How Long Does an Inogen Battery Last? Tips to Extend Battery Life

When it comes to maintaining independence and mobility, having a reliable oxygen concentrator is crucial. And when it comes to portable oxygen concentrators, the Inogen brand is definitely among the most popular choices on the market. One of the most common questions that people have when they’re considering getting an Inogen is, “How long does an Inogen battery last?” After all, you don’t want to get caught without your necessary oxygen supply when you’re out and about.

The truth is, the answer to this question depends on several factors. While Inogen batteries can last quite a while, the actual length of time will vary based on how much you need to use your oxygen concentrator. Some people may be able to go several hours on a single battery charge, while others may need to recharge every couple of hours. Other factors that can impact battery life include the age of your battery, the temperature and humidity of your environment, and the altitude you’re at.

But perhaps the most important factor when it comes to Inogen battery life is how well you take care of it. Like any rechargeable battery, your Inogen battery will gradually lose its ability to hold a charge over time. However, you can extend its lifespan by properly caring for it. By following the manufacturer’s recommendations for charging and storage, you can help ensure that your Inogen battery will last as long as possible.

Overview of Inogen batteries

If you are in the market for a portable oxygen concentrator (POC), you may have come across Inogen’s line of products. Inogen offers a variety of POCs that cater to different oxygen flow needs; however, one aspect that remains consistent across their products is the use of rechargeable batteries.

Unlike traditional oxygen tanks, which must be refilled and exchanged periodically, Inogen’s POCs allow users to simply charge their batteries and use them on the go. But how long do Inogen batteries last, and what factors may impact their lifespan?

Inogen battery lifespan

  • Inogen batteries are rated to last between 2.7 and 13.5 hours, depending on the flow setting used and the type of POC you own.
  • Factors that can affect battery life include altitude, temperature, breathing patterns, and user activity levels.
  • Inogen offers extra batteries for purchase, allowing users to extend their oxygen therapy time without having to recharge in between.

Maximizing battery lifespan

While there is no guaranteed way to ensure your Inogen battery will last for its maximum rated time, there are steps you can take to increase the likelihood:

  • Store your battery in a cool, dry place and avoid exposing it to extreme temperatures.
  • Avoid overcharging your battery by unplugging it once it reaches a full charge. Leaving it plugged in could potentially damage the battery over time.
  • If you plan to use your POC at high altitudes, note that battery life will be reduced. Consider purchasing extra batteries or planning for shorter outings if you know you’ll be at a high elevation.
  • Be aware of your breathing patterns and activity levels. The harder your body has to work to breathe, the more oxygen your POC will need to deliver, which can drain the battery faster.

Inogen battery replacement

Like any rechargeable battery, Inogen batteries will eventually need to be replaced. The lifespan of a battery can vary based on usage and environmental factors, but you may notice a decrease in performance over time. If you find that your battery is holding less and less of a charge, it may be time to purchase a replacement.

Inogen Model Battery Type Average Lifespan Price (as of June 2021)
Inogen One G3 8-cell 300-500 cycles (approximately 12-16 months) $250
Inogen One G4 8-cell 300-500 cycles (approximately 12-16 months) $250
Inogen One G5 16-cell 300-500 cycles (approximately 12-16 months) $495

It’s important to note that these averages are just estimates and your battery may last longer or shorter depending on how often you use it and how well you care for it. When it’s time to replace your battery, be sure to purchase one from a reputable seller to ensure its quality and compatibility with your device.

Types of Inogen batteries

Inogen is a renowned brand of portable oxygen concentrators that offer great respiratory support to individuals who suffer from any type of chronic respiratory condition. One of the main features of Inogen portable oxygen concentrators is their battery life. There are typically two types of Inogen batteries: rechargeable and disposable. Let’s take a closer look at what each type entails.

  • Rechargeable Batteries: These batteries are designed to be used multiple times before they need replacing. When properly maintained and charged, a rechargeable battery can last for up to 4-5 hours on a single charge, depending on which model of the Inogen portable oxygen concentrator you have. If you require more battery life, you can always carry a spare battery, which doubles the amount of time you can use your Inogen portable oxygen concentrator.
  • Disposable Batteries: These batteries are a great alternative for individuals who need to use their Inogen portable oxygen concentrator for longer periods of time, but don’t have access to a charging outlet. These batteries are typically used as a backup power source, and can last for up to 3 hours on a single charge. They are also very lightweight and small in size, making them easy to carry around.

