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    Batteries for Portable Oxygen Concentrators

    Batteries for Portable Oxygen Concentrators

    Replacement batteries are a perfect solution for oxygen users who need more battery life or just need to replace an old one. They provide an extra 2 to 5 hours of battery life depending on the unit and flow setting.

    Shop confidently with our A+ BBB Rating, Price Match Guarantee, and Simple Return Policy. We offer the lowest online prices on Portable Concentrator Batteries and have inventory that always ships the same day. Please call us at 877.774.9271 if you have any questions.

    Browse our Selection of Batteries

    CAIRE and Eclipse Batteries
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    1. Used O2 Concepts Oxlife Liberty2 Rechargeable Battery - 800-1072-Recertified
      Recertified Oxlife Liberty2 Rechargeable Battery
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        • AMSR Recertified
        • Up to 4 Hours of Battery Life
        • Fast Charging Time
      Your Price $200.00 List Price $379.00
    2. Used O2 Concepts Oxlife Independence Rechargeable Battery - 800-1002-Recert
      Recertified Oxlife Independence Battery
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        • AMSR Recertified
        • Up to 3 Hours of Battery Life
        • Fast Charging Time
      Your Price $225.00 List Price $399.00
    3. Used CAIRE SeQual Eclipse Battery Cartridge - 7082-Recertified
      Recertified CAIRE SeQual Eclipse Replacement Battery
      Rating:
      100%
      1  Review
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      • AMSR Recertified
      • Up to 5 Hour Battery
      • 30 Day Warranty
      Your Price $300.00 List Price $499.00
    4. Used CAIRE Freestyle Comfort 16 Cell Battery - BT035-1-Recertified
      Recertified CAIRE Freestyle Comfort 16 Cell Battery
      Rating:
      95%
      4  Reviews
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      • AMSR Recertified
      • 8 Hour Battery
      • Charges in 6 Hours
      Your Price $250.00 List Price $420.00
    5. Used CAIRE Freestyle Comfort 8 Cell Battery - BT034-1-Recertified
      Recertified CAIRE Freestyle Comfort 8 Cell Battery
      Rating:
      100%
      1  Review
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      • AMSR Recertified
      • 4 Hour Battery
      • Charges in 3.5 Hours
      Your Price $150.00 List Price $420.00
    6. Invacare Platinum Mobile Rechargeable Battery: POC1-110
      Invacare Platinum Mobile Rechargeable Battery
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      • 5 Hour Battery Life
      • 1 Year Warranty
      • Sku: POC1-110
      Your Price $395.00 List Price $479.00
    7. AirSep External Battery
      AirSep External Battery
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      • 6 Hour Battery Life
      • 90 Day Warranty
      • Sku: BT024-1
      Your Price $295.00 List Price $359.00
    8. AirSep Freestyle 3/5 Rechargable Battery (BT033-1)
      AirSep Freestyle External Battery
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      • 6.5 Hour Battery Life
      • 90 Day Warranty
      • Sku: BT033-1
      Your Price $250.00 List Price $309.00
    9. AirSep External Power Cartridge and Charger
      AirSep External Battery and Charger
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      • Charges 2 Batteries
      • 90 Day Warranty
      • Sku: BT026-1
      Your Price $450.00 List Price $529.00
    10. AirSep Focus Battery - Part No. BT023-1
      AirSep Focus Battery
      Rating:
      80%
      1  Review
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      • 1.5 hour battery
      • 1 Year warranty
      • Part No. BT023-1
      Your Price $195.00 List Price $249.00
    11. SeQual eQuinox 12 Cell Battery
      SeQual eQuinox 12 Cell Battery
      Rating:
      80%
      1  Review
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      • 2.5 Hour Battery
      • 90 Day Warranty
      • Sku: 4823-SEQ
      Your Price $350.00 List Price $395.00
    12. SeQual eQuinox 12 Cell Battery
      SeQual eQuinox 24 Cell Battery
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      • 6 Hour Battery
      • 90 Day Warranty
      • Sku: 4972-SEQ
      Your Price $450.00 List Price $519.00

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    Portable Concentrator Frequently Asked Questions
    How long will the batteries last with the Inogen G3?
    Inogen One G3 battery duration is up to 4.5 hours with a 8 cell battery and up to 9 hours with 16 cell battery. Durations listed below are averages, not exact measurements. Setting of 1: 4.5 hours with the 8-cell and 9 hours with the...
    Read More
    Are batteries for the portable concentrator rechargeable?
    Batteries for portable oxygen concentrators can be recharged with the AC power cord, or in the car with the DC power cord. They can be recharged within the concentrator, or if they are external batteries, they can be charged with their cord, or in an...
    Read More
    How long will the batteries last with the Inogen G5?
    Inogen One G5 battery duration is up to 6.5 hours with single battery and up to 13 hours with double battery. Durations listed below are averages, not exact measurements. Setting of 1: 6 hours 30 minutes with the single and 13 hours...
    Read More
    How long do the batteries last?
    Battery life varies between different brands and models of portable concentrators. Personal settings of oxygen delivery can greatly impact battery life as well. Our respiratory therapists will use your oxygen flow requirements when determining how many...
    Read More
    Are Inogen batteries interchangeable?
    Each Inogen model requires its own battery. For example, a battery from an Inogen G4 will not work with an Inogen G5 model. However, Inogen offers double batteries, so you can swap out the single battery for longer run times. Double batteries make an...
    Read More
    How long will the batteries last with the Inogen G4?
    Inogen One G4 battery duration is up to 2.6 hours with single battery and up to 5 hours with double battery. Durations listed below are averages, not exact measurements. Setting of 1: 2 hours 40 minutes with the small and 5 hours with...
    Read More
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