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ResMed Power Station II Battery Kit for Resmed Machines

Quick Overview

This Battery Kit features the ResMed Power Stations (RPS) II and comes with all the parts needed to run a ResMed S9 Series machine. The ResMed Power Station II is a long-life, lithium-ion battery. Suitable for home or travel. It can be used with all S9 Series CPAP or VPAP units including the use of the humidifier. Use the standard S9 power supply and cord to charge the battery.

For use with Resmed's S9 and Airsense 10 range of machines an additional PSU adapter and DC cable will be required.
Please be sure to add in the Resmed PSU and DC cable to suit your machine.

Availability: In stock

Regular Price: $549.00

Special Price: $495.00

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Regular Price: $549.00

Special Price: $495.00


Product Features

This bundle includes everything needed to power an S9 Series machine in case of a power outage or for travel or camping:

  1. ResMed Power Station II (RPS II) Battery
  2. Carry Bag
  3. PSU (Power Supply Adapter) 

RPS II Features:

  • Lithium-ion Battery
  • Charges to 95% in Under Four Hours
  • Informational Battery Charge Display
  • Meets IATA Transportation Regulations
  • Audible & Visual Re-charge Alerts
  • Optional Battery Coupler Joins Two Batteries to Extend Run Time
  • Travel Bag
  • Home, Travel, or Hospital Usage


Lithium-ion Battery


The RPS II is a long lasting, lithium-ion battery that meets transportation regulations as set by the International Air Transportation Association (IATA). Use the standard External Power 90 Watt Supply for ResMed S9 Series CPAP and BiPAP Machines that comes with the S9 machine to charge the battery. The battery charges quickly reaching 95% of the charge in less than four hours when starting at 0% charge. The battery can be charged from input voltages between 100V and 240V.

The RPS II's battery charge display indicates the charge level and offers both visual display and audio alert, which may be muted, to notify when the charge is low. Use the voltage output selector on the back panel of the RPS II to change from 24v to 26 v power. Note: All S9 CPAP and VPAP devices require 24v.


Double the Batteries - Double the Run Time


A unique feature of the RPS II is the Battery Coupler for ResMed Power Station (RSP) II which connects two ResMed Power Station II Batteries in series. The Battery Coupler automatically switches from one battery to the other when needed. The Battery Coupler Kit for ResMed Power Station (RSP) II includes both the Battery Coupler and a Velcro Strap for ResMed Power Station (RPS) II to secure the batteries to one another. Additional RPS II Batteries may be purchased separately.


Travel Bag


The RPS II Travel Bag offers several great features of its own. It is designed to be used with either one or two RPS II batteries. Use the access panel to connect the S9 Series DC Cable for ResMed Power Station (RPS) II or Power Supply Unit (PSU) Adapter for ResMed Power Station (RPS) II to the RPS II. The front, zippered pouch has ample room to store cables.


Compatible ResMed S9 Machines with this Battery Kit


  • S9 AutoSet™ CPAP Machine
  • S9 VPAP™ Auto BiLevel Machine
  • S9 VPAP™ S BiLevel Machine
  • S9 Escape™ CPAP Machine with EPR™
  • S9 AutoSet™ for Her CPAP Machine with H5i™ Heated Humidifier
  • S9 Elite™ CPAP Machine with EPR™
  • S9 Auto 25
  • S9 VPAP ST
  • S9 Escape Auto
  • S9 AutoSet CS
  • S9 VPAP Adapt


Battery Run Time


Battery run time varies greatly based on the machine used, the pressure setting and whether or not a humidifier or heated tube are used. A ResMed S9 CPAP machine set at a pressure of 10 cmwp without a heated humidifier has an estimated run time of 13 hours. Using a heated humidifier or heated tubing greatly reduce the run time of the battery. Please reference the ResMed Battery/Device Compatibility List for more information on Battery Run Time.

For use with Resmed's Airsense 10 range of machines an additional PSU adapter and DC cable will be required.



Additional Information

SKU 24921
Special Price $495.00

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