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Rhythm P2 Portable Oxygen Concentrator
The all-day portable that fits most active oxygen users — genuine, new, and FAA-approved for flights.
US$1,945.00
Condition
✓ 3-yr device / 1-yr sieve / 1-yr battery · authorized Rhythm dealer
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Call (786) 755-8063FAA approvedFDA clearedAuthorized Rhythm dealerFree shipping $99+
5pulse settings (1–5)
1,000mL/min max output
4.37 lbultralight
up to 5 hbattery, setting 1
5pulse settings (1–5)
1,000mL/min max output
4.37 lbultralight
up to 5 hbattery, setting 1
- 5 pulse settings (1–5) · up to 1,000 mL/min oxygen output
- Ultralight 4.37 lb · up to 5 hours per battery on setting 1
- FAA-approved for commercial flights · FDA-cleared (prescription required)
- Authorized Rhythm dealer · new unit · full manufacturer warranty
FAA approvedFDA clearedAuthorized Rhythm dealerFree shipping $99+
THE ALL-DAY ANCHOR · AUTHORIZED RHYTHM DEALER
One portable that keeps up with a full, active day
Choosing a portable oxygen concentrator shouldn't feel like a gamble. The Rhythm P2 is the model most people land on because it covers the everyday reality of oxygen life — errands, appointments, a day out with family, a flight to see the grandkids — without weighing you down or running out of charge by lunchtime. Five settings, real all-day battery, and a weight you barely notice on your shoulder.
American Oxygen is an authorized Rhythm Healthcare dealer. Every P2 is a new, genuine unit — FDA-cleared and FAA-approved — backed by the full Rhythm manufacturer warranty.Why the Rhythm P2
Five settings, room to breathe
With pulse settings 1 through 5 and up to 1,000 mL/min of oxygen, the P2 comfortably covers the most common prescriptions and gives you headroom for more active moments. If your doctor set you at 2, 3, or 4, this is your sweet spot.
All-day battery, ultralight body
At just 4.37 lb with up to 5 hours per battery on setting 1, the P2 disappears on your shoulder and lasts through most outings. Carry a second battery and you're covered for a full travel day.
FAA-approved & FDA-cleared
The P2 is FAA-approved for use on commercial flights, so it travels with you in the cabin. It's also an FDA-cleared medical device — genuine, prescription-grade, not a grey-market import.
Where the P2 sits in the family
Your prescribed flow setting decides the model. More settings means more oxygen headroom. The P2 is the all-day middle — more oxygen and battery than the S-series, lighter and simpler than the E-series.
Rhythm P2Rest of the P2 family
1–31–41–51–61–7
The P2 delivers pulse settings 1–5, up to 1,000 mL/min — the all-day middle of the range
Bars show each model's top pulse setting. Need continuous flow (for sleep or higher-liter needs)? That's the transportable TOC3, a different category. Pulse-dose output is not equivalent to continuous-flow LPM.
Battery runtime by setting
Real hours per charge, and what each setting is best for. Higher settings deliver more oxygen per breath and use more battery.
| Pulse setting | Runtime per battery | Best for |
|---|---|---|
| Setting 1 | ~5 h | Longest battery life — ideal at a low pulse setting |
| Setting 2 | ~4 h | A good balance of runtime and oxygen |
| Setting 3 | ~3 h | Mid-range use, more oxygen than the low settings |
| Setting 4 | ~2h 14m | Higher oxygen demand; shorter runtime |
| Setting 5 | ~1h 50m | Maximum output; shortest battery life |
| Recharge — AC wall adapter | up to 4 hours |
| Recharge — DC car adapter | up to 4 hours (varies with power) |
| Spare battery — external charger | with the compatible external charger |
Rhythm rates the battery to charge in no more than 4 hours. For daily use, plan your runtime with a margin — especially for long outings, travel, appointments, or flights.
The Rhythm P2 has 5 pulse flow settings. Oxygen delivered per pulse varies with the setting and your breath rate: at a lower breath rate the volume per pulse can be higher; at a higher breath rate it adjusts to keep the system performing.
Which Rhythm P2 is right for you?
The P2 is the anchor. Go lighter with the S-series, or step up to the E-series for higher prescriptions.
| P2-S4 | Rhythm P2 | P2-E6 | |
|---|---|---|---|
| Pulse settings | 1–4 | 1–5 | 1–6 |
| Max oxygen output | — | 1,000 mL/min | 1,200 mL/min |
| Weight | 3.3 lb | 4.37 lb | 4.37 lb |
| Battery (setting 1) | up to 7.2 h (triple) | up to 5 h | up to 5.4 h |
| FAA-approved / FDA-cleared | Yes / Yes | Yes / Yes | Yes / Yes |
Details
What is the Rhythm P2?
The Rhythm P2 is a compact, ultralight pulse dose portable oxygen concentrator for oxygen users who want to stay mobile during errands, appointments, family visits, and travel. It delivers five pulse flow settings up to 1,000 mL/min, all-day battery, and quiet operation in a 4.37 lb body you can carry all day.
