• Portable 1-7L oxygen concentrator for seniors and home oxygen support
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  • Compact portable 7L oxygen concentrator for travel and daily use
  • Portable 7L oxygen concentrator with high oxygen purity output
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  • POC-04 portable 1-7L oxygen concentrator with 5-hour battery for travel
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POC-04 | 1-7L Pulse Flow Portable Oxygen Concentrator with 5-Hour Battery

$499.00 USD
$499.00 USD $799.00 USD
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  • Free delivery within 4–7 business days.
  • 1 year warranty and maintenance service
  • 30 days return and exchange service

Description

  • Ultra-lightweight: Weighing only 2KG (4.4lb), ideal for travel and outdoor use
  • Adjustable pulse flow: 1–7L fully adjustable with consistent 95%±3% oxygen purity across all settings
  • Long battery life: Removable battery provides up to 5 hours of continuous use
  • HD touch screen: Intuitive high-definition touch screen for easy operation
  • Intelligent switching: Efficient fixed frequency mode with automatic intelligent switching

Specifications

Flow Rate

1-7L/min adjustable

Oxygen Purity

95%±3% at all gears

Mode

Pulse Flow

Net Weight

4.4 lbs(2kg)

Dimensions

17.5*8.7*19.5cm / 6.9*3.4*7.7in

Noise

≤60dB

Battery Life

About 2h-5h(7-1 liter)

Battery Charge Time

About 3h

Input Voltage

AC 110-240V, 50/60Hz; DC 12-16.8V

Package List

  • Oxygen Concentrator Main Unit ×1
  • Rechargeable Battery ×1
  • Carrying Bag ×1
  • Shoulder Strap ×1
  • Storage Case ×1
  • Nasal Cannulas ×2
  • AC Adapter Kit ×1
  • Car Power Cord ×1
  • User Manual ×1

Got a question?

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POC-04 | 1-7L Pulse Flow Portable Oxygen Concentrator with 5-Hour Battery

$499.00 USD
  • Small & Portable
    Weighs only 4.4 lbs, free shoulder bag provided
  • Pulse Flow
    High flow rate adjustable from 1 to 7 L/min
  • High Oxygen Purity
    95%±3% oxygen concentration at all flow
  • Long-Life Battery
    Double batteries last up to 10 hours
Portable 7L oxygen concentrator with high oxygen purity output

Stable Oxygen Supply at Any Flow Rate

The pulse flow rate is adjustable from 1 to 7 levels, with an equivalent continuous flow rate of 1L to 7L. It senses pulses and uses AI calculation to intelligently identify the user's breathing. Oxygen is released during inhalation and stops when the user exhales. The oxygen output frequency is accurately controlled, and the oxygen synchronization rate and utilization rate can reach 99%.

Flow rate

1-7L/min

oxygen purity

95%±3%
Compact portable 7L oxygen concentrator for travel and daily use

Pocket-Sized Portability, Ultra-Light Freedom

Weighing approximately 4.4 lbs (2 kg), it features a sleek, compact design that fits easily into a backpack side pocket or carry-on luggage for effortless portability. With pulse-dose oxygen delivery, it supports active lifestyles on the go—whether for daily use, travel, or hiking at elevations up to 6,000 meters (19,685 ft).

Weighs only

4.6lbs

Acclimatize to

19,685 ft

User-Friendly Controls for Easy Use by Seniors

The high-definition large display makes operation clear and intuitive. With simple gear and power buttons controlling up to 80% of key functions, it is designed for effortless use—especially suitable for seniors to operate independently.

Portable 1-7L oxygen concentrator control screen with easy-to-use display

Multiple Power Options for Your Convenience

  • Home AC charging

    The long-lasting rechargeable battery lasts up to 5 hours on a single charge and recharges in just 3 hours.

  • Car DC Charging

    The handy car-charging adaptor allows you to tap into your vehicle’s DC power supply while you are on the road.

  • Removable Battery

    Extend the life of this small oxygen concentrator even more with additional batteries! For example, two batteries equal 10 hours of operation.

Frequently Asked Questions

Customer Reviews

Customer Reviews

Overall rating: 4.6 / 5 from 65 reviews.

Customer photo review of Portable 1-7L Adjustable Pulse Flow 5 Hours Battery Oxygen Concentrator - POC-04

I have been on oxygen for over a year now and am thinking about getting a portable concentrator. But I have a total budget of around 1000 dollars. I finally selected Higreen’s. I can get a brand new device with 2 batteries for longer outing time with the same money. I am pleased with my purchase.

Wurth T. 4/5 Verified

Portable 1-7L Adjustable Pulse Flow 5 Hours Battery Oxygen Concentrator - POC-04

Customer photo review of Portable 1-7L Adjustable Pulse Flow 5 Hours Battery Oxygen Concentrator - POC-04

I bought this because I needed something that worked that can serve me well on an overseas trip when the one I was provided with before this one wouldn't charge, and this was after I had bought extra batteries that lasted longer than the single battery I had. My only issue is being able to sync the machine with my phone.

Santa F. 5/5 Verified

Portable 1-7L Adjustable Pulse Flow 5 Hours Battery Oxygen Concentrator - POC-04

I received my unit in record time. Everything was as expected. I used it for about 6 hours. Today. I had two doctor's appointments and then went and had lunch and it worked perfectly. I wished I would have bought one of these sooner. The price is right and it does the job. So glad I bought this one

Peggy L M. 5/5 Verified

Portable 1-7L Adjustable Pulse Flow 5 Hours Battery Oxygen Concentrator - POC-04

It’s easy to handle it , very easy to read and understand the instructions. It charges very fast. The only problem I have is that the battery doesn’t last that long , I went out a couple of times and each battery only lasted about 3 hours on setting # 2 And on setting #3 lasted only 2 hours Those are the settings that my doctor recommended for me. Other than that I’m happy with the way it looks and feels. It’s very lightweight Overall it’s a great looking machine. I do like it. I was actually going to ask if you have any distributors here in Las Vegas, Nevada. Because I would be very interested in becoming a distributor for this product.

Luis H. 5/5 Verified

Portable 1-7L Adjustable Pulse Flow 5 Hours Battery Oxygen Concentrator - POC-04

The unit seems to be working fine. The second batter at full charge shows a 4 hour life not 5. Also this same batter dose not display on the Batter level display just a red X. It dose display the Remaining Usage time At full charge of 4 hours. Remaining Usage time seems to be working as it decreases seems to be in line with usage time Also it would make getting in and out of cars much more convenient if the carrying case also had handles not just the straps

Ray S. U. 3/5 Verified

Portable 1-7L Adjustable Pulse Flow 5 Hours Battery Oxygen Concentrator - POC-04

The shipping was super fast! I tried it out, and the airflow is really comfortable. It’s small and lightweight, so carrying it in the backpack isn’t a hassle at all. I had a lot of questions before buying, but the customer service was really helpful and answered everything in detail. Thanks!

Pritzl K. 5/5 Verified

Portable 1-7L Adjustable Pulse Flow 5 Hours Battery Oxygen Concentrator - POC-04

I've been wanting a small oxygen concentrator. This one is very portable. I already have a large one at home, which is fine for home use, but not for those times when I'm away from home. After much deliberation, I decided to buy a battery-powered one. Luckily, the POC-04 is very affordable and completely within my budget. I now carry it with me every day.

Stan L. 4/5 Verified

Portable 1-7L Adjustable Pulse Flow 5 Hours Battery Oxygen Concentrator - POC-04