SKU: 4918835685

Buy 7L Adjustable Oxygen Generator Small Portable Oxygen Concentrator O2 Mini 93% Oxygen Concentration with Rechargeable Battery & Travel Backpack

Sale price$571.94 Regular price$635.49
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Description

Buy 7L Adjustable Oxygen Generator Small Portable Oxygen Concentrator O2 Mini 93% Oxygen Concentration with Rechargeable Battery & Travel BackpackBuy now (shipping in 3 4 days), local warehouses in Mexico, the US and the EU. One year quality warranty can be guaranteed from official store. Highlight: REA 7 Portable Small Oxygen Concentrator This is our newest model, 7 liter power flow at unbeateable price! 1) Powerful 7 Liter large oxygen flow, but mini and portable size This handheld portable oxygen concentrator is 1 7 gears adjustable, but with a rather exquisite ,mini & lightweight body,

Buy now (shipping in 3-4 days), local warehouses in Mexico, the US and the EU. 

One-year quality warranty can be guaranteed from official store.

Highlight: REA-7 Portable Small Oxygen Concentrator

This is our newest model, 7 liter power flow at unbeateable price! 

1) Powerful 7 Liter large oxygen flow, but mini and portable size
This handheld portable oxygen concentrator is 1-7 gears adjustable, but with a rather exquisite ,mini & lightweight body, 170mm * 80mm * 198mm, 1.45kg; (6.7*3.1*7.8 inch, 3.2 pounds). 

2) 7600mAh Long-Lasting Lithium Battery
Comes with the rechargeable lithium battery, perfect for traveling off-grid, the REA-7 portable oxygen concentrator lets you enjoy up to 8 hrs of continuous oxygen (with double battery). 

3) Ultra Quiet Operation, Low Noise When Working 
About 30 dB at 1 gear , the DEDAKJ Respireasy REA oxygen concentrator ranks among the quietest portable oxygen concentrators on the market.
When this mini oxygen concentrator is put in the carry bag, you even can not feel any working noise from it.

4) Versatile Power Options
The RESPIREASY REA mini oxygen concentrator boasts multiple power options — AC, DC, and battery — for optimal travel safety and convenience. Its ultra-quiet design is perfect for home use and on airplane travel trips. 

5) Shoulder Carrying Bag
Comes with the portable shoulder carrying bag, making it very easy to take this mini oxygen concentrator for traveling and outdoor shopping.

6) One Year Quality Warranty can be enjoying in our Official Store!
As the honorable and reliable oxygen concentrator manufacturer supplier, we offer 1 year quality warranty to our customers! 
The good quality can be guaranteed! 

RESPIREASY Portable Oxygen Generator Solves Your Oxygen Needs Problems

1. Portable oxygen generators are inconvenient to carry around.

  • Modern portable oxygen generators weigh as little as 1.1kg-2.25kg, supporting use in shoulder bags, backpacks, and cars, making outings easier. Some models are also FAA certified, allowing direct boarding.

2. Portable oxygen generators have unstable oxygen output.

  • High-end portable oxygen generators use intelligent breathing sensing technology, automatically adjusting oxygen supply based on breathing rate to ensure a stable oxygen concentration of 87%-96%. Stable oxygen supply is maintained even during exercise or climbing stairs.

3. Oxygen generators cannot be used during power outages.

  • Supports lithium battery power and car DC power. Some models support hot-swappable dual batteries, allowing for several hours of continuous use during power outages, reducing the risk of oxygen deprivation.

4. Oxygen generators can easily cause oxygen deficiency during travel.

  • Up to 10 hours of battery life, suitable for travel, long-haul flights, road trips, etc. (dual battery only).

5. Unsettled Oxygen Supply During Nighttime Sleep

  • Utilizing low-noise compressor technology, the operating volume is as low as 37-40dB, ensuring undisturbed sleep while providing a continuous and stable oxygen supply.

6. Short Battery Life

  • Supports expandable batteries and dual-battery designs, providing 6-10 hours of continuous use in high-endurance mode, meeting all-day travel needs.

7. Insufficient Oxygen at High Altitudes

  • Some portable oxygen concentrators support operation at altitudes of 4000m (13000ft), suitable for high-altitude travel, mountain travel, and aviation environments.

