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Rhythm P2-S4 Portable Oxygen ConcentratorRhythm P2 S4 Portable Oxygen Concentrator The Rhythm P2 S4 Portable Oxygen Concentrator delivers dependable oxygen therapy in a compact, travel ready design built for modern, active lifestyles. Engineered for efficiency and quiet operation, the P2 S4 provides consistent oxygen delivery while maintaining low noise and excellent heat dissipation for enhanced comfort and safety during extended use. Designed with portability in mind, this lightweight
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Rhythm P2-S4 Portable Oxygen Concentrator
The Rhythm P2-S4 Portable Oxygen Concentrator delivers dependable oxygen therapy in a compact, travel-ready design built for modern, active lifestyles. Engineered for efficiency and quiet operation, the P2-S4 provides consistent oxygen delivery while maintaining low noise and excellent heat dissipation for enhanced comfort and safety during extended use.
Designed with portability in mind, this lightweight concentrator weighs as little as 3.3 lbs and features a high-performance adsorption sieve bed that supports optimal oxygen concentration levels. Its flexible battery system allows users to choose single, double, or triple battery configurations for extended runtime, making it ideal for daily errands, travel, and long outings.
With FAA acceptance for in-flight use and included AC and DC charging options, the P2-S4 ensures reliable oxygen support wherever life takes you—at home, on the road, or in the air. Combining performance, convenience, and versatility, it helps users maintain independence and confidence with dependable oxygen therapy.
Key Features
- Compact & Ultra-Lightweight Design – Weighs as little as 3.3 lbs for effortless portability and everyday use
- Flexible Battery Options – Choose single, double, or triple battery configurations for extended runtime up to 7.2 hours
- High Adsorption Sieve Bed – Delivers optimal oxygen concentration (87%–96%) for reliable therapy
- Quiet & Efficient Operation – Low noise output and excellent heat dissipation enhance comfort during continuous use
- FAA Accepted for Air Travel – Approved for use on commercial flights, making it ideal for travelers
- AC & DC Charging Included – Charge at home or in the car for maximum convenience on the go
- User-Friendly LCD Display – Clear 2” screen with simple controls for easy operation and monitoring
- Designed for 24/7 Use – Built for continuous, dependable oxygen therapy day or night
- Multiple Flow Settings – Four adjustable settings to meet varying oxygen needs
- Fast Recharge Time – Approx. 2-hour AC charge time minimizes downtime between uses
Comparison Chart: P2-S4 vs P2-E6 vs P2-E7 vs TOC3
Compare key specs at a glance—delivery type, settings, battery performance, size/weight, and travel readiness. Perfect for product pages, collections, or buying guides.
| Feature | P2-S4 | P2-E6 | P2-E7 | TOC3 |
|---|---|---|---|---|
| Oxygen Delivery | Pulse Dose (4 settings) | Pulse Dose (6 settings) | Pulse Dose (7 settings) | Continuous Flow up to 3 LPM + Pulse (up to 10) |
| Oxygen Concentration | 87–96% | 90% ± tolerance | 90% ± tolerance | 90% ± tolerance |
| Battery Duration (Setting 1) | Up to 7.2 hrs* | Up to 5.4 hrs | Up to 6 hrs | Up to 6.6 hrs |
| Weight | 3.3–4.4 lbs (battery dependent) | 4.37 lbs | 4.37 lbs | 17.2 lbs (with battery) |
| Dimensions | Approx. 6.7" H × 6.2" L × 3.4" W | 8.7" × 6.3" × 3.4" | 8.7" × 6.3" × 3.4" | 11.1" × 6.7" × 15" |
| Noise Level | Low / Quiet Operation | Low Noise | Low Noise | Quiet Operation |
| FAA Approved | Yes | Yes | Yes | Yes |
| Charging Options | AC & DC Car Charger | AC & DC Car Charger | AC & DC Car Charger | AC Power + External Charger Available |
| Best For | Ultra-light travel & daily use | Reliable portable therapy | Higher pulse settings & flexibility | Hospital-to-home & continuous flow needs |
*Battery duration varies by flow setting, battery condition, and configuration (where applicable).
P2-S4
Lightest, travel-friendly option with flexible battery configurations for extended time away from outlets.
P2-E6
Balanced performance and portability for everyday oxygen therapy with dependable pulse settings.
