My Z2 does not run well on 12 volts. Z-Breath does not drop pressure and it stops intermittently. i found a 12V to 15V converter https://www.powerstream.com/ADC-p006.htm. I purchased the PST-YD100W 100 Watts. I have an old CP-266 battery (266 Watt Hours) after 2 nights I still have 75% remaining. T...

I do mountaineering in the Pacific Northwest and this is what I have been looking for. Thank you for posting this. Also, has anyone found other boost converters since this post. The one mentioned is not available. Anyone using a Z2 APAP at high altitude?