Flying with a CPAP Battery on Delta
Delta Air Lines travel guide for the EXP48PRO CPAP battery. Learn how the 154Wh EXP48PRO fits Delta’s published lithium battery rules and what to prepare before you fly.
Quick Answer
Yes — the EXP48PRO generally fits Delta’s published lithium battery limits because it is a 154Wh spare lithium battery, which is under the 160Wh maximum. Delta states that spare lithium-ion batteries must be carried in carry-on baggage and that no more than two spare batteries between 100Wh and 160Wh are allowed.
Carry-on only
Delta Policy Snapshot
This summary is provided to help EXP PRO customers prepare for travel. Always verify directly with Delta before your flight, especially if you plan to use your CPAP during the flight.
How the EXP48PRO Fits Delta’s Rules
154Wh Capacity
The EXP48PRO is rated at 154Wh, which is below the 160Wh maximum listed by Delta.
Under 160Wh
Delta permits lithium-ion batteries up to 160Wh per battery under its published battery guidance.
Carry-On Only
Spare lithium batteries should travel in carry-on baggage, not checked baggage.
UN 38.3 Tested
Bring your EXP48PRO UN 38.3 certificate and battery specification sheet for review.
Recommended Steps Before You Fly
- Pack the EXP48PRO in your carry-on bag. Do not place it in checked baggage.
- Protect the battery ports and keep your travel documents accessible.
- If you plan to use CPAP power during the flight, confirm Delta’s in-flight medical-device requirements before departure.
- Bring your Airline Reference Sheet, Battery Specification Sheet, and UN 38.3 certificate.
- Request written confirmation from Delta when possible, especially for longer flights or international itineraries.
Helpful Delta Notes
- Delta says spare lithium-ion batteries must be in carry-on baggage.
- Delta says no more than two spare batteries between 100Wh and 160Wh are allowed.
- Delta’s medical-device guidance says assistive-device users should bring battery life equal to 150% of actual flight time.
- If a carry-on bag is gate checked, remove the battery and keep it with you in the cabin.
- Airline policies can change, so verify directly with Delta before departure.
Documents to Bring
For best results, print your documents and also save digital copies to your phone.
EXP48PRO Airline Reference Sheet
A quick summary for airline personnel showing battery capacity, intended CPAP use, and travel category.
View document →UN 38.3 Certificate
Transportation safety testing documentation for lithium battery review.
View certificate →Delta Approval Email Template
Copy and paste this message to Delta Accessibility Assistance or the appropriate Delta support contact before travel.
Subject: Request for Approval to Carry 154Wh CPAP Battery in Carry-On Baggage
Hello,
I am traveling on [flight number/date] and use a CPAP machine for sleep therapy. I would like to request approval to carry one EXP48PRO CPAP battery in my carry-on baggage.
Battery details:
- Product: EXP48PRO CPAP Battery
- Capacity: 154Wh / 153.6Wh nominal
- Battery type: Rechargeable lithium iron phosphate battery
- Intended use: Portable power for CPAP equipment
- Certification: UN 38.3 tested
- Packing: Carry-on only
I understand that spare lithium batteries in this capacity range must be carried in the cabin and protected from damage or short circuit. I have attached the battery specification sheet and UN 38.3 documentation for review.
Please confirm whether this battery is approved for my itinerary.
Thank you,
[Name]
[Phone number]
[Booking reference, if available]
Official Delta References
Flying with your EXP48PRO?
Download the EXP48PRO airline travel documents before your trip and keep them with your CPAP equipment.