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Questions? Call us 1-800-356-5221 1-800-356-5221 - DC Converter 24V 90W For S9 Machines

    Top Reviews

    "Provides power for my cpap from a deep cycle battery and lasts longer than using an inverter to go to my regular power supply."

    May 1, 2012

    "Excellent product. Worked very well. Used less battery power than I expected. Will be great in power outages and when I am dry camping."

    September 22, 2012

    Product Overview

    The DC Converter 24V 90W For S9™ Machines enables S9 Series CPAP Machines to be powered using a 12V or 24V power source such as those found in a car, boat, RV, or other battery. This converter also allows for use of the H5i humidifier and ClimateLine heated tubing with the S9 CPAP machines while on 12V or 24V DC power.

    Manufactured by ResMed.

    Product Features

    This DC Converter works with the following machines:

    This Converter allows you to use the H5i Humidifier and the ClimateLine tubing attached to your machine while on 12V or 24V DC power.

    Power Switch Note: The DC Converter has an ON / OFF switch built into the end of the DC cigarette lighter adapter. Toggle the switch to the Zero (or Open Circle) for Off and One (or Straight Line) for On.

    Manufacturer User Guide

    Return On Warranty Issues Only


    This Product Includes...

    • Converter
    • 12v DC Adapter Cable with Alligator Clips
    • Instruction Sheet

    Product Specifications

    • DC Converter Brick with Attached Cords 1 lb 10.72 oz
    • DC Converter with Alligator Clips 2 lb .2 oz
    • Product with Packaging 2 lb 5 oz
    • Brick Dimensions (Approximate) 6.5 In x 2.5 In x 1.5 In
    • Total Length of DC Cord (Connector to Connector Including Brick) 7 Ft 9 In
    • Length of Alligator Clips & Cord Including Ends 2 Ft
    • Battery Voltage: 12 V or 24V
    • Fuse Rating 20A always offers these services:

    • 8 am to 8 pm CST Toll Free Phone and Email Support
    • 24 hour access to our Support Forum
    • Learning Center for information on sleep apnea and cpap equipment
    • Consumer Purchasing Trends Reports
    • Warranty Services for all items purchased through
    • Insurance Compliant Invoices
    • Free Prescription Request System

    Manufacturer Note

    • Some product images supplied by ResMed © ResMed 2010 Used with Permission.
    • ResMed products are for sale only to patients within the U.S. and not to other third parties or businesses.
    • All services provided by, including advertisement, ordering, sale, delivery, instruction, and setup of the products are performed solely by and independently of the manufacturer.

    Important Tips

    Vehicle Safety Tips

    These vehicle safety tips are written according to statements from the manufacturer.

    • When the device is not in use, the DC Converter should not be plugged into the vehicle.
    • If the converter cuts power to the device when the car starts, disconnect the converter from the vehicle. Then, reconnect the converter after a few seconds pass.
    • Using the machine and humidifier together, may drain the battery more quickly.
    • The 12 volt is intended to be used with common systems that are "positive hot" and "negative ground" only. If these details are unknown, speak with the manufacturer of the vehicle.

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