I've spent way too many years carrying around a big heavy lithium ion batteries. For my recent ResMed AirMini, I decided that I'd upgrade to a later model and see whether it makes a big difference compared to what my older HMD Z1 could do.
The Pilot-24 weighs 567g. With the Airmini adapter cable (24g), that's a total of 591g. The HDM off-grid power pack (shell + battery) comes in about 100g lighter at 490g. But the HDM Z1 battery could only get me 4 hours per night for 2 nights, while the Pilot-24 happily gave me 7 hours of therapy a night for 2 nights, so the additional 100g is justified. (In addition, the Resmed AirMini is a much quieter machine than that HDM Z1!)
The biggest issue with the Pilot is that the charger requires a heavy duty charger to charge fast. The official pilot-24 charger (24V@3.75A) weighs 376g. You could just carry the charging cable for the Airmini, but at 20W, it's going to take 5 hours to charge the battery, which isn't acceptable on a sailing trip.
For backcountry camping, the entire package (ResMed AirMini + nasal pillow + pilot 24 + adapter) comes in at 1242g, or 10g lighter than the HDM Z1 equivalent, while giving more hours of therapy. I'd venture to say that the combination is a significant upgrade over the HDMZ1 and well worth considering.
Recommended.
Wednesday, June 05, 2019
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