Master air travel with your Inogen One G2 portable oxygen concentrator. Complete TSA screening, battery planning, airline approval, and in-flight setup guide for safe, confident travel.
Traveling with your Inogen One G2 portable oxygen concentrator doesn't have to be stressful. Whether you're planning your first flight with oxygen therapy or you're a seasoned traveler looking to optimize your setup, this comprehensive guide covers everything you need to know about flying with the Inogen G2.
The Inogen One G2 remains one of the most reliable portable oxygen concentrators for air travel, even years after its release. With proper preparation, TSA compliance, and airline coordination, you can travel confidently with your G2 to destinations worldwide.
Understanding the Inogen One G2 for Air Travel
Technical Specifications for Aviation Compliance
The Inogen One G2 meets all FAA requirements for in-flight use as a portable oxygen concentrator. Here are the key specifications that matter for air travel:
Device Specifications:
- Weight: 7 pounds (3.2 kg) with 8-cell battery
- Dimensions: 10" H x 7" W x 3" D
- FAA Approval: Yes - FAA-approved POC for in-flight use
- Flow Settings: Pulse dose settings 1-5
- Power Requirements: AC (100-240V), DC (12V), or battery
- Noise Level: 40 decibels at setting 2
Battery Performance:
- 8-Cell Battery: Up to 4 hours at setting 2
- 12-Cell Battery: Up to 5.5 hours at setting 2
- 16-Cell Battery: Up to 8 hours at setting 2
- Charging Time: 3-6 hours depending on battery size
The G2's pulse dose delivery system adjusts oxygen output based on your breathing rate, making it efficient for extended flights. Understanding your battery needs based on your prescribed flow setting is critical for travel planning.
Why the Inogen G2 is Travel-Friendly
Despite being an older model compared to the G3, G4, and G5, the Inogen One G2 offers several advantages for travelers:
- Proven Reliability: Years of proven performance in various travel conditions
- Widespread Recognition: TSA agents and airline staff are familiar with this model
- Battery Availability: Replacement batteries are readily available
- Robust Construction: Durable design withstands travel stress
- Simple Operation: Straightforward controls for easy in-flight adjustments
Many long-term oxygen therapy patients prefer the G2's larger size and weight over newer models because it feels more substantial and secure during travel.
TSA Screening Process with the Inogen G2
Pre-Security Preparation
Before arriving at the airport, prepare your Inogen G2 and documentation for TSA screening:
Required Documentation:
- Physician's prescription for oxygen therapy (dated within 12 months)
- Device manufacturer's label (already on your G2)
- Battery watt-hour rating information (batteries are labeled)
- Airline pre-approval confirmation (if required by your carrier)
Packing Configuration:
- Remove G2 from carrying case for X-ray screening
- Separate all batteries from the device
- Place batteries in clear plastic bags if possible
- Organize documentation in easily accessible pocket
Communication Strategy: Inform the TSA officer immediately: "I have a medical device - a portable oxygen concentrator that is FAA-approved for flights. I have my prescription and documentation."
X-Ray Screening Procedures
The Inogen G2 and its batteries must go through X-ray screening:
Device Screening:
- Remove G2 from carrying case or backpack
- Place device in a separate bin for X-ray
- Keep device powered off during screening
- Be prepared for additional inspection if requested
Battery Screening:
- Remove all batteries from the device
- Place batteries in separate bin
- Ensure battery terminals are protected (original packaging or tape)
- Expect possible explosive trace detection (ETD) swab testing
If Additional Screening is Required:
- TSA may perform visual inspection of your G2
- Officers may ask you to power on the device
- Swab testing for explosive residue is common
- Request visual inspection instead of X-ray if concerned (though not typically necessary)
TSA PreCheck Benefits for POC Travelers
If you have TSA PreCheck, you can expedite your screening process:
- Keep G2 in your carrying case (don't remove from bag)
- Batteries still require separate screening
- Faster lane access reduces stress and time pressure
- Particularly valuable for passengers with mobility challenges
Applying for TSA PreCheck with Medical Devices: Visit the TSA PreCheck enrollment center with your medical device and prescription. The process costs $78 for 5 years and can significantly improve your travel experience with the Inogen G2.
