Comments on: Respironics CPAP DC Cable

By: B Quella

B Quella — Wed, 23 Sep 2009 20:55:13 +0000

That should be 5.5mm by 2.5mm by 15..

By: B Quella

B Quella — Wed, 23 Sep 2009 20:54:09 +0000

I have the REMstar Plus M Series. My machine takes a coaxial dc plug of 5.5mm OD by 23.5mm OD by 15mm in length.

By: rob

rob — Thu, 31 Jul 2008 20:37:55 +0000

Hello,

Thanks for the comments. I’m using a 120AH RV battery. It’s big, but I want to ensure I don’t run short of power. Aside from just feeding the CPAP I also plan to use it for other things while camping or operating emergency communications (Amateur Radio).

The battery I bought is here:

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&rd=1&item=140249163606&ssPageName=STRK:MEWN:IT&ih=004

In testing it at home before going camping (I hate surprises), I logged 50 hours of CPAP time and it didn’t really dent the battery too much. One of these days I’ll actually measure the actual current draw, but I think it’s well under the 3A rating.

For solar chargers I’m not really too sure to be honest. I have 2 small panels both capable of 1.5w, so 3w in total. It’s not much but given the long days right now it should be at least 30% of the nights usage I expect. They’ll never fully charge the battery while I’m using it at night but it certainly replace some of the power used. I am planning to take an AC charger for the battery as well with me just incase. If I have too I’ll just bribe someone with a caravan with Beer or Wine to let me leave it with them to charge up for a day

Good luck on your camping, I’d be interested in hearing how you make out.

By: Karl Hodges

Karl Hodges — Thu, 31 Jul 2008 19:39:24 +0000

Great, Just what I\’ve wanted exactly! What size battery did you go with? The machine says 3 amps DC. I need 10 hrs each night. My guess is that means somewhere around 40 to 50 amp hours (so there will be at least 20% of DOD left).

Yes I will be camping too. I also want to get a good solar charger and would love your input there as well.