For those who rely on a CPAP machine, the call of the wild doesn’t have to mean sacrificing a good night’s sleep. Whether you’re camping under the stars, traveling in an RV, or preparing for a power outage, having a reliable portable power source is essential. The right battery can provide the freedom to use your CPAP anywhere, ensuring your therapy remains uninterrupted and you wake up feeling refreshed.
Selecting the ideal battery involves considering capacity, weight, output options, and whether you need airline-approved power. From massive power stations capable of running multiple devices to compact, travel-friendly power banks designed specifically for CPAP use, there is a solution for every adventure. This roundup highlights the best options to keep your CPAP machine running smoothly off the grid.
The Best CPAP Batteries for Outdoor Use
- Renogy 72000mAh 266Wh 12v Power Bank with 60W PD
- EnginStar Portable Power Station 300W 296Wh Battery Bank
- EASYLONGER ES270 CPAP Battery for Air-Travel, 99.9Wh CPAP Power Bank
- Portable Power Station 300W MARBERO 237Wh Camping Solar Generator
- Medistrom Pilot-24 Lite Bundled with Cables for ResMed S9, AirSense 10
- Portable Power Station 300W 257wh Lithium Battery Bailibatt Small Generator
- Jackery Portable Power Station Explorer 300, 293Wh Backup Lithium Battery
- CASIMY 25.2V K5 Adapter Compatible with KAYO MAXTAR MAXOAK K5
- ResMed Power Station II Portable Power Supply
Renogy 72000mAh 266Wh 12v Power Bank with 60W PD
For campers needing serious power, the Renogy power bank offers an enormous 72000mAh capacity. Its upgraded USB-C PD ports provide up to 60W for charging laptops and 27W for phones, making it a versatile hub for all your gear. The advanced battery management system ensures efficient and safe charging with a high conversion rate.
This unit is specifically equipped for CPAP use with a DC 12V/15A cigarette port that delivers 150W max. It is compatible with specific models from Philips and ResMed, though a separate CPAP adapter is required. It is important to note that its large capacity means it is prohibited on airplanes, making it best for car camping and RV trips. For the longest runtime, remember to turn off your CPAP’s heater and humidifier.
EnginStar Portable Power Station 300W 296Wh Battery Bank
Balancing power and portability, the EnginStar power station provides 296Wh of energy in a compact package weighing only 6.5 pounds. It features two 110V pure sine wave AC outlets, which are essential for running sensitive electronics like laptops quietly and safely. With eight total output ports, it can charge multiple devices simultaneously, making it a great centerpiece for any campsite.
This ETL-certified unit is built with a superior protection system that guards against short circuits, overcharging, and overload. The high-quality lithium-ion batteries support over 1000 charge cycles, ensuring long-term reliability. Its regulated DC outputs also make it suitable for other DC appliances, adding to its versatility for outdoor and emergency use.
EASYLONGER ES270 CPAP Battery for Air-Travel, 99.9Wh CPAP Power Bank
The EASYLONGER ES270 is a top choice for travelers, as its 99.9Wh capacity is TSA and FAA approved for carry-on air travel. This compact power bank can supply a ResMed AirMini CPAP for up to eight hours, provided the humidification and heating features are turned off. It also doubles as a 100W PD laptop power bank, adding to its utility on the go.
A significant advantage of this battery is that it comes bundled with four CPAP charge cables, ensuring compatibility with a wide range of ResMed and Philips machines. This all-in-one package provides an uninterrupted power supply without the need to purchase additional accessories, making it a convenient and ready-to-use solution for frequent flyers.
Portable Power Station 300W MARBERO 237Wh Camping Solar Generator
The MARBERO M823 is a lightweight and compact power station, weighing just 4.6 pounds for easy transport. With a 237Wh capacity and 300W output, it provides ample power for CPAP machines and other small devices. Its multiple outputs include AC, DC, USB-A, and a USB-C PD port, allowing you to charge up to seven devices at once.
This unit includes a practical LED camping lantern with multiple brightness levels and an SOS mode, adding a valuable safety feature for outdoor adventures. The pure sine wave AC outlets ensure a stable and clean power supply for sensitive electronics. Its cuboid design is space-efficient, making it simple to pack in a backpack for any trip.
Medistrom Pilot-24 Lite Bundled with Cables for ResMed S9, AirSense 10
The Medistrom Pilot-24 Lite is designed specifically as a reliable, uninterruptible backup power supply for 24V CPAP devices. Its primary benefit is ensuring continuous sleep therapy, even during power outages, so you are never awakened by a dead machine. The package includes the necessary cables for popular ResMed models, making setup straightforward.
Built with a durable aluminum case and genuine LG industrial-grade cells, this battery is made for long-term reliability and consistent performance. It recharges fully in just 2-3 hours, minimizing downtime. As a TSA-approved power source, it is suitable for both travel and home use, offering peace of mind wherever you are.
Portable Power Station 300W 257wh Lithium Battery Bailibatt Small Generator
Weighing only 4.6 pounds, the Bailibatt power station is a lightweight yet capable companion for camping and home backup. Its 257Wh Grade-A battery pack offers excellent thermal stability and safety, supporting over 1500 charge cycles. With a capacity to run up to eight devices simultaneously, it is a versatile power hub for various electronics.