Airline Approval and Notification Requirements
FAA Approval Status
The Inogen One G2 is on the FAA's list of approved portable oxygen concentrators for in-flight use. This means:
- ✅ Approved for use during all phases of flight (takeoff, cruise, landing)
- ✅ Does not count against carry-on baggage limits
- ✅ Batteries are permitted in cabin baggage (not checked)
- ✅ No airline can prohibit the G2 if you meet documentation requirements
Airline Notification Process
While the G2 is FAA-approved, most airlines require advance notification:
Notification Timeline:
- Domestic flights: 48 hours advance notice
- International flights: 48-72 hours advance notice
- Some carriers: Up to 7 days for international routes
What to Communicate to the Airline:
- You will be traveling with an Inogen One G2 POC
- Number of batteries you plan to bring
- Watt-hour rating of your batteries (typically 77Wh or 92Wh)
- Your oxygen prescription and flow setting
- Confirmation that device is FAA-approved
How to Notify Airlines:
- Phone: Call airline accessibility/disability services desk
- Online: Some airlines have online medical device forms
- Airport: Not recommended - notify in advance
- Confirmation: Request written confirmation via email
Major Airline Contact Numbers:
- American Airlines: 1-800-433-7300
- Delta Air Lines: 1-404-209-3434
- United Airlines: 1-800-228-2744
- Southwest Airlines: 1-800-I-FLY-SWA
Documentation to Bring
Carry these documents in your personal item for easy access:
- Physician's Prescription: Include diagnosis, prescribed flow setting, and statement of medical necessity
- Device Label Photo: Take photo of G2's FAA approval label
- Battery Labels: Photos of battery watt-hour ratings
- Airline Confirmation: Email or reference number from airline
- Emergency Contact: Doctor's contact information for in-flight emergencies
Battery Planning for Your Flight
Calculating Battery Needs
Proper battery planning is crucial for successful air travel with your Inogen G2. Use this formula:
Battery Calculation Formula: (Flight Duration + Connection Time + Delays) × 150% = Total Battery Time Needed
Example for 5-Hour Flight:
- Flight time: 5 hours
- Connection/delays buffer: 2 hours
- Total: 7 hours × 150% = 10.5 hours of battery needed
Battery Options for Inogen G2:
- 8-Cell (77Wh): ~4 hours at setting 2
- 12-Cell (92Wh): ~5.5 hours at setting 2
- 16-Cell (98Wh): ~8 hours at setting 2
Sample Battery Plans:
Short Flight (2-3 hours):
- 1 × 16-cell battery (8 hours capacity) = sufficient
- Or 2 × 8-cell batteries (8 hours total)
Medium Flight (5-7 hours):
- 2 × 12-cell batteries (11 hours total) = recommended
- Or 1 × 16-cell + 1 × 8-cell (12 hours total)
Long-haul Flight (10+ hours):
- 3 × 12-cell batteries (16.5 hours total)
- Or 2 × 16-cell + 1 × 8-cell (20 hours total)
Lithium Battery Regulations (FAA)
All Inogen G2 batteries contain lithium-ion cells and must comply with FAA battery limits:
Watt-Hour Limits:
- Under 100Wh: Unlimited quantity allowed (with airline approval)
- 100-160Wh: Maximum 2 spare batteries (with airline approval)
- Over 160Wh: Prohibited on passenger aircraft
Inogen G2 Battery Compliance:
- ✅ 8-Cell (77Wh): Unlimited quantity allowed
- ✅ 12-Cell (92Wh): Unlimited quantity allowed
- ✅ 16-Cell (98Wh): Unlimited quantity allowed
All G2 batteries are under 100Wh, so you can bring as many as you need for your journey (within reason and with airline coordination).