It is designed for users who have been prescribed pulse dose oxygen therapy. It is not a continuous-flow concentrator — if you require continuous oxygen delivery, look at the Rhythm TOC3 or confirm alternatives with your clinician.
Who it's for
- Active oxygen users whose prescription reaches setting 2, 3, 4, or 5 and who want to leave the house without hauling a stationary unit.
- Travelers — FAA-approved for commercial flights, lightweight for road trips and cruises.
- Caregivers looking for a genuine, supported unit with a real manufacturer warranty.
Pulse dose only. Confirm your prescription and required setting with your clinician.
Technical specifications
| Oxygen delivery | Pulse dose, settings 1–5 |
| Oxygen concentration | 87% – 96% (93% typical) |
| Weight | 4.37 lb (1.98 kg) with battery |
| Dimensions | 8.7" D × 3.4" W × 6.3" H (22.1 × 8.6 × 16.0 cm) |
| Battery capacity | 6,800 mAh (6.8 Ah), 14.4V · user-replaceable |
| Battery runtime | up to 5 hours on setting 1 |
| Recharge time | approx. 4 h (AC) · ~2.5 h with optional external charger |
| Warm-up time | 2 minutes |
| Power | AC 100–240V (worldwide) + DC car charger |
| Operating altitude | up to 10,000 ft (3,048 m) * |
| Operating temperature | 41–104°F (5–40°C) * |
| Delivery type | Pulse dose (not continuous flow) |
| Certifications | FAA-approved for flights · FDA-cleared (prescription required) |
* Altitude and temperature ranges reflect the Rhythm P2 platform; confirm exact figures for your unit with our team.
Accessories & replacement parts
Genuine Rhythm parts keep your P2 running for years — all available from American Oxygen:
- Replacement battery (P2BY001-2) — carry a spare for full travel days.
- Intake filters (P2FC-1) — the 5 included get you started; replacements available.
- External battery charger — charges a spare outside the unit (~2.5 h).
- AC wall supply & DC car charger — replacements and spares.
- Carry bag & cannulas — genuine accessories.
How the P2 compares to the S-series and E-series
S-series (S3 / S4): lighter and lower-cost with fewer settings and a stackable modular battery. Best if you only need low settings.
P2 (this unit): the middle — 5 settings and all-day battery — which is why it's the most popular.
E-series (E6 / E7): adds settings and output (up to 1,200–1,400 mL/min) for higher prescriptions, altitude, or exertion, in the same 4.37 lb body.
What's included
Rhythm P2 concentrator, rechargeable battery, AC wall power supply, DC car charger, carry bag, nasal cannula, accessory bag, and user manual — plus 5 replacement filters free from Rhythm. Sold by American Oxygen in Doral (Miami), FL with nationwide U.S. shipping and warranty support.
Why buy from American Oxygen
- Authorized Rhythm dealer — genuine, new units only, no gray-market imports.
- Full Rhythm warranty: 3 years on the device, 1 year on sieve columns, 1 year on the battery.
- Genuine parts & sieve columns available so your unit keeps running for years.
- Doral (Miami) pickup or fast nationwide shipping, free over $99.
Frequently asked questions
Is the Rhythm P2 approved for airline travel?
Yes. The P2 is FAA-approved for use on commercial flights and travels with you in the cabin. Airlines typically ask for advance notice and enough charged batteries for about 150% of your flight time.
Do I need a prescription to buy the P2?
Yes. The P2 is an FDA-cleared prescription medical device. American Oxygen can help you understand what's needed — just ask when you call.
How long does the battery last?
Up to about 5 hours on setting 1, and around 1.5 hours on setting 5. Many customers carry a second battery for full travel days.
Is this a new unit with warranty?
Yes. American Oxygen is an authorized Rhythm dealer. Every P2 is new and genuine, backed by the Rhythm manufacturer warranty — 3 years device, 1 year sieve columns, 1 year battery — plus our local support.
How is the P2 different from the S-series or E-series?
The S-series (S3/S4) is lighter and lower-cost with fewer settings; the E-series (E6/E7) adds settings and battery for higher needs. The P2 sits in the middle — 5 settings and all-day battery — which is why it's the most popular.
Not sure the P2 is your setting? We'll help you choose.
Tell us your prescribed flow setting and we'll match you to the right Rhythm — just call.
Call (786) 755-8063| Dimensions | 15 × 13 × 11 in |
|---|---|
| Condition | |
| Pulse settings | 5 |
| Warranty | |
| Operating Mode |
2 reviews for Rhythm P2 Portable Oxygen Concentrator
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George Lance –
Thanks for saving me a lot of money with this machine. Everything works perfectly, and I didn’t have to spend money on an Inogen. Extended warranty and everything! Thanks, Rocco!
TERRY PATTON (verified owner) –
The concentrator is just perfect. Thank you for your timely service. I received the new machine with incredible speed. Amazing.