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Black rectangular ventilator battery with label showing part numbers

Beisite

Beisite REF R270-7652 4INR19/66-3 95Wh 14.4V ventilator battery

SKU CH-2KWE-4ENBZ

Replacement 95 Wh 14.4 V lithium-ion battery for ResMed Astral 100 and 150 ventilators

  • Battery type95 Wh
  • Battery voltage rating14.4 V
  • Product colorBlack
  • Product typeBattery
  • Compatible withFor ResMed Astral 100 150 Ventilator Ultralife Battery
  • 95Wh capacity powers ResMed Astral ventilators longer
  • 4V lithium-ion chemistry matches original specifications
  • Replaces REF R270-7652 and 4INR19/66-3 part numbers
  • Compatible with Astral 100 and 150 R270 models
  • New condition ensures reliable medical-grade performance

Replacement Battery for ResMed Astral Ventilators

This 95Wh 14.4V lithium-ion unit replaces part numbers REF R270-7652, 4INR19/66-3, REF R270-366/1 and REF R270-7417. It is built for the ResMed Astral 100 and 150 series ventilators that rely on the Ultralife form factor. Clinical teams and home-care providers use it as a direct swap when the original pack reaches end of life.

Sustained Runtime on Ventilator Load

The 95Wh capacity feeds the Astral 100 or 150 continuously through extended therapy sessions without the voltage sag seen in lower-rated packs. Internal cell balancing maintains stable output across the full discharge curve so the ventilator receives consistent power until the battery management system signals depletion. This behaviour supports overnight or transport use where a short-burst rating would be misleading.

Thermal and Power Characteristics

Lithium-ion chemistry keeps heat generation low during normal discharge at 14.4V, so the pack stays within safe temperature limits inside the ventilator’s battery bay. No active cooling is required and acoustic noise is absent because there are no moving parts. The black housing matches the original Ultralife aesthetic while meeting the electrical demands of the Astral 100 and 150 platforms.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $239.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameREF R270-7652
Model nameREF R270-7652
Part number4INR19/66-3
Product colorBlack
Product typeBattery
Power
Battery type95 Wh
Battery voltage rating14.4 V
Compatibility
Compatible withFor ResMed Astral 100 150 Ventilator Ultralife Battery

Questions about this item

How much heat does the 14.4V 95Wh pack generate during continuous ventilator use?

The lithium-ion chemistry runs cool under normal load; the ventilator's own thermal management handles any warmth produced during 24-hour operation.

Must the ResMed Astral 100 or 150 already be in my possession for this 4INR19/66-3 battery to function?

Yes — this pack is a direct replacement for the original Ultralife cell and only works inside a compatible Astral 100, 150 or R270 ventilator.

Will the REF R270-7652 fit alongside the older REF R270-366/1 battery already installed in my device?

The two part numbers are interchangeable alternatives, not simultaneous modules; swap the old pack for this 95Wh unit rather than running both together.

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