8. Elderly Users Unable to Operate the Device

  • Features simple buttons, large font display, and an intuitive control panel design, allowing even the elderly to easily operate the device independently.

Multiple Using Conditions, Travel- Friendly Mini Portable Oxygen Concentrator 

It has 3 working models, for home use, car use & outdoors travel.
1, REA portable oxygen concentrator can be powered by either a 7600mAh or 9800mAh battery. 1.5- 4.0 hours working time after fully charge, ideal to take along with it for outdoor activity and travel.
2, Powered by car voltage, you can use it in car. 
3, Plug in with the AC electricity directly. When you are in home, you can use this kind of working model. 

 

Technical Specifications:

1. Product Name: Portable REA 1-7 L Adjustable Continuous Flow Oxygen Generator
2. Application Scenarios: Mountaineering, High-speed Rail, Cars, Travel, Business Trips, High Altitudes, etc.
3. Product Length * Width * Height Cumulative Size: 170mm * 80mm * 198mm (6.69 X 3.14 X 7.79 Inches)
4. Product Weight: 1.45Kg ± 0.2Kg (including battery) (3.14 pounds)
5. User Page: 2.8-inch Color Touch LCD Screen
6. Operating Noise: ≦30 dB(A), ultra low noise
7. Oxygen Purity: 93%±3% at all gears, high oxygen concentration
8. Support car using (with car charger)
9. AC power supply: AC100-240V 50/60 Hz 100VA
10. Built-in battery: 7600 mAh and 9800 mAh Lithium Battery, 14.4V DC
11. Battery life: up to 4.5 hours (1 gear operation)
12. Warranty: 1 years

Package Contents:

1, Main oxygen concentrator 1 unit
2, Rechargeable lithium battery 1 unit 
(The extra battery and External Battery charger need to buy additionally )
3, Portable backpack 1 unit
4, Inlet oxygen filters 2 unit
5, Water-locking cottons 2 unit
6, Water tank 1 unit
7, AC adapter (with power cord) 1 unit
8, DC Car charger 1 unit
9, Nasal oxygen cannula 1 unit
10, Quality Certificate 1 unit
11, Instruction Manual 1 unit

Suggestion: 
1, As the plug shapes are different between US and EU, the universal plug adapter needs to buy additionally.
2, If in need, the extra lithium battery and External Battery Charger need to buy additionally.

Peace of Mind Purchase:

  • 1-Year Manufacturer Warranty
  • 7-Day Money-Back Guarantee
  • 30-Day Free Return and Replace

 

User Manual(CLICK &CHECK)

《Instruction User Manual of Portable Oxygen Concentrator REA》

 

