CPAP Therapy Tips

Battery Backup/Power Sources for ResMed CPAP Machines

ResMed offers a variety of CPAP machines to CPAP wearers who need reliable and consistent service while they sleep for their sleep apnea needs. Various CPAP machines have different features, including different battery backup and power sources.

This guide will help you understand your power options for your CPAP machine, so you can make informed buying decisions and choose the one that offers you the greatest degree of versatility and flexibility to fit your lifestyle.

Make sure you understand the fine print when it comes to CPAP machines and battery backup options. It’s essential that you know how important it is to use appropriate power sources, batteries, and cords, not only for practical purposes but also to maintain the warranty on your CPAP machine.

Connecting the AirStart 10, AirSense 10, AirCurve 10 Machines to Battery Power

This is the information you need to know about battery power for ResMed CPAP machines, including DC power and battery options. ResMed manufactures the AirMini, AirStart 10 series of machines, AirSense 10 series of machines, and the AirCurve 10 BiPAP machine. These machines share common DC power options. Here are the power options for these CPAP machines:

Medistrom Pilot-24 Lite

Medistrom Pilot-24 Lite. The Medistrom Pilot-24 Lite can be used to power the AirMini, AirStart 10, AirSense 10 and the AirCurve 10 BiPAP machine without needing to use an inverter or other equipment, as the Medistrom uses the same power supply as the AirSense 10, AirSense 10, AirCurve 10, or the AirMini. For this reason, many people are picking up the Pilot-24 Lite. recently started carrying the Pilot-24 Lite, and it’s been received very well by our customer base.

Many people like the fact that this battery does not require using an inverter or special power adapter to connect their chosen machine to the battery. This allows for longer runtimes and means you’ll get more power out of a single charge, than you would if you needed to use an inverter. Inverters draw power from the battery in order to do its job, and when connecting a machine to a battery using an inverter, it causes a faster drain on the battery because you’re powering two devices instead of one.

ResMed DC Converter for the AirStart / AirSense / AirCurve CPAP Machines

Ideally suited for people who need to plug in but do not always have access to AC power, the ResMed DC Converter for AirStart, AirSense, and AirCurve machines delivers. Using any other DC converter on your Air10 can damage your unit. The DC converter plugs into a cigarette lighter socket on a car or a boat and allows you to draw DC power from the car battery without damaging your machine. For those who will be taking a long car ride or sailing long distances in a boat, this tool can be a lifesaver.

ResMed Power Station II Battery Kit

The ResMed Power Station II Battery Kit charges quickly, up to 95 percent capacity in four hours or less, and features a double battery option. You must purchase the Battery Coupler Kit, however, in order to use the double battery option. For the AirStart, AirSense, and AirCurve machines, the ResMed Power Station II is ResMed’s preferred way to power these devices while off-the-grid.

It’s important to know that if you use humidification while running these machines, it can mean lower runtimes, as humidification draws a lot of power while connected to the battery. For this reason, it’s recommended to only use the CPAP machine itself while connected to a battery.

Freedom Travel Battery

The Freedom Travel Battery Pack can act as a power source in its own right or as a failsafe or battery backup in case your power goes out. You can purchase an additional battery to go with your kit for added convenience and peace of mind so there’s always a backup on hand.

By providing you with digital display of your battery charge, you’ll have peace of mind when you have the Freedom Travel Battery Pack along with you. To use the Airstart, AirSense, or AirCurve machines with the Freedom, you’ll need to purchase and use the 24V Power Converter which will connect the battery to the machine for proper use.

Connecting to the AirMini

The AirMini is a newer device and has slightly different power requirements. We’ll run down your options for the AirMini below:

ResMed DC Converter for the AirMini

Like the DC power cord we mentioned for the AirStart / AirSense / AirCurve machines, the ResMed DC Converter for the AirMini is a 65 Watt DC cord that connects to the cigarette lighter plug on a car or boat and allows you to safely draw DC power from a car battery. The DC power cord for the AirStart / AirSense / AirCurve machines is not the same as this, so be careful, and realize the two aren’t interchangeable.

Medistrom Pilot-24 Lite

The Medistrom Pilot-24 Lite battery mentioned earlier has special attachments specifically for the AirMini, and doesn’t require the use of an inverter. For this reason, the Pilot-24 Lite is quickly becoming the best way to power the AirMini while on the go.


Once you choose your ResMed CPAP machine, the next step is selecting the right power supplies for backup and on-the-go travel. This list is where you’ll want to begin your search.

If you need help, reach out to our CPAP experts by calling 1-800-356-5221 or using our handy live chat feature. Or, you can “ask a question” about your ResMed battery backup power sources through our online form.

David Repasky has been using CPAP treatment since 2017 and has first-hand experience with what it’s like to live with Sleep Apnea. He brings the patient’s perspective to the blog and has received formal training in CPAP machines, masks, and equipment.


  1. Thomas Marcello Reply

    I’m eligible to upgrade my CPAP machine. I’m interested in getting the most lightweight portable machine possible that will be totally covered by my Medicare/TriCare for life health insurance.
    I currently have a ResMed S9 series Elite CPAP with a H5i heated humidifier
    Please advise
    Thomas Marcello

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