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400 Watt DC to AC Power Inverter

BY Aims Power  |  Item #PWRINV400W
(9) Read Reviews
$49.99
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400 Watt DC to AC Power Inverter - Shown with Cords
400 Watt DC to AC Power Inverter - Shown with Cords
 400 Watt DC to AC Power Inverter - In Box
 400 Watt DC to AC Power Inverter - Without Cables
400 Watt DC to AC  Power Inverter - Outlet End
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Overview of CPAP DC Cables and Batteries
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400 Watt DC to AC Power Inverter

Compatible with several CPAP machines from popular brands like DeVilbiss, the 400 Watt DC to AC Power Inverter features a power inverter and battery pack.

Learn More About the 400 Watt DC to AC Power Inverter:

  • Wide Compatibility Across Multiple CPAP Machine Options
  • Designed to Prevent Overcharging and Short-Circuiting
  • Convenient Multi-Colored Display Shows Your Battery Charge Status
  • Help Kit Last Longer By Adhering to Temperature Storage and Battery Charging Suggestions

400 Watt DC to AC Power Inverter

Compatible with several CPAP machines from popular brands like DeVilbiss, the 400 Watt DC to AC Power Inverter features a power inverter and battery pack.

Learn More About the 400 Watt DC to AC Power Inverter:

  • Wide Compatibility Across Multiple CPAP Machine Options
  • Designed to Prevent Overcharging and Short-Circuiting
  • Convenient Multi-Colored Display Shows Your Battery Charge Status
  • Help Kit Last Longer By Adhering to Temperature Storage and Battery Charging Suggestions

The 400 Watt DC to AC Power Inverter is Right for You!

Product Highlight Included Parts Placeholder

What's included*

  • One 400 Watt DC to AC Power Inverter
  • One Respironics Battery Pack (No DC Cable)

* Does not include select added accessories

Learn More About This Product

Wide Compatibility Across Multiple CPAP Machine Options

The following CPAP machines are compatible with this kit:

  • DeVilbiss RPM AutoAdjust CPAP
  • DeVilbiss RPM Bilevel
  • DeVilbiss RPM CPAP Machine
  • Orion CPAP Machine
  • PureSom CPAP Machine
  • SleepStyle 233 CPAP Machine with Built In Heated Humidifier
  • SleepStyle 234 CPAP Machine with Built In Heated Humidifier
  • SleepStyle 238 CPAP Machine with Built In Heated Humidifier
  • SleepStyle 242 CPAP Machine with Built In Heated Humidifier
  • SleepStyle 244 CPAP Machine with Built In Heated Humidifier
  • SleepStyle 254 Auto CPAP Machine with Built In Heated Humidifier
  • SleepStyle 604 Thermosmart CPAP Machine with Built In Heated Humidifier
  • SleepStyle 608 Thermosmart CPAP Machine with Built In Heated Humidifier
  • Zzz-PAP 'Silent Traveler' CPAP Machine
  • Zzz-PAP Auto CPAP Machine
  • ComfortPAP Auto 804 CPAP Machine
  • SleepEasy CPAP Machine with Built In Heated Humidifier
  • SleepEasy II CPAP Machine with Built In Heated Humidifier and C-Flex

Designed to Prevent Overcharging and Short-Circuiting

The 12v charger is designed to charge a sealed, lead-acid battery while protecting the system from overcharging. The battery pack can be charged with an AC current between 100v and 240v, which provides protection against short-circuiting. Keep in mind that using these products with a heated humidifier will significantly reduce the battery run time.

Convenient Multi-Colored Display Shows Your Battery Charge Status

It takes approximately 10 hours to reach a full charge, and multi-colored status lights show you the status of your current battery charge

Help Kit Last Longer By Adhering to Temperature Storage and Battery Charging Suggestions

For optimal performance, charge the battery fully before using and keep the charge level above 20 percent. The optimal storage temperature for this product is around 77 degrees. 

What’s Included: 

  • One 400 Watt DC to AC Power Inverter
  • One Respironics Battery Pack (No DC Cable)

User Manual

Inverter Fan: The fan on this inverter is designed to always run. It does NOT cut on and off based on the internal temperature of the inverter.

Will my CPAP operate on DC / battery power?

All CPAPs will operate on DC power with the use of an Inverter to change the current from DC to AC before it reaches the machine. However, many will operate on DC power without the need for an inverter, just a power cord that plugs into the CPAP and ends in a cigarette lighter plug.

Inverters do require a lot of power. If you need to use an inverter to run your machine on battery power, the inverter will probably take about half the life off the battery.