Battery Packing Requirements
Carry-On Only - Never Check Batteries: Lithium batteries must be in cabin baggage, never in checked luggage.
Terminal Protection: Protect battery terminals from short circuits:
- Keep batteries in original packaging when possible
- Use plastic battery caps (available from Inogen)
- Cover terminals with non-conductive tape
- Store each battery in separate plastic bag
In-Flight Battery Access: Pack batteries in your personal item (not overhead bin) for easy access during flight. You'll need to swap batteries on longer flights without leaving your seat.
Packing Your Inogen G2 for Air Travel
Carry-On Configuration
Essential Carry-On Items:
- Inogen One G2 unit (in carrying case)
- All spare batteries (in personal item)
- AC power adapter (for airport charging and destination)
- Instruction manual (helpful for TSA/airline verification)
- Prescription and documentation
Optional but Recommended:
- DC power adapter (for car travel at destination)
- Spare nasal cannula (2-3 extras)
- Tubing organizer or clips
- Portable battery charger (if available)
- Cleaning supplies (sanitizing wipes, filters)
Carrying Case Selection
The Inogen G2 carrying case should be:
- Padded: Protect device from impacts during travel
- Ventilated: Allow airflow to prevent overheating
- Accessible: Easy access to controls and cannula connection
- Organized: Separate pockets for batteries and accessories
Popular G2 Carrying Options:
- Inogen Original Shoulder Bag: Purpose-built, well-ventilated
- Backpack Style: Hands-free, comfortable for longer walks
- Rolling Cart: Reduces carrying strain (check airline size limits)
Ensure your carrying case fits under the airplane seat (typically 18" × 14" × 8" maximum).
Personal Item Strategy
Most airlines allow:
- 1 carry-on bag (your G2 in carrying case - exempt from limits)
- 1 personal item (purse, laptop bag, or small backpack)
Use Your Personal Item For:
- Spare batteries (easy access under seat)
- Documentation and prescriptions
- Charging cables and adapters
- Backup cannulas and supplies
- Medications and emergency supplies
In-Flight Use and Management
Powering On Before Boarding
Preboarding Procedures:
- Ensure G2 battery is installed and charged
- Power on device before boarding to verify operation
- Adjust flow setting to prescribed level
- Confirm green indicator lights are functioning
- Test cannula connection and oxygen delivery
Requesting Preboarding: As a passenger with a medical device, you're entitled to preboard under the Air Carrier Access Act (ACAA). Inform the gate agent: "I require preboarding due to my medical oxygen equipment."
Preboarding allows you to:
- Store carry-on without overhead bin stress
- Set up your G2 comfortably before other passengers board
- Secure proper space under the seat in front of you
- Connect with flight attendants about your needs
Seat Selection Strategies
Best Seats for G2 Users:
- Aisle seats: Easy bathroom access without disturbing others
- Bulkhead rows: Extra legroom for device placement
- Exit rows: Usually prohibited for passengers with medical devices
- Front of cabin: Shorter wait for deplaning
Avoid:
- Window seats (difficult bathroom access with oxygen tubing)
- Middle seats (cramped space for device management)
- Rear of plane (slower deplaning)
Managing the G2 During Flight
Takeoff and Landing: The Inogen G2 can remain on during all phases of flight. However:
- Secure device properly under seat or in approved location
- Ensure tubing doesn't create tripping hazard
- Keep cannula in place and oxygen flowing
- Flight attendants may verify device is secured
During Cruise:
- Monitor battery level regularly (check display)
- Swap batteries before current one depletes completely
- Keep spare batteries in personal item under seat
- Adjust flow setting only as prescribed by physician
Battery Swapping In-Flight:
- Prepare new battery from your personal item
- Power off G2 (or keep on if medically necessary)
- Remove depleted battery
- Insert charged battery firmly
- Power on and verify operation
- Store depleted battery safely in personal item
Bathroom Visits:
- Bring G2 with you (don't leave it at your seat)
- Use shoulder bag or carry carefully