Factors Influencing Battery Life

While all Inogen batteries have unique characteristics, some factors can significantly affect their performance and battery life. These factors include:

  • The age of the battery
  • The flow rate at which the Inogen portable oxygen concentrator is set
  • The temperature at which the battery is stored or used
  • The altitude at which the battery is used

All Inogen battery types are designed to be long-lasting and reliable, and users can rest assured that each battery has undergone rigorous testing before being released into the market.

Battery Replacement

When it comes to replacing the battery of your Inogen portable oxygen concentrator, it is important to take into account the type of battery you are using. Rechargeable batteries usually have a lifespan of around 500 charge cycles, while disposable batteries are designed for a single-use only.

Type of Battery Average Lifespan
Rechargeable 500 charge cycles
Disposable Single-use only

When it is time to replace your battery, it is important to purchase the correct type of battery which is compatible with your Inogen portable oxygen concentrator. This will ensure that your device will continue to function well and provide you with the necessary respiratory support you need.

Inogen battery lifespan

One of the most important factors to consider when purchasing an Inogen portable oxygen concentrator is its battery life. The battery life of the Inogen oxygen concentrator largely depends on the model you purchase, usage, and maintenance of the battery.

Factors affecting Inogen battery life

  • The model: Different Inogen models come with varying battery capacities and durability that directly affect the battery life. Some models come with smaller capacity batteries that can last for a shorter period, while others have larger batteries that can last longer.
  • The intensity of usage: The amount of time you use the Inogen oxygen concentrator significantly impacts battery lifespan. If you use higher settings, the battery life will reduce considerably compared to using the device on the lower settings.
  • Battery maintenance: Proactive battery care and maintenance practices, such as not overcharging or discharging the battery, cleaning the battery, and replacing the battery when it starts to degrade can increase its lifespan.

Maximizing Inogen battery lifespan

There are a few simple things you can do to maximize the battery life of your Inogen portable oxygen concentrator. First, to avoid overheating or over-discharging the battery, avoid exposing it to extreme temperatures and ensure it is always charged to at least 40% before storing it. You should also remove the battery from your Inogen concentrator and charge it separately from the device for optimal charging performance.

Some additional tips to ensure longer-lasting Inogen battery life include keeping the battery in a cool, dry place and avoiding exposing it to direct sunlight, not storing the battery for extended periods without use, and scheduling regular maintenance checks to ensure it is in good working condition.

Inogen battery lifespan comparison table

Inogen Model Battery life
Inogen One G4 Up to 5 hours
Inogen One G5 Up to 6.5 hours
Inogen One G3 Up to 10 hours
Inogen At Home Up to 13 hours

This comparison table shows the approximate battery life of various Inogen models, based on average usage and maintenance levels. Keep in mind that these life spans may vary depending on usage conditions, environmental factors, and maintenance practices.

Signs of a dying Inogen battery

If you rely on an Inogen portable oxygen concentrator, you understand how vital it is to have a reliable battery. A dying battery can mean the difference between breathing comfortably or struggling to catch your breath. In this subtopic, we will discuss the signs of a dying Inogen battery so you can ensure your unit stays operational.

  • The battery doesn’t hold a charge as long as it used to. If you find that your Inogen battery is draining faster than normal, it may be a sign that the battery is starting to die.
  • The battery takes longer to charge. If your battery is taking an abnormally long time to charge, it may be an indication that the battery’s overall health is declining.
  • The battery doesn’t power your unit correctly. If you notice power fluctuations or that your unit isn’t running correctly, it may be a sign that your Inogen battery is nearing the end of its usable life.

If you experience any of these issues, it’s time to consider replacing your battery. Inogen recommends replacing your battery every 12-18 months, depending on usage. This will ensure that your unit runs at peak performance and you have reliable access to oxygen whenever you need it.

It’s important to understand how to properly care for your battery and extend its lifespan. Some tips to help your Inogen battery last longer include:

  • Store your battery in a cool, dry place when not in use
  • Avoid exposing your battery to extreme temperatures or moisture
  • Only use Inogen-approved chargers and accessories
  • Avoid letting the battery drain completely

By following these tips, you can help ensure that your Inogen battery lasts as long as possible and that you always have reliable access to oxygen therapy when you need it.

