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Outlets aren't guaranteed on planes, in tents, or during storms. The Freedom CPAP Battery 160 is built for that uncertainty — a high-capacity, airline-friendly backup power supply for CPAP therapy at home and away. At 160Wh, it's the largest lithium-ion battery capacity currently permitted in airline carry-on luggage.
This is the battery to choose if you want the maximum runtime available in an airline-compliant unit — whether that's for long-haul flights, extended camping trips, or simply wanting the most buffer possible during home power outages. If you use a heated humidifier or heated tubing regularly, plan around roughly 1–2 nights of runtime rather than the full 3–5, since those features draw considerably more power. If you use a Transcend Micro machine, you'll need a separate cable (see below) to connect it.
Airline lithium battery rules generally cap carry-on capacity, and 160Wh sits right at that ceiling — roughly 60% more capacity than earlier 99–100Wh CPAP travel batteries, while remaining compliant for carry-on. That extra headroom is the main reason to choose the 160 over a smaller battery if you travel frequently.
Beyond travel, the Freedom 160 functions as an uninterruptible power supply at home: if the power goes out, it takes over automatically, so your therapy continues without a scramble for cords or a missed night.
A roughly 2–3 hour recharge time means you're not waiting overnight to get back to a full charge, which matters if you're using it on consecutive travel days.
The built-in Quick Charge 3.0 USB port lets you top off a phone or tablet without pulling power away from your CPAP's overnight runtime.
To reach the advertised 3–5 nights, heated humidification and heated tubing need to be turned off — these features draw significantly more power than the blower alone. With heated humidification in use, expect closer to 1–2 nights per charge instead. A few habits help stretch every charge further:
The Freedom 160 works out of the box with:
Transcend Micro users: a separate cable is required and sold separately — the Freedom 160 does not connect to the Transcend Micro out of the box.
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Spec |
Detail |
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Brand |
Freedom |
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Capacity |
160 Wh lithium-ion |
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Runtime (no heated humidification) |
3–5 nights |
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Runtime (with heated humidification) |
Approx. 1–2 nights |
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Recharge time |
2–3 hours |
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USB output |
Quick Charge 3.0 |
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Airline compliance |
FAA/TSA approved for carry-on |
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Compatible machines |
AirSense 10, AirSense 11, AirMini, DreamStation 1/2, Luna G3 (Transcend Micro requires separate cable) |
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Prescription required |
No |
Download the Freedom 160 User Manual for complete setup, charging, and troubleshooting details.
Yes, if heated humidification and heated tubing are turned off. With those features running, expect closer to 1–2 nights per charge, since they draw considerably more power than the CPAP blower alone.
Yes. At 160Wh, it's within the FAA and TSA capacity limit for lithium-ion batteries in carry-on luggage — the largest capacity currently permitted.
Not out of the box — a separate cable is required for the Transcend Micro and is sold separately.
Approximately 2–3 hours for a full recharge.
Yes, via the built-in Quick Charge 3.0 USB port, though using it will draw from the same battery capacity powering your CPAP.
Yes. It functions as an automatic uninterruptible power supply, taking over immediately if home power goes out.
