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Does anyone know of a 12 volt system that is portable and reliable? What about a battery pack?

My car....Just crawel in and go to sleep. plug it into the lighter......LOL...........Try a xantrax power pac or a K&K jump starter.

http://sportsimportsltd.com/acdcpopopasu.html

http://www.tooltopia.com/browseproducts ... -Amp-.HTML

Or this cpap that has its own battery. Its not out yet
http://www.aeiomed.com/

If you really want POWER give this a try.

http://store.yahoo.com/macyummies/xaxp15.html

I use a 115 amp hr deep cycle battery to run my PB420E.. I have used it longer than 2 weeks without charging. I have also used it with a Resmed Spirit with Humidifier using a pure sine wave inverter..My next experiment will be using the PB 420E with heated humidifier and aussie heated hose, 420E and heated hose direct wired. Humidifier thru inverter.

Cheers,

Chris

Many xPAPs, imcludimg Respiromics Remstars, run on 12 volts directly (without the heated humidifier). For example the Remstar Plus draws 2 amps, The Remstar Auto with C-Flex draws 3 amps.

I'm scratching my head as to whether to in install a separate battery on my boat (in thumbnail) for the APAP. I have 400 amp. hrs. available, but with the refrigerator running all the time, the extra 24 amp. hours/night might be just too much drain for a two day trip without running the engine.

derek
... who loves messing around in boats

I've got a Puritan Bennet GoodKnight 420S CPAP. Works great on 12v. runs on 12v with a transformer that goes into the 120v wall plug. It is lighter than any other too (that I know of.)

I use a Xantrex Xpower powerpack 400, available at Sears or GI Joe's for around $90. It weighs about 20 lbs, and I've been able to get three nights on it with my Remstar Pro at a pressure of 8. It has an inverter built in, although I don't know how well it works for an AC-only CPAP. I use the 12v DC capabilities.

I also own a 60lb 92 Amp-hour deep-discharge marine GEL battery, but for weekend camping, the powerpack is a great solution for me. As for the humidifier... don't even think about it!

I have been meaning to get a battery back up for a long time. However I am a procrastinator and we have not had severe electrical outages for a while. And I have not been camping for a longer while, although I keep intending to go. The last time I research battery backup there were several good information sites. One problem I notices is that the higher one's pressure setting is the faster the batttery uses up its power. Also, some cpaps are ready to use with a battery and some need an inverter. I saw puritan bennet had a waist pack battery which looked neat. I have wondered about the batteries I have seen for backseat car DVD players. Haw anyone tried using one for a cpap?