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  • Airsep External Battery Cartridge and Charging Dock Combo

 Product Description

The New External Power Cartridge and Charger Model BT026-1 is compatible with the Airsep Focus portable oxygen concentrator, the Freestyle portable oxygen concentrator, and the Freestyle 5 portable oxygen concentrator.  

Model BT026-1includes a combination of:

  • (1) external power cartridge 
  • Charging (dock) and power supply

**Note:  Although this kit only contains (1) power cartridge, the charging base is capable of charging two cartridges at the same time.  Additional Power Cartridges are available and sold separately.  Please call 1-800-958-0192 for details.

This NEW Airsep external power cartridge was introduced to help extend the battery life for all the Airsep portable oxygen concentrators and to offer you a lightweight alternative to the Airsep Battery Airbelt.  This new battery cartridge simply clips on your waist or pocket for easy wearability.  One cartridge fully charges in 5 hours or less and the cartridge has an easy to view display of remaining charge.

The charger docking base comes with its own AC power supply and contains an simple color coded light system to view charging progress.

  • Flashing Green Light -- Charging
  • Solid Green Light -- Fully Charged
  • Flashing Red Light -- Error
  • Solid Red Light -- No Battery Inserted


Battery Runtimes with each of the Airsep Portable Oxygen Concentrators:

Focus Portable Oxygen Concentrator:

Setting External Cartridge Runtime
2 3.5 Hours


Freestyle Portable Oxygen Concentrator:

Setting Runtime of Freestyle Internal Battery + One External Power Cartridge
1 10 Hours
2 6 Hours
3 5 Hours


Freestyle 5 Portable Oxygen Concentrator:

Setting Runtime of Freestyle 5 Internal Battery + One External Power Cartridge
1 7 Hours
2 4 Hours
3 3 Hours
4 2.5 Hours
5 2 Hours





  • Cartridge weighs 1.5lb

  • Dimensions 6.5"X3.25x1.25

  • Product Features:

    Can charge 2 batteries at the same time. 

    Contains an easy-to-read light system. 

    Easy-access battery gauge displays remaining charge

  • Built-in belt clip to easily wear on your waist

  • Warranty: 90 Day Warranty

  • Power:Docking Station: Input: 19VDC = 60W Output: 17.4VDC = 3APower Box: Input: 100 - 240V, 50-60Hz, 1.5AOutput: 19V = 3.16A, 60W Max


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 Product Reviews

  1. Easy To Carry

    Posted by William H Grant on 12th Jul 2016

    Comes with a clip to fit on your belt or the one provide. I usually just clip on the carrying case. Has its own charger. Charges fairly fast. A lot more easy to use than the air belt. Nowhere near as cumbersome.

  2. Nice extra battery!

    Posted by Doris U. on 17th Dec 2015

    This battery is really nice and lightweight but powerful. I think I get close to 4 hours between charges. I'm so glad I purchased it as I like having as much battery runtime as possible.


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