Inogen G2 vs G5: Comparing Portable Oxygen Concentrators for Best Choice

The Inogen G2 and Inogen G5 are portable oxygen concentrators that have made significant impacts on the lives of those requiring oxygen therapy. The Inogen G2, having served users for over a decade, has been recognized as a life-changing piece of technology. Yet, as advancements in portable oxygen technology continue, the Inogen G5 has emerged offering modern features, improved performance, and enhanced user convenience that were not available in the older G2 model.

The Inogen G2 and G5 are placed side by side, with the G5 slightly larger and more modern in design. Both devices are emitting a soft, steady flow of oxygen

The G5 follows Inogen’s tradition of lightweight, compact devices designed for active lifestyles. It stands out for its increased oxygen flow options, a larger oxygen capacity, and an extended battery life compared to the G2. While the G2 was known for its reliability and effectiveness, the G5 takes these attributes a step further by incorporating state-of-the-art technology, offering users a more streamlined, powerful, and user-friendly experience.

Key Takeaways

  • The Inogen G5 offers advancements in oxygen flow, capacity, and battery life over the G2.
  • Inogen’s G5 model integrates the latest technology for a user-friendly experience.
  • The transition from the G2 to the G5 represents Inogen’s commitment to innovation and improved patient care.

Overview of Inogen One G2 and G5

The Inogen One G2 and G5 portable oxygen concentrators are positioned side by side on a clean, well-lit surface, with their sleek and compact designs prominently displayed

The Inogen One G2 and G5 models are significant players in the portable oxygen concentrator (POC) market, addressing the different needs of patients with conditions such as COPD and asthma. These POCs offer mobile oxygen therapy with a focus on quality and reliability.

Key Features of Inogen One G2

  • Weight and Size: The Inogen One G2 is known for its reasonably lightweight design for the period it was introduced, catering to patients prioritizing mobility.
  • Oxygen Delivery: It operates on a pulse dose system, which delivers oxygen only when the user inhales, making it energy efficient.
  • Portability: Designed for active users, its portability supports independence for those requiring oxygen therapy on the go.

Key Features of Inogen One G5

  • Weight and Size: The G5 model boasts a more compact and lightweight structure than its predecessor, enhancing portability.
  • Battery Life: It offers extended battery life, ensuring users can stay active for longer periods without needing to recharge frequently.
  • Technological Advancements: With upgraded features such as increased oxygen output and a lower noise level, the G5 is tailored for both convenience and comfort.

Comparing Inogen G2 and G5

  • Performance: The Inogen One G5 typically outperforms the G2 in terms of oxygen purity and has a better noise reduction capability, making it a quieter option.
  • Portability: Both units maintain a reputation for being portable models, but the G5’s smaller size and weight offer a distinct advantage.
  • Reliability: While the G2 set the stage for reliable POCs, the G5 builds on this legacy with improved functionalities suitable for a wider range of oxygen therapy needs.

Technical Specifications

The Inogen G2 and G5 specifications displayed side by side with clear labels and comparisons

In the comparison of the Inogen G2 and Inogen G5 portable oxygen concentrators, their technical specifications highlight crucial differences in battery life, oxygen output, and physical characteristics that influence user experience and device performance.

Battery Life and Power Supply

The Inogen One G5 has a significant advancement in battery life. It can operate for up to 13 hours on a single battery, whereas the Inogen G2 lasts up to 4 hours with a 12-cell battery and 8 hours with a 24-cell battery. Both models include AC power supplies for charging, but the extended battery life of the G5 offers users greater flexibility and longer periods away from power outlets.

Oxygen Output and Concentration

While the exact oxygen output rates are not detailed in the provided results, both concentrators deliver a continuous flow of oxygen to the user. However, the Inogen One G5 generally offers more settings for flow rates and adjusts the oxygen delivery to the breathing rate of the user, thanks to its more advanced compressor and sieve bed technology, providing a reliable and efficient oxygen supply.

Device Dimensions and Weight

The G5 is notably lighter and more portable than its predecessor, the G2. Inogen One G5 has dimensions of 7.19 x 3.26 x 8.15 inches and a weight of 4.7 pounds, substantially reducing the encumbrance for users. On the other hand, the Inogen G2 is heavier with its weight at 7 pounds, making the G5 a more convenient option for users who require mobility and ease of transport.

Functional Aspects

The Inogen G2 and G5 are displayed side by side, showcasing their different functional aspects and features. The G2 is compact and lightweight, while the G5 is larger with a longer battery life and more advanced settings

In the comparison between Inogen G2 and G5, a detailed look into their functional features provides insight into the technical advancements and user benefits they offer.

Flow Settings and Delivery

The Inogen G2 and G5 portable oxygen concentrators operate using a pulse dose delivery system. The Inogen G5 offers more pulse flow settings, giving users a wider range of oxygen delivery options to meet their needs. It allows for pulse dose oxygen settings from 1-6, facilitating a more customizable portable oxygen therapy experience compared to its predecessor.