P2-E7
Expanded pulse settings for users who need more adjustment flexibility while staying compact.
TOC3
Hospital-to-home solution with continuous flow up to 3 LPM plus pulse mode—built for 24/7 reliability.
*Rx Only - Please note that this item can only ship once a physicians note or prescription has been sent to [email protected].
Specifications
Portable Oxygen Concentrator Specifications
| Size & Weight | |
|---|---|
| Size (Single Battery) | 3.4” W × 6.2” D × 6.7” H |
| Size (Double Battery) | 6.2” L × 3.4” W × 6.7” H |
| Size (Triple Battery) | 6.2” L × 3.4” W × 7.5” H |
| Weight (Single Battery) | 3.3 lbs |
| Weight (Double Battery) | 4 lbs |
| Weight (Triple Battery) | 4.4 lbs |
| General Specifications | |
| Warm-up Time | 3 minutes |
| Flow Settings | 4 flow settings |
| Oxygen Concentration | 87% – 96% |
| AC Power Supply | 100–240V, 50–60Hz (auto-sensing) |
| Rechargeable Battery | 14.4V DC 3.35A MAX |
| Battery & Power | |
| Single Battery Capacity | 3,400 mAh |
| Double Battery Capacity | 6,800 mAh |
| Triple Battery Capacity | 10,200 mAh |
| Battery Duration | Up to 2.5 hours (Setting 1) |
| Charge Time | Approx. 2 hours (AC) |
| Display & Operation | |
| LCD Display | 2” screen |
| Controls | Simple controls with easy-to-read display |
| Usage | Designed for 24/7 operation |
Videos
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FAQs
Rhythm P2-E6 Portable Oxygen Concentrator — Frequently Asked Questions
What type of oxygen delivery does the Rhythm P2-E6 use?
+
The P2-E6 uses pulse-dose oxygen delivery with six adjustable flow settings (1–6). It delivers oxygen in bursts when you inhale, helping conserve battery life while maintaining effective therapy.
How long does the battery last?
+
Battery duration is up to 5.4 hours on Setting 1. Higher flow settings will reduce runtime. Recharge time is approximately 4 hours using AC power.
Is the Rhythm P2-E6 approved for air travel?
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Yes. The P2-E6 meets FAA compliance requirements for portable oxygen concentrators, allowing it to be used on most commercial flights. Always confirm with your airline before travel.
How much does the unit weigh?
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The concentrator weighs only 4.37 lbs, making it easy to carry with the included carry bag for daily use and travel.
Can I charge the P2-E6 in my car?
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Yes. The unit includes both AC and DC car chargers, allowing you to recharge at home or while traveling.
How loud is the concentrator?
+
The P2-E6 is designed for low-noise operation, making it suitable for use in quiet environments such as bedrooms, offices, or public spaces.
What safety features are included?
+
The unit includes multiple safety alarms and alerts, including:
- Low oxygen concentration warning
- Low battery alert
- High/low temperature warning
- High/low pressure alert
- Power failure notification
- Sieve bed replacement reminder
What oxygen concentration does the P2-E6 provide?
+
The concentrator delivers oxygen at approximately 90% concentration (-3% / +6%), ensuring consistent therapeutic output.
How easy is it to operate?
+
The P2-E6 features simple controls and a clear 2.8” LCD display, making it easy to adjust settings and monitor performance.
Can the P2-E6 be used continuously?
+
Yes. The unit is designed for 24/7 use, making it suitable for both daytime activities and overnight therapy (as prescribed by a healthcare provider).
What maintenance is required?
+
Routine maintenance includes:
- Keeping air vents clean and unobstructed
- Charging the battery regularly
- Replacing the sieve bed when indicated by the alarm
- Following manufacturer guidelines for cleaning
Who is this concentrator best suited for?
+
The Rhythm P2-E6 is ideal for:
- Active users who need oxygen on the go
- Frequent travelers
- Individuals seeking a lightweight, portable solution
- Patients transitioning from hospital to home care
Warranty
Warranty:
• Device: Three years
• Sieve bed: Two years
• Battery: One year
Rhythm P2-S4 Portable Oxygen Concentrator
Item no
:
10690692030
US$ 1497.50
Pay in 4 interest-free payments of $374.38 Learn more
Min. order:
1piece
Shipping Estimate
USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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