- Inform flight attendant if you need assistance
- Plan for limited lavatory space
Troubleshooting Common In-Flight Issues
G2 Alarm Sounds:
- Low Battery: Swap to fresh battery immediately
- No Breath Detected: Check cannula connection
- High Temperature: Allow device to cool, ensure ventilation
- General Fault: Power cycle device; consult manual
Oxygen Delivery Concerns:
- Verify prescribed flow setting is selected
- Check cannula for kinks or obstructions
- Ensure nasal prongs are properly positioned
- Have backup cannula ready if needed
Flight Attendant Questions: Be prepared to show:
- FAA approval label on device
- Prescription documentation
- Battery watt-hour ratings
- Confirmation it's approved for in-flight use
International Travel Considerations
Country-Specific Regulations
While the G2 is FAA-approved, international destinations have their own medical device regulations:
European Union:
- Generally accepts FAA-approved POCs
- Some countries require advance customs notification
- Bring prescription translated if traveling to non-English countries
- Voltage adapters needed (220-240V vs. US 110-120V)
Asia-Pacific:
- Japan, Australia, New Zealand generally accept FAA-approved devices
- China and some Southeast Asian countries may have additional requirements
- Contact destination country's aviation authority for confirmation
Middle East:
- UAE, Qatar, and major carriers typically accept FAA-approved POCs
- Conservative customs policies may require detailed documentation
- Consider religious holidays and travel restrictions
Customs Declaration: Medical devices are typically exempt from import duties, but you should:
- Declare your G2 at customs if asked
- Carry proof of medical necessity (prescription)
- Explain device is for personal medical use, not commercial import
- Keep all original documentation accessible
Power Adapters and Charging Abroad
Voltage Compatibility: The Inogen G2 AC adapter supports 100-240V (universal voltage), but you'll need:
- Plug adapters: Country-specific plug shapes (Type C, G, I, etc.)
- Portable power strip: Bring US-style strip + one adapter for multiple devices
- Car charger: 12V DC adapter works in most rental cars worldwide
Charging Strategies Abroad:
- Charge batteries at hotel overnight (bring multiple batteries)
- Identify airport charging stations for long layovers
- Research medical equipment rental companies at destination (backup plan)
- Bring portable battery charger if available for G2
Travel Insurance for Medical Devices
Consider travel insurance that covers:
- Device damage or loss: Replacement cost coverage
- Trip interruption: If device failure prevents travel continuation
- Emergency medical evacuation: If oxygen needs exceed G2 capacity
- Baggage delay: Coverage for temporary oxygen rental if bags delayed
Recommended Policies:
- Allianz Global Assistance (medical device coverage)
- Travel Guard (equipment protection plan)
- World Nomads (adventure travel with medical needs)
Maintenance and Cleaning During Travel
Pre-Flight Inspection Checklist
Before leaving for the airport, inspect your Inogen G2:
Device Check:
- Clean exterior with damp cloth (no liquid inside vents)
- Check all indicator lights function properly
- Verify no unusual sounds or vibrations
- Inspect power port for damage
- Test all flow settings operate correctly
Battery Check:
- All batteries fully charged
- No swelling, damage, or corrosion on batteries
- Battery contacts are clean
- Each battery holds charge (no rapid depletion)
Accessories Check:
- Spare nasal cannulas (2-3 extras)
- Cannula tubing is not cracked or brittle
- Filters are clean (replace if dirty)
- All cables and adapters present
Cleaning on the Go
Daily Cleaning During Travel:
- Wipe device exterior with sanitizing wipes (avoid vents)
- Clean nasal cannula daily with mild soap and water
- Replace cannula every 2 weeks or as needed
- Check inlet filter weekly (clean or replace)
Supplies to Pack:
- Alcohol-free sanitizing wipes
- Small bottle of mild dish soap
- Spare filters (if replaceable on G2 model)
- Backup cannulas
Important: Never submerge the G2 in water or spray liquids directly into vents. The device is not waterproof.