Battery Model Expected Battery Life
Inogen One G2 4-6 hours
Inogen One G3 2-9 hours, Depending on Flow Setting
Inogen One G4 2.7-5 hours, Depending on Flow Setting and Battery Size

It’s essential to understand your battery’s lifespan to ensure you have enough charge to get through the day. Keep in mind that these times may vary depending on factors like altitude, temperature, and overall battery health. Always carry a backup battery or charger with you to avoid running out of power in the middle of the day.

Factors that affect Inogen battery life

Portable oxygen concentrators have been a game-changer for oxygen therapy patients. They allow them the freedom to travel, work, and play without being tethered to a stationary oxygen source. Inogen is one of the leading brands in the medical device industry, providing portable oxygen concentrators with reliable battery performance. However, there are several factors that can impact the Inogen battery life, which we will discuss below:

5 Factors that affect Inogen battery life

  • Battery capacity: The battery capacity is the amount of energy stored in the Inogen battery. The higher the battery capacity, the longer the battery life. Inogen batteries come in different capacities ranging from 8-cell (4 hours) to 16-cell (8 hours).
  • Oxygen setting: The oxygen setting is the flow rate of oxygen delivered to the patient. The higher the oxygen setting, the more electricity the Inogen concentrator needs to consume to deliver the flow. Therefore, operating the concentrator at a higher oxygen setting shortens battery life.
  • Ambient temperature: The ambient temperature is the temperature of the environment in which the Inogen concentrator operates. Operating the concentrator in hot or cold temperatures affects the battery life since batteries perform best at room temperature (68-72°F).
  • Humidity: Humidity affects battery life as well. Operating the Inogen in high humidity environments reduces battery life by accelerating the aging process of the battery.
  • Battery age: The Inogen battery has a lifespan, and as they get older, their performance deteriorates. Hence, older batteries don’t last as long as newer ones. Keeping a regular battery replacement schedule is recommended to maintain battery life.


Understanding the factors that affect the Inogen battery life is crucial since it guarantees reliable and efficient battery performance. Patients should take care to ensure that they store the batteries correctly in a cool and dry environment. It is also essential to follow the manufacturer’s instructions on battery usage. The bottom line is that with proper care and maintenance, patients can enjoy maximum Inogen battery life for their portable oxygen concentrator.

Comparison of Inogen Battery Lifespan to Other Portable Oxygen Concentrators

When it comes to portable oxygen concentrators, one of the most important factors to consider is battery life. After all, the whole point of a portable oxygen concentrator is to provide you with uninterrupted oxygen therapy on-the-go.

Inogen is one of the leading manufacturers of portable oxygen concentrators, and their battery lifespan is no exception to their exceptional quality standards. Let’s take a look at how the Inogen battery stacks up against other portable oxygen concentrator batteries.

Other Portable Oxygen Concentrator Brands

  • Respironics:
    • The SimplyGo Mini’s standard battery lasts up to 4.5 hours.
    • The SimplyGo’s standard battery lasts up to 3.5 hours.
  • SeQual:
    • The Eclipse 5’s standard battery lasts up to 2 hours.
    • The eQuinox’s standard battery lasts up to 5 hours.
  • Invacare:
    • The Platinum Mobile’s standard battery lasts up to 4.5 hours.
    • The XPO2’s standard battery lasts up to 2 hours.

Inogen Battery Lifespan

Inogen offers a range of portable oxygen concentrators with varying battery capacities:

  • The Inogen One G4’s standard battery lasts up to 2.7 hours.
  • The Inogen One G3’s standard battery lasts up to 4.5 hours.
  • The Inogen One G5’s standard battery lasts up to 4.5 hours.

In addition, Inogen also offers upgraded extended batteries for longer use:

  • The G4 double battery can last up to 5 hours.
  • The G3 double battery can last up to 9 hours.
  • The G5 double battery can last up to 13 hours.

Battery Lifespan Comparison Chart

Portable Oxygen Concentrator Brand Battery Lifespan (Standard Battery) Battery Lifespan (Upgraded Battery)
Inogen One G4 2.7 hours 5 hours
Inogen One G3 4.5 hours 9 hours
Inogen One G5 4.5 hours 13 hours
Respironics SimplyGo Mini 4.5 hours N/A
Respironics SimplyGo 3.5 hours N/A
SeQual Eclipse 2 hours N/A
SeQual eQuinox 5 hours N/A
Invacare Platinum Mobile 4.5 hours N/A
Invacare XPO2 2 hours N/A

As you can see from the chart above, Inogen’s battery lifespan exceeds the standard battery life of other portable oxygen concentrator brands, and their upgraded batteries offer even longer use. This means that you can have peace of mind knowing that your Inogen portable oxygen concentrator will provide you with reliable and uninterrupted oxygen therapy for longer periods of time, no matter where you go.

