5L Portable Oxygen Concentrator with 8 Hours Battery – Oxygen Concentrator Depot
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5L Portable Oxygen Concentrator with 8 Hours Battery
$1,779.00$3,558.00-50%OFF

Get Your PULSE POC and Enjoy 50% MORE O2

  • Continuous Dose 1 to 5 Pulse Flow Settings
  • Vehicle DC Power Support
  • Hassle Free Buying Experience
  • Recommended by Doctors
  • 50% Larger Oxygen Flow than small POCs
  • Big Touch Screen
  • Mobile Phone Remote Control
  • 1 Hour Fast Charging by Car and Home Power

4
Portable
5.4 lbs (2.45kg) free shoulder bag provided
Pulse Flow Delivery
1-5 flow settings, 333ml per setting, 50% More Oxygen
High Purity
O2 Concentrattion 
90% (+5%/-3%)
Plateau Travel
Altitude above 16,000 feet (5,000 meters)
Quiet
Low noise, physical oxygen generation. Below 43db.
Long-Life Battery
Battery duration 235 minutes 
Long-term Warranty
2-Year warranty on the 
main unit
Free Packaging Box 
other accessories
included

Your Journey to Freedom and Vitality Starts Now!

Imagine the freedom to go wherever your heart desires, without the burden of heavy equipment or the hassle of refilling oxygen tanks. The 5L Portable Oxygen Concentrator with 8 Hours Battery is compact, lightweight, and easily transportable, allowing you to enjoy life to the fullest. Whether you're strolling through the park, traveling to exotic destinations, or simply relaxing at home, this POC will be your trusted companion.


Lightweight & Portable

Weighing a mere 5.4 lbs (2.45kg) and boasting compact dimensions of 20.6cm x 9cm x 20.5cm, this portable oxygen concentrator is effortlessly portable and perfect for on-the-go use. Get rid of heavy bulky equipment, and take this portable oxygen concentrator instead.

Oxygen Concentrator, 1-5 Adjustable Pulse Flow Rates
90% - (+5%/-3%) Oxygen Concentration
This oxygen concentrator provides a high concentration of oxygen at (+5%/-3%), ensuring a reliable oxygen therapy experience. It offers pulse delivery with adjustable flow rate settings ranging from 1 to 5 and up to 333ml per setting, 50% more Oxygen, so you have the flexibility to choose the amount of oxygen delivery that suits your specific requirements.

Pulse Dose Delivery, 1 to 5 Adjustable Settings

This portable oxygen concentrator (POC) offers adjustable pulse dose delivery with settings ranging from 1 to 5. It delivers oxygen when you inhale and stores oxygen when you exhale. This reduces oxygen waste and enhances its efficiency for portable use.

The 5L Portable Oxygen Concentrator with 8 Hours Battery and Free Carry Bag: Get Breathing Easier on the Go!

The 5L Portable Oxygen Concentrator with 8 Hours Battery is a great choice for anyone who needs extra oxygen therapy on the go. This device is lightweight, easy to transport, and can provide up to 5LPM of pulse oxygen flow with an adjustable setting. The unit comes standard with a rechargeable battery that provides reliable power even when youre away from a power source. 


The included carrying case makes it simple to take your concentrator with you wherever you need to go. With its simple user interface and intuitive design, this machine from Oxygen Concentrator Depot makes it easy to get the oxygen therapy you need.

Pure and Clean Oxygen Supply

Breathe easy knowing that you're receiving the highest quality oxygen for your health and well-being.

CECA Molecular Sieve

A superior sieve bed technology features high adsorption & high oxygen concentration, typically above 90%, which is suitable for medical use. Long lifespan, reducing maintenance costs and hassle.

Automatic Filtration

The automatic triple filter system helps to remove dust, particles, and other impurities from the air before the oxygen is released, ensuring that the oxygen delivered to the user is clean and safe to breathe.


Powerful Oil-free Compressor

Say goodbye to the hassle of replacing oil filters or worrying about oil contamination. Long-lasting performance and minimal maintenance.

