ResMed battery & converters

Browse our CPAP battery and power converters to help you stay on therapy almost anywhere.


ResMed Power Station II V2 (RPSII-V2)

The ResMed Power Station II V2 (RPSII-V2) is an all-in-one external battery that enables the operation of compatible ResMed devices* where mains power is not available. It also provides backup power in case of an unexpected mains power failure. The RPSII-V2 is intended for single-patient re-use in the home environment and multi-patient re-use in the hospital environment.

RPSII-V2 replaces the V1 model, as this is no longer available. For information on ResMed device compatibility and battery run time, please see the Battery/Device Compatibility List.

RPSII-V2 is suitable for:


  • Hospital
  • Home
  • Adult patients
  • Paediatric patients

*Compatible devices include ResMed AirSense™ 10, AirCurve™ 10, Lumis™ and Stellar™ series of devices. Information is correct as of 1 March 2024.

Key features

  • Designed to provide convenient power without the need for a separate converter.
  • Ideal for travel, where power is unreliable, or when additional mobility is required.
  • Charges from 0% to 95% in less than four hours.
  • Key alerts and indicators.
  • Delivers convenient power backup during power outages and when mains power is not available.
  • Can be mounted on the back of a wheelchair for use with Stellar™ devices.
  • The battery kit includes: RPSII-V2 battery, Air10™ Power Supply Unit (PSU) adapter, and carry bag.
  • Option to carry two batteries for double battery life.

The freedom to move.

Air10 DC/DC converter

  • Works for AirSense™ 10 or AirCurve™ 10 devices
  • 24V/90W output can be used from 12V or 24V DC power source, like a car or boat battery

Registered under Act 737

Medical device registration number: GB99104149917

Advertisement approval number: MDAMD 0188/2022


Documents center

Battery, power supply user guide

Battery, power supply fact sheet

Power Station II user guide


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