Tips to prolong the life of an Inogen battery

If you own an Inogen Portable Oxygen Concentrator, you know how important it is to have a reliable and long-lasting battery. The lifespan of your battery depends on several factors, including usage patterns, charging habits, and environmental conditions. Here are some tips to help you prolong the life of your battery:

  • Use the appropriate charger: Only use the charger that came with your Inogen device. Using a different charger can damage your battery and shorten its lifespan.
  • Charge your battery correctly: Always let your battery charge fully before using it, and only charge your battery when it is completely drained. Do not charge your battery overnight.
  • Store your battery correctly: Store your battery in a cool, dry place away from direct sunlight or extreme temperatures. Do not store your battery when it is fully discharged.

By following these tips, you can help extend the life of your Inogen battery and ensure that your device is always ready for use when you need it.

In addition to these basic tips, there are also additional steps you can take to further prolong the life of your Inogen battery:

  • Avoid overcharging your battery: Overcharging your battery can cause it to overheat and shorten its lifespan. Unplug your battery as soon as it is fully charged.
  • Minimize deep discharges: While it is important to fully discharge your battery before recharging it, frequent deep discharges can also shorten its lifespan. Aim to discharge your battery to around 20% before recharging it.
  • Maintain your device: Regularly cleaning and inspecting your Inogen device can help prevent damage to your battery and other components. Follow the manufacturer’s instructions for cleaning and maintenance.
Battery life (hours) Inogen One Inogen One G2 Inogen One G3
Setting 1 3 3 4.7
Setting 2 2.2 2.8 4.4
Setting 3 1.7 2.3 3.5

Overall, the lifespan of an Inogen battery varies based on several factors, but by following these tips and taking care of your device, you can help prolong its life and ensure that your oxygen therapy needs are always met.

Charging an Inogen battery

One of the main benefits of using an Inogen portable oxygen concentrator is that it allows users to go about their daily activities without being tethered to an electrical outlet. However, like any battery-powered device, eventually the battery will need to be recharged.

Here are some key things to keep in mind when it comes to charging your Inogen battery:

  • Most Inogen batteries will take between 2-4 hours to fully charge.
  • It’s important to use the charger specifically designed for your Inogen model – using incompatible chargers can damage the battery and/or the device itself.
  • Keep the battery and charger away from water, extreme temperatures, and direct sunlight.
  • Make sure the device is turned off before connecting it to the charger.
  • It’s generally a good idea to charge your Inogen battery overnight, so it’s ready for use the next day.

In addition to these general guidelines, there are a few specific tips that will help you get the most out of your Inogen battery:

  • Try to charge your battery before it gets too low – waiting until it’s completely drained can actually shorten the battery’s overall lifespan.
  • If you plan on storing your Inogen for an extended period of time (say, a month or longer), fully charge the battery and then disconnect it from the device to prevent over-discharging.
  • If you’re going on a trip and won’t have access to electricity, consider investing in a spare Inogen battery so you’ll always have a backup.

Overall, properly charging and maintaining your Inogen battery is crucial to getting the most out of your portable oxygen concentrator. By following the above guidelines, you’ll be able to enjoy the freedom and independence that Inogen provides for years to come.

How long does an Inogen battery last?

The lifespan of an Inogen battery can vary depending on a variety of factors, such as how often it’s used, how well it’s maintained, and how high or low the flow rate is set. In general, most Inogen batteries will last between 2-4 years before needing to be replaced. However, it’s important to note that regular usage (especially at higher flow rates) can cause the battery to degrade more quickly.

Flow rate setting Estimated battery life
Setting 1 4-5 hours
Setting 2 3-4 hours
Setting 3 2-3 hours
Setting 4 1-2 hours

Of course, the actual life of your Inogen battery may be longer or shorter depending on how often it’s used and how well it’s maintained. Some users report getting up to 5 years out of their Inogen batteries, while others may need a replacement after just a year or two.

If you’re concerned about your Inogen battery’s lifespan, the best thing you can do is make sure it’s charged and maintained properly. By following the steps outlined above, you’ll be able to get the most out of your battery and ensure your Inogen continues to meet your oxygen needs for years to come.