To determine if your CPAP will operate without an inverter, look for a DC outlet on the machine, either at the back or on the side, with a single opening directly in the center. It should be labeled "DC POWER" or similar term. You can also review our Compare Charts to see if your machine has a optional DC cable option.

Here is a video describing different DC cable and battery options for various machines:

 
Will my CPAP operate overseas?
An adapter may be required to plug a US power cord into a wall outlet in a foreign country. CPAP.com sells an assortment pack of World Traveler Power Adapter Plugs, which allow CPAP machines to plug into different types of wall sockets found in different countries.
All the models CPAP.com sell contain power converters that enable the machine to operate on any AC current from 100 to 240 volts without any adjustment.
How do I use a battery to operate my CPAP?

All machines can connect to DC power. Some machines are configured to operate on DC Power and have a DC power outlet. Other machines require AC power and will need an Inverter that turns DC power to AC power.


Having the proper equipment is the biggest key to successfully operating the machine from a battery. For example, if your machine does have a DC outlet and you want to run your machine from a marine battery, be sure to get the correct DC cable for the machine, as well as an adapter cable with alligator clips that fits over the cigarette lighter plug.


CPAP.com sells complete battery kits with everything you need for many machines including the correct cables for those machines and batteries. If you have questions about the specific power needs of your machine, review the 'Power' tab found on the machine's product page, or give us a call at 1-800-356-5221.

What type of battery should I use?
For longer battery use, we suggest using a deep-cycle marine battery to power the machine. A deep-cycle marine battery is heavier than the ordinary battery, but it has many advantages. The battery is easily found at auto shops and it provides power to the machine for an extended period of time. For example, a CPAP machine set at 10 cm H20 and charged on a deep-cycle marine battery will usually last three nights before it needs to be recharged.

There are small, portable battery packs that will operate a CPAP set at 10cm for at least one night, or about eight hours. CPAP.com sells full Battery Kits that come with everything needed to run your machine off battery power including the correct cables needed for your machine and a battery. You can find the battery kit for your machine Here. On each battery kit page, you can input your machine and pressure setting to see an estimate battery life for your machine.

Some machines have batteries created to be used specifically with them only. Here are some of the machines we carry with integrated or specialized battery options:

Transcend EZEX miniCPAP™ Machine
Z1 Travel CPAP Machine
Transcend Auto miniCPAP™ Machine with EZEX
Z1 Auto Travel CPAP Machine
How do I prepare for power outages with CPAP?
There are a lot of back up battery choices out there that can give you peace of mind in case of a power outage. The Transcend Travel CPAP Machine has Battery Options available that can set up as a fail-over, back up battery. Review the 'POWER' Tab on the machine page.

CPAP.com sells Battery Packs to accompany your machine if an integrated battery is not available. Visit CPAPtalk for more advice specific to your needs, or view this past thread on the topic here.

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"Super helpful, fast shipping, friendly assistance, great selection, I love this company."

- Verified Customer, 10/25/22

★★★★★

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Customer Reviews

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★★★★★
4.6 9 Reviews
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★★★★★

Inverter worked

Verified purchase | Apr. 26, 2021 | Verified CPAP.com Customer
The inverter worked as described. Would purchase it again.
Was this helpful?
(0)
(0)
★★★★★

400 watt dc inverter

Verified purchase | May. 13, 2018 | Verified CPAP.com Customer
worked very well. Ran my CPAP machine wonderfully. Well worth the price.
Was this helpful?
(0)
(0)
★★★★★

Power Inverter

Verified purchase | May. 01, 2013 | Verified CPAP.com Customer
Great. Just what I needed to recharge my cpap lithium ion battery.
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(0)
(0)
★★★★★

Inverter

Verified purchase | Nov. 10, 2011 | Verified CPAP.com Customer
Product feels high quality, power switch, and works well. It comes in a hard carrying case. I have read people complaining about fan noise, but the fan doesn't seem that loud to me. I also like that can use the CPAP battery to power other small devices in a power failure if needed and that this device allows you to charge your CPAP battery from the car.
Was this helpful?
(0)
(0)
★★★★★

Camping

Verified purchase | Jun. 18, 2011 | Verified CPAP.com Customer
Just came back from a two-day car camping trip in Big Sur. I charged the battery back to full power after the 1st night while driving around Big Sur using the Power Inverter. No problems with either the inverter nor the battery pack.
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(0)
(0)
★★★★★

Verified purchase | Jul. 14, 2010 | Verified CPAP.com Customer
Received product in a timely manner. This could be my fault, but I thought this product had some kind of bracket for mounting it to a panel. That was my only disappointment. Have not applied this to the project yet.
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