Noise Levels and Operation

Both units are designed with user comfort in mind, operating at a quiet, unobtrusive level. The noise generated by these devices is minimal, ensuring that users can maintain their daily activities and sleep patterns without disturbance.

Portability and Lifestyle Impact

The Inogen G5 is significantly lighter and more lightweight than the G2, weighing only 4.7 pounds. This reduction in weight enhances mobility and the ability of users to maintain an independent lifestyle. With a longer battery life of up to 13 hours compared to the G2, users experience less worry about recharging throughout the day, leading to a greater sense of freedom.

By considering these functional aspects, potential users can gauge how Inogen’s portable oxygen concentrators can support their desire for independence and an active lifestyle.

Accessories and Add-Ons

The Inogen G2 and G5 accessories are neatly arranged on a clean, white surface, showcasing the various add-ons available for each model

When comparing the Inogen One G2 and G5 models, it is important to consider the range of accessories and add-ons tailored to enhance the user’s experience. These accessories are designed to complement the portable oxygen concentrators, contributing to the convenience and effectiveness of oxygen therapy.

Inogen Connect and Mobile Apps

The Inogen One G5 System supports Inogen Connect, a feature that allows patients and caregivers to monitor the concentrator via a mobile app. The app provides access to important information such as battery life, maintenance alerts, and software updates, ensuring the device operates efficiently.

Batteries and External Chargers

Inogen’s oxygen concentrators are compatible with different battery sizes. The Inogen One G5 has the advantage of lasting:

To complement these batteries, external battery chargers are available, providing patients the convenience of charging extra batteries independently from the concentrator itself. This means patients can use their device while charging a spare battery, minimizing downtime.

Carry Bags and Carts

For portability, the Inogen models can be paired with custom carry bags and carts. These accessories are designed to improve mobility and protect the device:

  • Carry Bags: Custom-sized for each model, offering cushioning and easy access to the concentrator controls.
  • Carts: Inogen provides a collapsible cart specifically for the Inogen One G5, among others, which is lightweight at approximately 3.25 lbs and can extend to about 41″ in height, facilitating transport of the unit over different terrains.

Regulatory and Safety Information

A table displaying regulatory symbols and safety information for Inogen G2 and G5 portable oxygen concentrators

In the realm of portable oxygen concentrators, regulatory compliance and safety are pillars of product reliability. The Inogen G2 and G5 models epitomize this focus with their adherence to Federal Aviation Administration (FAA) guidelines and medical-grade oxygen provision that requires a prescription for use.

FAA Approval for Air Travel

Both the Inogen G2 and Inogen G5 units are FAA-approved for air travel. This designation indicates the devices meet safety standards for use onboard an aircraft during all phases of flight. These portable oxygen concentrators ensure that individuals with respiratory conditions can safely receive supplemental oxygen while traveling.

  • Inogen G2: FAA-approved
  • Inogen G5: FAA-approved

Medical Grade Oxygen and Prescription

The oxygen delivered by the Inogen G2 and G5 is considered medical grade and, as such, requires a prescription from a healthcare provider. These devices are equipped with Intelligent Delivery Technology to ensure efficient oxygen delivery tailored to the individual’s breathing pattern, especially useful for patients with lung conditions.

  • Prescription Requirement: Yes
  • Technology: Intelligent Delivery Technology

It should be noted that even in the case of an emergency, users should strictly adhere to the operating instructions provided by a respiratory therapist or a healthcare provider. Continuous oversight of lung health and oxygen therapy is paramount, emphasizing the importance of proper usage as regulated for patient safety.

Support and Resources

A table with an Inogen G2 and G5, surrounded by manuals, batteries, and accessories. Wall outlet and oxygen tanks in the background

In the competitive landscape of portable oxygen concentrators, support, and resources play an integral role. Inogen provides comprehensive assistance to ensure customer satisfaction post-purchase, including robust warranty programs and accessible financing options.

Customer Service and Warranties

Inogen takes pride in its customer service, offering dedicated support for users of its oxygen concentrators. The Inogen One G5, being a newer model, comes with a 3-year warranty which covers any manufacturing defects or operational issues. The warranty for the older Inogen G2 model may vary since it is discontinued, but remaining warranties at the time of purchase are usually honored. Customers can reach out via phone or email for any inquiries or troubleshooting needs.

Financing and Medicare Coverage

Managing the cost of medical equipment is a concern for many users. Inogen offers financing options to alleviate the upfront cost of purchasing a concentrator. Additionally, Inogen’s products, including the Inogen One G5, are covered by Medicare. This can significantly reduce out-of-pocket expenses for those who qualify. Patients are advised to consult with Inogen representatives who can guide them through the financing process and explain how Medicare coverage can be applied to their purchase.