Filter Replacement
The Inogen G2 has an intake filter that should be checked regularly:
Filter Maintenance Schedule:
- Weekly: Visual inspection (especially during travel)
- Monthly: Clean filter (rinse with water, air dry)
- Quarterly: Replace filter if damaged or heavily soiled
Replacing Filter During Travel: If you notice reduced oxygen output or device overheating:
- Power off the G2
- Locate filter access panel (consult manual)
- Remove old filter carefully
- Insert new filter firmly
- Power on and verify normal operation
Bring 1-2 spare filters on extended trips.
Emergency Procedures and Backup Plans
Device Malfunction Scenarios
If G2 Stops Working In-Flight:
- Immediate Action: Notify flight attendant immediately
- Medical Emergency: Request emergency oxygen from aircraft supply
- Assessment: Crew will assess your oxygen saturation and condition
- Diversion: Severe cases may require flight diversion to nearest airport
If G2 Fails Before Flight:
- Contact airline immediately (don't proceed to airport)
- Rebook flight after device is repaired/replaced
- Visit airport medical supply rental company
- Contact Inogen customer service: 1-800-695-7621
Backup Oxygen Options
Emergency Oxygen Sources:
- Aircraft Emergency Oxygen: Available on all commercial flights for medical emergencies
- Airline-Provided Oxygen: Some airlines offer oxygen service (fee applies, must pre-book)
- Backup POC: Rent second POC for critical travel
- Oxygen Rental at Destination: Research local medical supply companies
Creating a Backup Plan:
- Identify medical supply rental companies at your destination
- Save Inogen customer service number in phone
- Bring copy of prescription for emergency oxygen rental
- Research nearest hospitals at destination
- Consider travel companion for assistance if needed
Contact Information for Support
Inogen Customer Support:
- Phone: 1-800-695-7621 (24/7 support)
- Email: customerservice@inogen.com
- Website: www.inogen.com/support
TSA Contact:
- TSA Cares Helpline: 1-855-787-2227 (72 hours before flight)
- Email: TSA-ContactCenter@tsa.dhs.gov
- Website: www.tsa.gov/travel/special-procedures
Airline Disability Services: (see Airline Notification section above)
Emergency Medical Advice:
- Your prescribing physician's contact information
- Local emergency services at destination
- Travel insurance 24/7 assistance line
Destination Considerations
Hotel and Accommodation Setup
Upon Arrival at Hotel:
- Locate AC Outlets: Ensure adequate outlets near bed for overnight charging
- Ventilation: Place G2 in well-ventilated area (not in closed closet)
- Security: Store device in safe location when leaving room
- Backup Power: Identify hotel backup generator locations
Requesting Accommodations: When booking hotels, request:
- Refrigerator for medications (if applicable)
- Non-smoking room (respiratory health)
- Ground floor or elevator access (mobility considerations)
- Late checkout (flexible packing time)
Ground Transportation
Taxi/Rideshare:
- Inform driver you have medical equipment
- Keep G2 in cabin with you (not trunk)
- Use DC car charger during long rides
Rental Cars:
- Verify 12V DC outlet availability
- Bring car charger for battery charging while driving
- Store G2 securely (seatbelt or secured container)
Public Transportation:
- Research accessibility policies
- Bring lightweight carrying option
- Plan for security screening at train/metro stations
Activity Planning with the G2
Daily Activities:
- Calculate battery needs for full-day excursions
- Identify charging opportunities (cafes, visitor centers)
- Bring backup batteries in daypack
- Plan rest breaks for battery swaps and device cooling
Altitude Considerations: High-altitude destinations may require:
- Higher flow settings (consult physician before travel)
- More frequent battery changes (higher oxygen output)
- Slower activity pace
- Pulse oximeter monitoring
Frequently Asked Questions (FAQ)
Q: Can I use my Inogen G2 during takeoff and landing? A: Yes. The FAA approves the Inogen G2 for use during all phases of flight, including takeoff and landing. Keep the device secured under the seat or in an approved location.
