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White rectangular lithium-ion battery with silver label for portable oxygen concentrator

Beisite

Beisite BT034-1 Battery 14.4V 4314mAh 49.2Wh for Caire FreeStyle ComFort

SKU CH-JN6X-7J43H

Lithium-ion 14.4 V 4314 mAh 49.2 Wh battery powers the Caire FreeStyle ComFort portable concentrator

  • ColorSilver
  • TypeBattery
  • Compatibilityfor Caire FreeStyle Trade Comfort Portable Concentrator
  • Battery TypeLithium-Ion
  • Lithium-ion chemistry delivers reliable portable power
  • 4V output matches the concentrator's power requirement
  • 4314mAh capacity supports extended use between charges
  • 2Wh energy rating meets airline transport limits
  • Replaces BT034-1 and 4INR19/66-2 part numbers

Replacement Battery for Caire FreeStyle ComFort

The Beisite BT034-1 is a lithium-ion replacement battery designed specifically for the Caire FreeStyle ComFort portable oxygen concentrator. It delivers a 14.4V output with a capacity of 4314mAh, providing 49.2Wh of energy for mobile use.

Suits owners needing a direct spare.

This battery suits users who own a Caire FreeStyle ComFort or Trade Comfort model and require a genuine replacement part matching part numbers BT034-1 or 4INR19/66-2. It is not for owners of different concentrator brands or models lacking these exact part-number references.

14.4V 4314mAh lithium-ion cell determines runtime

The single specification that decides compatibility is the 14.4V 4314mAh lithium-ion rating, which must match the original battery label on your device. Verify this voltage and capacity before purchase to ensure correct operation.

Highlights

  • Lithium-ion chemistry delivers reliable portable power
  • 4V output matches the concentrator's power requirement
  • 4314mAh capacity supports extended use between charges
  • 2Wh energy rating meets airline transport limits
  • Replaces BT034-1 and 4INR19/66-2 part numbers

Specifications

BrandBT034-1
ModelBT034-1
Part Number4INR1966-2
ColorSilver
TypeBattery
Compatibilityfor Caire FreeStyle Trade Comfort Portable Concentrator
Battery TypeLithium-Ion

Questions about this item

Which Caire FreeStyle ComFort concentrator models accept the BT034-1 battery?

The BT034-1 battery is compatible with the Caire FreeStyle Trade Comfort and Caire FreeStyle ComFort outdoor portable concentrator models.

Can I use the original charger that came with my Caire FreeStyle ComFort to charge this BT034-1 battery?

Yes, the BT034-1 is a direct replacement for part numbers BT034-1 and 4INR19/66-2, so it charges with the concentrator's original power supply.

How do I confirm the BT034-1 battery is working correctly after installing it in my concentrator?

After installation, power on the concentrator and verify the battery indicator shows a charge level; the device should run on battery power without being plugged into mains electricity.

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