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  2. Portable oxygen concentrator - Wikipedia

    en.wikipedia.org/wiki/Portable_oxygen_concentrator

    A portable oxygen concentrator (POC) is a device used to provide oxygen therapy to people that require greater oxygen concentrations than the levels of ambient air. It is similar to a home oxygen concentrator (OC), but is smaller in size and more mobile. They are small enough to carry and many are now FAA -approved for use on airplanes.

  3. Oxygen concentrator - Wikipedia

    en.wikipedia.org/wiki/Oxygen_concentrator

    Oxygen concentrator. An oxygen concentrator is a device that concentrates the oxygen from a gas supply (typically ambient air) by selectively removing nitrogen to supply an oxygen-enriched product gas stream. They are used industrially, to provide supplemental oxygen at high altitudes, and as medical devices for oxygen therapy.

  4. Chemical oxygen generator - Wikipedia

    en.wikipedia.org/wiki/Chemical_oxygen_generator

    Chemical oxygen generator. A chemical oxygen generator is a device that releases oxygen via a chemical reaction. The oxygen source is usually an inorganic superoxide, [ 1] chlorate, or perchlorate. Ozonides are a promising group of oxygen sources, as well. The generators are usually ignited by a firing pin, and the chemical reaction is usually ...

  5. The best personal breathalyzer - Engadget

    www.engadget.com/2017-09-01-the-best-personal...

    There's a lot to like about the S80 Pro, but above all else, it's the best because it's the most accurate. BACtrack claims that the S80 Pro can track BAC levels from 0.000 percent to 0.400 percent ...

  6. The best portable power stations - Engadget

    www.engadget.com/2019-02-17-the-best-portable...

    The Suaoki G500, powering a portable projector and an iPhone. Photo: Sarah Kobos. A portable power station is the best solution if you're looking to spend long periods of away from household AC ...

  7. The best power banks and portable chargers for 2024 - Engadget

    www.engadget.com/best-power-bank-143048526.html

    Quick Overview. Anker MagGo Power Bank (10K) Best MagSafe-compatible power bank. $90 at Amazon. Anker Nano Battery (Foldable USB-C) Best battery for a partial charge on an Android. $26 at Amazon ...

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