How the pulse flow settings equal to continuous flow


Many clients are wondering how the pulse flow settings equal to continuous flow. 

The following formula might be helpful for you to understand:


Our bodies naturally inhale and exhale at rest in a 1:2 ratio. This means we inhale in 1/3 time. Under the model of 1-liter continuous flow, we only inhaled 1/3 oxygen (333ml) in one minute. Because pulse flow only deliver oxygen when inhale. So the pulse flow can be same effect as 1LPM by delivering that add up to 333ml oxygen in one minute of inhalation time. If pulse flow want to be equal to 2LPM, 3LPM, 4LPM and 5LPM, directly use 333ml multiply by a multiple.

Trade-off & Visible Effect
To be lighter and have a longer battery time, old devices sacrificed oxygen dosage, reducing the dose from 333ml per flow setting to 210ml. 

The difference may not be noticeable when the user's illness is mild. As the disease progresses and the need for oxygen increases, it becomes apparent that patients feel a lack of oxygen. There are many customers with illnesses that develop to moderate have reported this situation.

When we designed the 5L Portable Oxygen Concentrator with 8 Hours Battery, we sacrificed weight and battery time and took sufficient oxygen (333ml/gear) as the core feature. Although the unit will be 0.3kg to 0.4 kg heavier, the treatment performance is better. It can reach truly effect of 1LPM to 5LPM, meeting the needs of different conditions. We think safety and reliability are more crutial for our clients. We believe that such a sacrifice is worth it.
Big Touch Screen - Visually Friendly
There is a 4.3'' screen with a wonderful touch design, two times bigger than previous devices, making it user-friendly in daily life.

Remote Control by Mobile Phone
5L Portable Oxygen Concentrator with 8 Hours Battery has a mobile phone App supported by Bluetooth to monitor oxygen therapy and do remote control through the phone. 

This design is mainly to facilitate people's use when going out, sitting in wheelchairs, and lying in bed. They don't have to struggle to get the machine and then press the button. In addition, they can also monitor their oxygen therapy in real-time on their phones.

Specifically, the app allows you to:

  • Turn on/off machine, turn up/down flow rate on the mobile phone based on activity level or symptoms
  • Monitor your respiratory condition and oxygen supply levels in real-time
  • View the remaining battery time to better plan usage and recharging

No matter where you are - whether seated in a wheelchair, resting in bed, or anywhere else - you can easily adjust settings and monitor your status with just a tap on your phone. This offers much more flexibility and accessibility than having to manually operate the device.

Overall, wireless smartphone control provides greater freedom, convenience, and confidence when using your portable concentrator outdoors and on the go.

Differences Between Pulse Flow vs Continuous Flow Oxygen Delivery

Before choosing a portable concentrator with sufficient capacity, we first need to understand the key differences between pulse flow and continuous flow oxygen delivery.

The settings on portable oxygen concentrators are pulse flow levels - 1, 2, 3, 4, 5. Are these pulse flow levels equal to continuous flow? If not, how can we tell the difference in their capacities?
First, let's understand how they work:
  • Continuous flow: The device provides oxygen in a continuous stream. We use LPM (Liters Per Minute) to measure its rate.
  • Pulse flow: The device provides oxygen in bursts or "pulses." Oxygen is provided when you inhale (the switch activates and delivers a pulse of oxygen), and delivery ceases during exhalation. The oxygen capacity of pulse flow is determined by the volume of oxygen delivered with each inhalation.
How to Calculate the Pulse Flow
To replicate the effect of continuous flow with pulse flow, we need an equivalent dose of oxygen during inhalation in pulse mode.
So, how much oxygen do we actually inhale under continuous flow?
On average, an adult's respiratory process involves spending double the time exhaling compared to inhaling. This means that a complete breath cycle, which includes both inhalation and exhalation, designates approximately one-third of its duration to the act of inhalation.

