POC-04 Portable Oxygen Concentrator: Designed for Freedom Beyond Home

A portable oxygen concentrator can make oxygen therapy more convenient and flexible for daily life. Learn how the Higreen Health POC-04 helps users stay mobile with a lightweight design, reliable oxygen support, and a more comfortable way to manage oxygen therapy at home, while traveling, or during outdoor activities.


By HigreenHealth
4 min read

Portable 1-7L adjustable pulse flow oxygen concentrator for travel and daily oxygen therapy

For many oxygen therapy users, the need for continuous oxygen support can create challenges in daily life. They want more freedom — the ability to maintain their routines, visit family and friends, travel, and enjoy outdoor activities without feeling restricted by their oxygen equipment. Even simple moments, such as traveling to a medical appointment, should not require being limited by heavy and inconvenient devices.

Traditional oxygen delivery solutions, including heavy oxygen cylinders and large stationary oxygen concentrators, are often difficult to carry outside the home. Many home oxygen concentrators weigh over 22 lbs, making them impractical for users who want to stay active and mobile. In comparison, a lightweight portable oxygen concentrator provides a more convenient oxygen therapy solution, allowing users to receive reliable oxygen support while maintaining greater independence and mobility.

The design philosophy behind the Higreen Health POC-04 Portable Oxygen Concentrator is simple:

To make oxygen therapy more portable, easier to use, and better integrated into everyday life — helping users stay active, connected, and confident wherever they go.

Lightweight Design That Goes Wherever You Go

Before choosing a portable oxygen concentrator, weight and size are two of the most important factors to consider. After all, the main reason many users choose a portable oxygen concentrator over a large stationary oxygen concentrator is the freedom and convenience of portability.

The Higreen Health POC-04 Portable Oxygen Concentrator weighs only 4.4 lbs (2 kg) and measures just 6.9 × 3.4 × 7.7 inches, making it easy to carry throughout the day — similar to bringing along a compact tablet. Each unit comes with a shoulder bag and a storage case. The shoulder bag is designed for convenient everyday use, allowing users to carry the POC-04 while receiving oxygen support on the go. The storage case helps keep the concentrator and accessories organized in one place, making it easier to pack for travel, outdoor activities, or family visits while reducing the risk of misplacing small accessories.

POC-04 portable oxygen concentrator with 5-hour battery for travel and outdoor use

Adjustable 1-7L Pulse Flow for Different Oxygen Needs

In today’s portable oxygen concentrator market, one key advantage of the Higreen Health POC-04 is its high-capacity pulse flow performance, offering oxygen delivery equivalent to 1 to 7 liters per minute of continuous flow. While many portable oxygen concentrators provide flow settings up to 5 liters, the POC-04 supports up to 7 liters, making it a practical option for users with higher oxygen flow needs.

Despite its compact size, the POC-04 Portable Oxygen Concentrator delivers up to 95% ±3% oxygen concentration across all flow settings, helping provide stable oxygen support in a lightweight, travel-friendly design.

With its wider adjustable flow range, users can choose the right oxygen output level for different daily activities, whether resting at home, walking outdoors, visiting family, or traveling. The intuitive control system makes adjustments simple, offering greater flexibility than fixed-output devices.

Portable 7L oxygen concentrator with high oxygen purity output

Long-Lasting Removable Battery for Daily Activities

When choosing a portable oxygen concentrator, battery life is another key factor to consider. Reliable battery power is what separates a portable oxygen concentrator from a large stationary oxygen concentrator, giving users the freedom to receive oxygen therapy support beyond the home. The Higreen Health POC-04 Portable Oxygen Concentrator offers up to 5 hours of battery life, allowing users to enjoy outdoor activities, travel, visit family, or manage daily routines without constantly looking for a power outlet.

The POC-04 also features a detachable battery design that supports independent charging for added convenience. With the dual-battery package, users can charge one battery while using the other for oxygen support on the go. When the first battery runs low, they can simply replace it with a fully charged spare battery, helping maintain uninterrupted oxygen therapy throughout the outing.

Removable battery for portable 7L oxygen concentrator

Simple Touch Screen Operation Designed for Seniors

As a medical device designed for everyday users, a portable oxygen concentrator should be simple, intuitive, and easy to operate for people of different ages and needs. The Higreen Health POC-04 Portable Oxygen Concentrator features a high-definition touch screen and a clean, user-friendly interface, allowing users to easily view settings and adjust oxygen output when needed. Its intuitive design, combined with the included user manual, makes the POC-04 especially suitable for seniors and users who prefer a straightforward oxygen therapy device that is easy to understand and operate.

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

Conclusion

A great portable oxygen concentrator should do more than provide oxygen support — it should help users stay active, independent, and connected to the life they enjoy. With its lightweight design, adjustable pulse flow, long-lasting battery, and easy-to-use interface, the Higreen Health POC-04 provides a convenient oxygen therapy solution for daily use, outdoor activities, and travel.


Frequently Asked Questions About POC-04

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