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Sierra

Sierra
Joined Jul 2018
Bio

CPAP: AirSense 10 AutoSet

Set to CPAP Fixed Mode

Pressure 11 cm

Ramp: Auto

Ramp Start: 9 cm

EPR: 2, Full Time

Mask: ResMed AirFit P10 Nasal Pillow

Canada

Sierra
Joined Jul 2018
Bio

CPAP: AirSense 10 AutoSet

Set to CPAP Fixed Mode

Pressure 11 cm

Ramp: Auto

Ramp Start: 9 cm

EPR: 2, Full Time

Mask: ResMed AirFit P10 Nasal Pillow

Canada

Let me try to help a bit. First off, I am not sure how one could get a battery arrangement for a full sized home machine on an airplane. Not optimistic there is a solution, with regulations today, but their might be. I believe some planes do have 110 volt ac on them and if you had that, then you could just plug in your normal power supply. There may be a current limit, but if you turned the humidifier off and heated hose off, you could be within that limit.

In a home or camping battery situation, the most straightforward way would be to get a 12 volt deep cycle battery at Canadian tire. They have their own standard lead acid brand, or you could go for an AGM type for more reliability and less chance of spilling acid at an extra (2-3 times more...) cost. If you use a 12 volt to 24 volt converter from ResMed that is the most energy efficient way to get the needed 24 volts. They are about $130, but you should check with ResMed or the dealer that they will fit your ASV machine. The other way is to just use a 300 watt inverter available at Canadian Tire. They are cheaper but not as efficient. As far as battery size have a look at this table.

The top situation is without a heated hose and the humidifier turned off. At a 16 cm IPAP it suggests that current draw (at 12 volts) would be 1.23 amps and a 15 amp hour battery is recommended. That is a fairly small battery and a lawn tractor or motorcycle battery might work. However they are not deep cycle and can be expensive. A full sized 24 or 27 deep cycle battery may be more practical, but much heavier. If you take the more normal second last case in this table with the heated hose and humidifier on in Auto, and a 16 cm IPAP, it says 4.21 amps and a 51 amp hour battery. That is pretty close to a normal size 24 battery like this one at Canadian Tire, which is rated at 65 amp hours.

Based on our camping experience, I would suggest a 100 watt solar panel is about the size needed to recover each day from the night before.

Hopefully that helps some.