In a scenario where there is a consistent oxygen flow rate of 1 liter per minute, we are only actually breathing in this oxygen for one-third of each minute. Therefore, the volume of oxygen we inhale in this fraction of a minute equates to 1L multiplied by 1/3. This yields a result of 0.333L or, equivalently, 333ml. Accordingly, when engineering a pulse flow system, it suffices to deliver a dosage of 333ml of oxygen in one minute (Total Volume per Minute). This would emulate the effects of a continuous oxygen delivery system operating at 1 Liter Per Minute (LPM).

The following is a table of pulse doses:

Flow Setting of Pulse Flow12345
Total Volume per Minute333ml666ml1000ml1333ml1666ml
The Second Standard of Pulse Flow Oxygen Dosage
With further research on breathing, it was discovered that during inhalation, only the first two-thirds of the air enters the lungs for gas exchange. The other one-third stays in our windpipe and leaves when we exhale next.

This means if we think of a continuous flow of 1 liter of air per minute, we breathe in oxygen for about one-third of that minute. And in the time of that one-third minute, only two-thirds of the oxygen gets to our lungs for gas exchange.

So, the actual amount of oxygen used by our lungs is calculated like this: 1 Liter x 1/3 (time spent inhaling) x 2/3 (the part that reaches the lungs). This equals 0.222 liters or 222 milliliters.

To make this easier to understand, let's break down the key steps in calculating equivalent pulse flow:

  1. Adult exhalation time is 2 times longer than inhalation time
  2. So in 1 minute: We inhale for 1/3 of that minute
  3. So the total volume of oxygen we inhale in that 1/3 minute is:
  • 1 LPM of flow
  • Multiplied by the 1/3 minute we are inhaling
  • Which equals 1 L x 1/3 minute = 0.333 L = 333 ml

Therefore, a pulse dose of 333 ml (total volume per minute) delivers the same amount of oxygen as 1 LPM continuous flow in one minute. If we want the effect of a higher continuous flow rate (LPM), we can directly multiply the continuous flow rate by 1/3 to get the dose of the pulse flow.

Design principles for pulse settings typically observe the following convention: A pulse level of 1 delivers an equivalent oxygen dose to a continuous flow at 1LPM. Likewise, pulse levels 2, 3, 4, and 5 administer doses corresponding to continuous flows of 2LPM, 3LPM, 4LPM, and 5LPM respectively. Pulse flow levels are designed accordingly:

  • Level 1 aims to deliver 333 ml to equal 1 LPM, (1L x 1/3 = 0.333L = 333ml)
  • Level 2 aims to deliver 666 ml to equal 2 LPM, (2L x 1/3 = 0.666L = 666ml)
  • Level 3 aims to deliver 1000 ml to equal 3 LPM, (3L x 1/3 = 1L = 1000ml)
  • Level 4 aims to deliver 1333 ml to equal 4 LPM, (4L x 1/3 = 1.333L = 1333ml)
  • Level 5 aims to deliver 1666 ml to equal 5 LPM, (5L x 1/3 = 1.666L = 1666ml)
With this new theory, the second standard pulse dose supply reduces the oxygen amount by one-third compared to the first standard. By reducing the oxygen dose by a third, portable oxygen concentrators can be made smaller, lighter, and have longer battery life. 
However, many patients have reported feeling oxygen-deprived in lower oxygen dosage settings of the second standard. And their blood oxygen levels are below therapeutic targets.
The second standard requires that all oxygen supplied via pulse flow must reach the lungs for optimal gas exchange. However, due to constraints like tracheitis and lung lesions in patients, achieving this ideal condition seems unattainable, and individual results vary widely. Further studies may be needed to improve to correspond with patients' real-life experiences.

Currently, there is no unified standard on the market. The oxygen dosages of pulse flow are set by the manufacturers themselves. The following are two types of portable concentrators on the market:
  • The first standard offers 333 ml/min per setting.
  • The second standard provides 210 ml/min per setting.
So, two different devices may deliver different amounts of oxygen, even at the same pulse flow setting, if they adopt different standards of pulse flow. When we want to judge the oxygen production capacity of a portable oxygen concentrator and ensure that its pulse flow can provide sufficient oxygen, we only judge by its Total Volume per Minute (TVPM), rather than the number of flow sets.