How to replace an Inogen battery

If you own an Inogen One portable oxygen concentrator, you know how important it is to have a reliable battery. The batteries on these devices can last anywhere from 2 to 6 hours, depending on which model you have and the flow rate of oxygen that you require. When it’s time to replace your Inogen battery, you want to make sure you know all the steps to ensure a smooth transition to your new battery. Here’s what you need to know:

  • Make sure you have the right battery for your model of Inogen One. Inogen offers external batteries for all their models, including the G4, G3, G2, and G1.
  • Turn off your Inogen One concentrator before removing the old battery. You can do this by simply pressing and holding the power button until the device shuts down.
  • Locate the battery release button on the bottom of your Inogen One. This button will release the battery from the device when pressed.

Once you’ve removed the old battery, you can insert your new battery into the device. Make sure the battery is properly aligned with the device before attempting to insert it. You should feel a click or snap when the battery is properly inserted.

If you are having trouble inserting your new battery, double-check that it is the correct battery for your model of Inogen One. Getting the wrong battery can cause issues with insertion and lead to damage to the device.

To extend the lifespan of your new battery, make sure to follow the manufacturer’s guidelines for charging and usage. Overusing or undercharging your battery can lead to a shortened lifespan and decreased performance.


Knowing how to replace your Inogen battery is an important part of owning an Inogen One portable oxygen concentrator. Make sure to have the correct battery for your model, turn off your device before removing or inserting the battery, and follow the manufacturer’s guidelines for charging and usage. With these tips, your Inogen One device will be ready to go with a new, reliable battery in no time.

Cost of Inogen batteries

When purchasing a portable oxygen concentrator, it’s important to consider the cost of replacement batteries. Inogen batteries are a crucial component of the Inogen One G4 and G5 concentrators that allow them to be used for extended periods of time without being plugged into an electrical outlet. Here’s what you need to know about the cost of Inogen batteries:

  • The price of Inogen batteries can vary depending on where you purchase them, but they typically range between $250-$375.
  • Each Inogen One G4 battery lasts up to 2.7 hours on a setting of 2, while the G5 battery lasts up to 6.5 hours on the same setting.
  • It’s recommended to have at least one backup battery for your Inogen concentrator, which means an additional cost of anywhere from $250-$375 depending on the model.
  • Some insurance plans may cover the cost of replacement batteries, so it’s worth checking with your provider to see if this is an option for you.

While the cost of Inogen batteries may seem steep, it’s important to remember that they are essential for individuals who rely on portable oxygen concentrators for their oxygen therapy. It’s also important to factor in the cost of replacements when budgeting for the purchase of a new concentrator. Overall, the benefits of having a portable oxygen concentrator with long-lasting batteries far outweigh the cost.

FAQs: How long does an Inogen battery last?

Q: How long does an Inogen battery last on a single charge?
A: The answer to this question varies depending on the model and settings you choose. However, most Inogen battery models can last up to five or six hours on a single charge with moderate to high settings.

Q: Can I charge my Inogen battery overnight?
A: It is recommended not to charge your Inogen battery overnight to avoid overcharging, which can damage the battery. The Inogen battery charger automatically shuts off once the battery is fully charged.

Q: How many times can I recharge my Inogen battery?
A: Inogen batteries are designed to be recharged thousands of times before needing to be replaced. However, the exact number of recharge cycles depends on how well you take care of the battery.

Q: Can I use my Inogen oxygen concentrator while my battery is charging?
A: Yes, you can use your Inogen oxygen concentrator while your battery is charging. However, it is important to note that the battery will take longer to charge while in use.

Q: How long does it take to charge an Inogen battery fully?
A: On average, it takes about four to six hours to charge an Inogen battery fully. However, this can vary depending on the model and the current battery level.

Q: Can I bring my Inogen battery on a plane?
A: Yes, you can bring your Inogen battery on a plane. However, it is recommended to check with your airline’s policy beforehand to ensure safe transportation.

Q: How do I know when my Inogen battery needs to be replaced?
A: Inogen batteries typically last for 500 to 800 charge cycles before needing to be replaced. If you notice that your battery is not holding a charge well or dying quickly, it may be time for a replacement.

Closing thoughts

Thank you for reading our FAQs about how long does an Inogen battery last. We hope we have answered your questions and provided helpful information. If you have any further questions, please don’t hesitate to reach out to Inogen customer support. Remember to take care of your Inogen battery and keep it charged for when you need it most. And as always, feel free to visit our blog for more articles on Inogen products.