.
Bigger and heavier (SLA, gel, wet cell deep cycle) generally = longer run time and cheaper cost.
I am trying to size a battery for the IntelliPap that will yield two nights power with an acceptable safety margin. In doing so, I am trying to find concrete power consumption numbers for the IntelliPAP, but nothing with a high degree of certainty that the ResMed folks provide. I did find a whitepaper from an inverter company saying DeVilbiss had engaged them to help spec inverters. It describes a couple of power consumption profiles for the IntelliPap. I will send a link via PM.
Right now, I'm thinking something between 35 and 45 AH capacity, figuring in that 50% safety fudge factor (I am told that I can expect the batteries to really start dropping capacity as they approach the 20 hour mark and that over time on the bench will drop capacity, even with good maintenance.)
I will send a link to the inverter whitepaper via PM. Good luck and let us know if you get more and better data.
05-27-2013, 09:20 AM
Here is some more info... I'm told that for most of the trip electricity will be available, but for a 3-day period it won't be. If I had a power source for 2 of those 3 days I'd be delighted. My average pressure is 6.5. I'm looking for something light-weight. I found one battery at [link removed] for a DeVilbiss-IntelliPap w/ adapter:
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Moderator Action: Link Removed
05-28-2013, 01:42 PM
(05-27-2013, 09:20 AM)Lydia Wrote: Here is some more info... I'm told that for most of the trip electricity will be available, but for a 3-day period it won't be. If I had a power source for 2 of those 3 days I'd be delighted. My average pressure is 6.5. I'm looking for something light-weight. I found one battery at [link removed] for a DeVilbiss-IntelliPap w/ adapter:
I got a source from DeVillbiss this morning that would show DC current amps drawn at 0.601 at 7 cm for the DV5x series ~ and showing a battery of 8AH capacity for one night, 16 AH for two nights, including a 50% safety margin.
lightest weight battery I could find would be around 1.27 pounds - Lithium IRON (not ion) for about $160 for a 24 AH which I imagine would give three days power. If interested, PM me for a link. Would still require a connection harness and charger.
05-28-2013, 06:40 PM
You suggested replying to you via PM... however, I get a message that you have disabled PM and it won't send my response. Yes, I'm interested in the battery you found, and have some links to send to you...
05-28-2013, 10:57 PM
(05-28-2013, 06:40 PM)Lydia Wrote: TO: OMyMyOHellYes
PM sent to you - I fixed my settings so you should be able to PM me back.
06-05-2013, 04:00 PM
The lithium iron phosphate batteries are freakishly light. I bought one for my motorcycle. 28 amp hours at 3.5lbs. Simply amazing.
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