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 4918835685

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4.1 ★★★★★
Based on 27 reviews
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Product Reviews
D
Verified Purchase
don
San Leandro, US
★★★★★ 5
Works well!
Style: 16 oz
This stuff works well. I've only ever used it after my tires had been punctured and ran flat... I haven't had a flat this wouldn't seal... 3 uses so far all 3 have fixed flats and been many miles put on since the repairs. I start with as little as possible and if it doesn't seal I just add more, I think I've managed to use far less than recommended and successfully sealed punctures. I've only used it on fat tire e-bike tires. I'm pretty comfortable with the seal and I have no plans to replace the tubes, which saves me a fair amount of trouble. I will update if it springs any leaks without new punctures. It's very easy to use and actually pretty clean especially compared to automotive type tire repair foams. The first repair I used it for was a brand new bike that just wouldn't hold air in the rear, totally unsure what caused it to keep losing air but 2 or 3 small doses of slime fixed it. The most recent slime repair, I had a wobbly bike ride which felt weird and I couldn't figure out why but a few hours after I had returned home both tires were totally flat. They both had a handful or more of some really heavy duty thorns stuck in the tire that likely barely punctured the tubes but the rear tire also had a roofing nail in it. I did not think the slime was going to fill that one, it was a pretty heavy leak once I removed the nail, but Slime did seal it and I've since ridden the bike twice and in the same rough conditions I normally would still holding strong at higher pressure than I normally ride, have yet to drop back down since refilling but I am hoping and expecting it won't be a problem. Two thumbs up. I always keep a small tube in my bike bag and I am confident if I ever need it while I'm out and about it will be useful.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
A
Verified Purchase
Artie
Pawtucket, US
★★★★★ 5
Who can live without slime great stuff and a good price. 👍
Style: 32 oz
If anyone has an outdoor anything that takes air. You should never be caught without this stuff. It seals your tires on almost anything and it lasts longer than you would expect. It’s easy to use and easy to clean up after using it. It will work well for anything that is supposed to hold air. Great product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
M
Verified Purchase
Mudd
Whiting, US
★★★★★ 5
Title: Reliable, Easy-to-Use, and Worth Every Penny
Style: 32 oz
I’ve been using Slime tire sealant for my fat tire e-bike, and I can say with confidence that this product delivers exactly what it promises. The application is simple, the results are consistent, and the peace of mind it provides is invaluable. For anyone who rides regularly — whether for commuting, recreation, or deliveries — this is a product that pays for itself many times over. The first thing I appreciate about Slime is how easy it is to install. The bottle is well-designed, the instructions are clear, and the process takes just a few minutes. You simply deflate the tire, remove the valve core, squeeze in the recommended amount, reinstall the valve core, inflate, and spin the wheel to distribute the sealant evenly. No special tools, no mess, and no guesswork — just a straightforward, user-friendly process. Performance-wise, Slime does exactly what it’s supposed to do: seal punctures quickly and effectively. I’ve had nails, thorns, and sharp debris puncture my tires while riding, and in every case where the leak was within the tread area, Slime sealed it instantly. There’s something incredibly reassuring about hearing that faint hiss of air for a second, then watching it stop as the sealant does its job. It’s a real-time reminder that this product is actively protecting you from being stranded. What sets Slime apart from other sealants I’ve tried is its durability. Once applied, it stays active inside the tube for months, ready to respond to new punctures as they happen. It doesn’t dry out quickly, it doesn’t clump up, and it doesn’t cause balance issues with the tires. For someone who rides almost daily, that reliability is a huge plus. Another thing I respect about this product is that it’s non-toxic and environmentally friendly. If a bit of sealant escapes during a repair, I don’t have to worry about it harming the environment. It’s also water-soluble, making cleanup easy if I ever need to replace a tube or tire. That attention to safety and sustainability shows that the company isn’t just making a great product — they’re doing it responsibly. The value for the price is excellent. One bottle goes a long way, and when you factor in the cost of replacing tubes, paying for roadside repairs, or even the inconvenience of being late because of a flat, Slime is an investment in both savings and peace of mind. For delivery riders like me, it’s especially valuable — every flat avoided means another day of work uninterrupted. In short, Slime is one of those rare products that I can recommend without hesitation. It’s easy to use, effective, long-lasting, and backed by a company that clearly understands the needs of cyclists and e-bike riders. It has already saved me from countless headaches, and I plan to keep a bottle on hand at all times. If you ride regularly and haven’t tried it yet, you’re taking an unnecessary risk — this is one of the best preventative tools you can add to your maintenance kit. Verdict: Five stars for performance, ease of use, and overall value. Slime is a must-have for any serious rider who values reliability and wants to keep rolling no matter what’s on the road.
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Reviewed in the United States on August 11, 2025
D
Verified Purchase
Dina Stewart
Alexandria, US
★★★★★ 4
Slime is good, pump is a disaster
Style: 1 gal, Style: 1 gal
The only reason I am giving this a 4 star(not zero) rating is the slime itself. The actual pump on the 1 gallon canister is awful. It makes so much mess, so I do not know whether I pumped the slime into the tubes or it all just spilled out of the base of the pump. The bottles worked great, but this time I needed to use more slime for a bunch of tires. What a slimy mess that was. Very poor pump design. Only after I spilled who knows how much of the slime, I finally washed it and was able to see the problem. The cap at the base of the pump got unscrewed and let all the slime lose. I screwed it back up and this should fix the mess next time I use it. Just a heads if someone encounters the same issue.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
S
Verified Purchase
Scott A. Cain
Fort Morgan, US
★★★★★ 5
Great product
Style: 16 oz
Worked as advertised. I would order again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026

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