I am still currently in the testing phase to see how long my system will last but I will give guys interested in this topic an idea of what my system consists of. I have the transcend micro cpap with a resmed f20 mask and the tubing that comes with the transcend micro.
My biggest issue like most was they power situation. Since I plan to backpack in for an extended amount of time,(5 or more days) battery size was a concern. My first thought was if I could find a battery with 3 days of storage and a solar charger that I could use to top off every day in case weather/solar charging capability was not possible due to bad sun conditions. The main issue I ran into was weight.
I was looking at the goal zero Sherpa 100ac with a solar panel. This pack allowed me to get 3 days before it was dead. At around 4 1/2 pounds for the battery/solar panel combo it seems heavy for its capabilities. After doing some research I came across something that made me question this option. If you use a 12 volt battery that converts the power to a 110 outlet you lose efficiency. Keep in mind I did not personally test this but I read it enough to make me question it.
My next thought was maybe I could get a large enough battery pack that I would not need to charge it and that it could use a 12 volt to 18 volt converter as the transcend uses a 19 volt inverter going from 110 to 19 volts. While I was doing some looking around I came across a few videos, one of which was from outside of this country from remsleep. They had a battery pack that had the converter built in and you could choose 12/16.5/20/24 volts. Another plus side to this was that this battery was rated at around 72,000 [email protected] volts…… that’s a lot of juice! Weighing in at 3.3 pounds it is hefty but losing the solar charger it was over a pound lighter. It sounded like a great option so I figured I’d give it a shot. I went to purchase it and just my luck, it’s not available in the us.
Back to the drawing board. I looked into the aimTom pack but again I was worried that the weight to day count led me to looking for something else.
That’s when I stumbled across the option I am currently testing. I was scrolling thru Amazon when I found a battery pack that looked exactly like the the remsleep battery. It’s called the renogy 72,000 mAh power bank. After further investigation, it seemed to me that this was in fact the same exact one but just a different brand and at $160 I figured I’d give it a try. This pack has the same capabilities as the remsleep being able to choose your voltage. Another plus side to this is that you can leave the heavy brick of a power inverter at home. This kit comes with quite a few plug-in adapters to accommodate a bunch of machines.
I want to test this system before I can recommend it so I am going to use it at home to see how long it will last. My therory is that if people are getting 5 days out of the aimTom I should expect around 7 days. I will also be charging my phone every other day on this battery as well as my smart watch and possibly an Inreach mini to see if this battery is capable of keeping me away from having to use any other power source for my electronics. This whole systems weighs in at 4 pounds 9.5 oz. Total including a dry bag. I will update when the battery runs out of power.
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