Q: How many G2 batteries can I bring on a plane? A: All Inogen G2 batteries are under 100 watt-hours, so you can bring as many as you need (within reason). Most airlines accept 4-6 batteries without question. For more than 6, contact the airline in advance.
Q: Do I need to turn off my G2 during flight? A: No. Portable oxygen concentrators like the Inogen G2 are approved to remain on throughout the entire flight. Unlike laptops or phones, you do not need to turn it off.
Q: Can I charge my G2 batteries at the airport? A: Yes, if you can find an available outlet. Arrive early to allow charging time. Some airports have dedicated charging stations in gate areas. Bring your AC adapter and locate outlets near your gate.
Q: What if my G2 battery dies during the flight? A: This is why the 150% battery rule is critical. Always bring more batteries than you think you'll need. If all batteries die, notify flight attendants immediately - they can provide emergency oxygen from the aircraft supply.
Q: Does the G2 count as a carry-on bag? A: No. Under the Air Carrier Access Act, medical devices do not count toward your carry-on baggage allowance. You can bring your G2 plus your regular carry-on and personal item.
Q: Can I use the G2 in other countries? A: Yes, but check the destination country's regulations. The AC adapter supports 100-240V (works internationally), but you'll need country-specific plug adapters. Some countries require advance notification or customs declaration.
Q: What happens if TSA wants to inspect my G2? A: Stay calm and cooperative. Inform the officer it's an FAA-approved medical device. They may ask you to power it on, inspect it visually, or swab it for explosive residue. This is normal procedure.
Verification Before Travel
This guide was last verified: January 2025
Before your trip, always: ✅ Check current FAA POC approval list at faa.gov ✅ Verify your specific airline's medical device policy ✅ Confirm battery watt-hour limits haven't changed ✅ Contact airline disability services 48-72 hours before flight ✅ Consult your physician about any changes to your oxygen needs
Airline and FAA policies can change. While we update this guide regularly, always verify current requirements before travel. MedFly Safe is not responsible for policy changes made after publication.
Important Medical Disclaimer
This guide provides travel information only. Always:
- Consult your physician before travel
- Follow your doctor's specific medical advice and prescribed oxygen settings
- Verify the Inogen G2 is appropriate for your condition and travel plans
- Carry proper medical documentation and emergency contacts
This content does not constitute medical advice. Your healthcare provider should evaluate your fitness for air travel and oxygen therapy requirements.
Conclusion: Travel Confidently with Your Inogen G2
Flying with your Inogen One G2 portable oxygen concentrator is manageable with proper preparation. By understanding TSA procedures, airline requirements, battery planning, and in-flight management, you can travel confidently to destinations worldwide.
Key Takeaways:
- ✅ The G2 is FAA-approved for all phases of flight
- ✅ Notify airlines 48-72 hours in advance
- ✅ Bring 150% more battery capacity than your flight duration
- ✅ Keep all batteries in carry-on baggage with protected terminals
- ✅ Carry prescription and documentation for TSA and airline verification
- ✅ Request preboarding to set up comfortably
- ✅ Plan for international power adapters and country-specific regulations
Next Steps:
- Download our Inogen G2 Travel Checklist (printable PDF)
- Read about airline-specific POC policies for your carrier
- Learn about lithium battery regulations in detail
- Explore international travel guides for your destination
Safe travels, and breathe easy knowing you're prepared for your journey with the Inogen One G2!