If a device's TVPM exceeds 1666 ml/min, it can ensure an oxygen supply equivalent to a 5 LPM continuous flow, which ensures that we can get enough oxygen supplement in various situations over the long term.
Please note: Doctors do not know how each manufacturer sets the pulse flow rate, so we can only rely on ourselves to identify it.

DESIGNED FOR YOU TO LIVE YOUR LIFE IN MOTION AND ELEVATE YOUR LIFESTYLE!


This device delivers oxygen in a compact, quiet and lightweight unit, making it easier for you to be mobile in your everyday activities. Our 5L Portable Oxygen Concentrator with 8 Hours Battery is suitable for use in your car, at home, on the road and while travelling. We are now offering a FREE Backpack with every purchase!

What's in the Package

  • 1x Oxygen Concentrator
  • 1x Packaging Box
  • 1x Battery
  • 1x Standard Adapters
  • 1x Car Power Adapters
  • 1x Knapsack
  • 1x Oxygen Tube
  • 1x User Manual

1-5L Portable Oxygen Concentrator with 8 Hours Battery: Get Breathing Easier on the Go!

The 5L Portable Oxygen Concentrator with 8 Hours Battery from Oxygen Concentrator Depot has been nothing short of an absolute life saver! The carrier makes it so easy to transport. This device is extremely reliable and has made a huge difference in my quality of life. Highly recommend shopping at Oxygen Concentrator Depot! - Bert T.

Technical Specifications

Delivery Rate - 1 to 5LPM Adjustable

Oxygen Purity- 90% (+5%/-3%)

Voltage- DC 24v

Input Power -AC 220v-110v (50hz-60hz)

Altitude - 5000m (16,400ft)

Net Weight - 5.4 lbs (2.45kg)

Noise - ≤ 43dBA

Dimension - 20.6cm x 9cm x 20.5cm

Battery Duration - About 235mins, extra batteries available

Battery Charging - Time 1 hour per battery from fully discharge, using either from car or from home.

5L Portable Oxygen Concentrator with 8 Hours Battery


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Your Exclusive Offer Ends Soon

5L Portable Oxygen Concentrator with 8 Hours Battery
$1,779.00$3,558.00

Get Your POC and Enjoy Your On-The-Go Lifestyle

  • Continuous Dose 1 to 5 Pulse Flow Settings
  • Recommended by Doctors
  • Vehicle DC Power Support
  • Hassle Free Buying Experience
  • 50% Larger Oxygen Flow than small POCs
  • Big Touch Screen
  • Mobile Phone Remote Control
  • 1 Hour Fast Charging by Car and Home Power

Frequently Asked Questions

Need Help? We've got you covered!
How does the Oxygen Concentrator Work?

It draws in air from your surroundings, removes the nitrogen, and delivers oxygen. As long as there is electricity, it can continuously extract oxygen from the surrounding air.

How do you refill Oxygen?
There's no need for refilling. The device, when powered, can continuously generate oxygen by extracting it from the surrounding air
I am unable to determine the five flow settings - my mother requires a setting of 2.5, not 2 or 3. What should I do?

You can start with a setting of 2 and check your mother's oxygen level (SpO2). If her SpO2 reading is below the recommended target range for oxygen therapy, you can increase the flow setting to 3. 


The oxygen prescription is variable. What matters most is keeping your mother's blood oxygen saturation at the right level for her condition, not sticking strictly to a prescription.

Is it suitable for use while sleeping?

It's generally not advised. Light breathers or mouth-breathers might not trigger the sensor, causing the machine to stop and alarm. Also, the portable concentrator operates at 50-55 decibels from 3.28 feet away, significantly louder than a home stationary unit's 40-45 dB. 


This high noise level can easily disrupt sleep when using the portable overnight.


Generally, we do not recommend using portable oxygen concentrators for sleep. But if traveling, it can serve as a temporary night-time solution. For quieter use, keep the machine outside the bedroom.

If the machine is fully charged, is it safe to use while still plugged into the outlet?

Yes, it's perfectly fine.

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