Health and Treatment Considerations

A medical professional compares Inogen G2 and G5 models, considering health and treatment implications

Choosing the right portable oxygen concentrator (POC) is critical for patients with chronic lung conditions. It’s essential to assess each device’s suitability in terms of oxygen delivery efficiency, weight, battery life, and portability to meet individual health and treatment needs.

Chronic Conditions and Oxygen Dependency

Patients with chronic obstructive pulmonary disease (COPD), asthma, or other lung conditions often require long-term oxygen therapy. The Inogen G5, which replaces the discontinued G2 model, offers a substantial oxygen production of up to 1,260 ml per minute on a pulse dose, making it an appropriate choice for those with rigorous oxygen demands. The extended battery life of the G5, lasting up to 13 hours on a single battery, provides patients with the confidence to go about their day without frequent recharging interruptions.

Lifestyle, Nutrition, and Oxygen Use

For patients who lead an active lifestyle, the portability of their POC is paramount. With a weight of 4.7 pounds, the Inogen G5 is significantly lighter than the G2, supporting ease of movement during travel or exercise. Proper nutrition is vital for maintaining lung health, and the reduced weight and size of the G5 enable patients to carry nutritional supplies alongside their POC. Its compact design (7.19 inches wide, 3.26 inches deep, and 8.15 inches high with a single battery) does not hinder the carrying of dietary essentials.

Emergency Preparedness and POCs

In emergencies, particularly for patients with sleep apnea or severe lung conditions, the reliability of a POC is crucial. The Inogen G5’s FAA approval allows users to rely on their device during air travel, an often-overlooked aspect of emergency preparedness. Moreover, the Inogen G5 comes with a 3-year warranty and is equipped to handle unforeseen circumstances, ensuring that patients remain secure in the continuous management of their oxygen therapy.

Comparative Analysis with Other Brands

Two oxygen concentrators, inogen g2 and g5, side by side. G5 appears sleeker and more modern, while g2 looks bulkier and older

In assessing the Inogen G2 and G5 models, it is essential to contrast their features with other leading brands in the portable oxygen concentrator (POC) market, specifically Philips Respironics. Durability and reliability remain crucial considerations for consumers in need of POCs.

Inogen vs. Philips Respironics

Inogen has established itself as a reliable brand in the POC industry, with devices known for their portability and advanced features. The Inogen G5, the successor to the G2, is significantly lighter, weighing only 4.7 pounds compared to 7 pounds for the G2 model, and offers up to 13 hours of battery life on a single charge.

Philips Respironics is another key player in the market, notable for their range of POCs renowned for innovation. Their devices are designed with user convenience in mind, although specifics on weight and battery life vary by model. The comparison between these brands revolves around the trade-offs between weight, battery life, and additional features offered.

Market Alternatives to Inogen POCs

While Inogen’s products, such as the G2 and G5, often set a benchmark in the industry, users have a variety of options when considering a POC:

Drive Devilbiss Healthcare offers portable models that compete with Inogen. They highlight their commitment to producing user-friendly and portable devices.

Inogen’s models are often contrasted against Drive Devilbiss iGo2 and Inogen One G4 for their comprehensive solutions in oxygen therapy. Devices from both companies promise ease of transport and are made for users requiring mobility. A detailed comparison of attributes such as size, weight, and battery life is critical for users to find the best POC to meet their needs.

Frequently Asked Questions

A side-by-side comparison of Inogen G2 and G5 with prominent features highlighted

This section addresses some of the most common inquiries regarding the Inogen One G2 and G5 models, focusing on their differences, specific features, and operational capabilities.

What are the main differences between the Inogen One G3 and G5 models?

The Inogen One G5 model presents improved features over the G3, such as a longer battery life of up to 13 hours with a double battery and a higher number of flow settings, offering greater flexibility and convenience for users.

What is the weight of the Inogen One G5, including the battery?

Including the battery, the Inogen One G5 weighs 4.7 pounds, making it notably lightweight and portable for users.

How does the battery life of the Inogen One G5 compare to other models?

The Inogen One G5 outperforms several other models with its extended battery life, capable of operating up to 13 hours on a single double battery, significantly longer than the G2’s 8 hours with a 24-cell battery.

Can the Inogen One G5 be operated continuously for 24 hours?

The Inogen One G5 cannot operate for a full 24 hours without replacing or recharging the batteries. However, with additional batteries and timely swapping, it can provide continuous oxygen supply throughout the day.

What is the expected operational lifespan of the Inogen One G5 unit?

While specific lifespan data may vary, the Inogen One G5 unit is designed for durability and extended use, with users often experiencing several years of reliable operation.

Does the Inogen One G5 offer a continuous flow setting?

The Inogen One G5 does not offer a continuous flow setting; it provides oxygen therapy on a pulse-dose basis which is sufficient for the needs of most users requiring supplemental oxygen.

The team at are experts when it comes to oxygen concentrators. We are dedicated to providing as much help as we can for people who are undergoing oxygen therapy and need help with oxygen concentrators. We research and immerse ourselves in the industry and are assisted by our team of medical experts.

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