This generator features dual 120V pure sine wave AC outlets and 12V DC outputs, delivering stable and clean power that is safe for sensitive devices like laptops and CPAP machines. Its compact design does not sacrifice power, making it an ideal solution for those who need reliable off-grid electricity without the bulk.
Jackery Portable Power Station Explorer 300, 293Wh Backup Lithium Battery
A leader in the portable power space, the Jackery Explorer 300 is known for its reliability and user-friendly design. It features a 293Wh lithium-ion battery pack and two pure sine wave AC outlets, providing a stable and safe 300W of power. Weighing 7.1 pounds, it strikes a good balance between capacity and portability for outdoor activities.
A standout feature is its fast recharge capability, reaching 80% battery in just 2 hours when using the wall outlet and the 60W PD USB-C port simultaneously. It can also be recharged via a car outlet or an optional solar panel. With six output ports, it can power a variety of devices, making it a comprehensive power solution.
CASIMY 25.2V K5 Adapter Compatible with KAYO MAXTAR MAXOAK K5
This product is a replacement AC adapter specifically designed for the MAXOAK K5 CPAP power bank. It features a wide input voltage range of AC 100-240V, making it suitable for use in different countries and regions. The output is DC 25.2V at 3A, ensuring efficient power conversion for the connected power bank.
If you own a MAXOAK K5 power bank and need a reliable replacement or spare charger, this adapter is a direct compatibility. It provides the necessary power to keep your 297Wh CPAP battery backup ready for travel, camping, or emergency situations, ensuring you are never without a way to charge your primary power source.
ResMed Power Station II Portable Power Supply
Designed by a leading CPAP manufacturer, the ResMed Power Station II is built specifically for compatibility with ResMed devices. This ensures optimized performance and seamless integration, providing peace of mind that your machine is receiving clean and stable power. It is a dedicated solution for those who prioritize manufacturer-approved accessories.
As a portable power supply from ResMed, it is engineered to provide reliable backup power for your CPAP therapy during travel, camping, or power outages. Its design focuses on the specific power requirements of CPAP machines, offering a straightforward and dependable way to maintain your sleep therapy wherever you go.
Buying Guide: How to Choose the Best Batteries for CPAP Use While Camping and Outdoors
Figuring out which battery will power your CPAP machine on a camping trip can feel overwhelming. I’ve been there, staring at a wall of specs and wondering what it all means for a good night’s sleep in the woods. The key is to break it down into a few critical factors that directly impact your experience.
First and foremost, you need to know your machine’s power appetite. Check the device’s label or user manual for its wattage or amperage rating. This is your starting point. A machine that draws more power will drain a battery faster. Next, calculate your nightly energy needs. If you use your CPAP for 8 hours without a heated humidifier, you’ll need a battery with a much lower capacity than if you run the humidifier all night, as the heater is a massive power hog. For most of us, turning off the heated hose and humidifier is the simplest way to extend battery life significantly.
The battery’s capacity is its gas tank, measured in Watt-hours (Wh). This is the most important number. As a rough guide, a 100Wh battery might power a modern CPAP without humidity for two or three nights, but that could drop to a single night or less with heated features. Always buy more capacity than you think you’ll need. You don’t want to be that person whose machine dies at 3 AM.
Battery chemistry matters too. You’ll primarily see Lithium Iron Phosphate (LiFePO4) and Lithium-ion. LiFePO4 batteries are fantastic for the best batteries for CPAP use while camping and outdoors because they are incredibly stable, have a long lifespan, and can be safely charged to 100% without degrading quickly. They are a bit heavier but are worth it for safety and durability. Lithium-ion is more common and lighter but can be more sensitive to extreme temperatures.
Finally, consider the practical features. How will you recharge it? Solar panel compatibility is a huge plus for multi-day trips. Look for a battery with the right output ports—most CPAP machines use a standard DC connector or an AC outlet if yours requires one. Also, check the weight and size; you still have to carry this thing in your pack. A good portable power station should feel like a reliable companion, not a burden, ensuring you can breathe easy wherever you lay your head.
FAQ
How many nights will a CPAP battery last?
This is the million-dollar question, and the answer is: it depends entirely on your settings. A modern, efficient CPAP machine running without a heated humidifier or heated tube can often last two or even three nights on a single charge from a medium-sized power station (around 150-200Wh). However, if you use heated features, that same battery might only get you through one night. The heater consumes a massive amount of power. I always recommend testing your specific setup at home before you head out to the wilderness.
Can I use any portable power station for my CPAP machine?
Not exactly. You need to be careful. First, ensure the power station provides a “pure sine wave” AC output if your CPAP requires a standard wall plug. A modified sine wave can damage sensitive medical electronics over time. For DC power (using a car adapter-style cord), you need to match the voltage and polarity exactly. Always check your CPAP manufacturer’s recommendations; some even have approved battery lists to guarantee compatibility and safety.
Is it safe to use a CPAP battery inside a tent?
Yes, but with common sense. Modern lithium iron phosphate (LiFePO4) batteries are very stable and are generally considered safe for indoor and enclosed use. However, you should always follow the manufacturer’s instructions. Ensure the battery has proper ventilation and is not exposed to direct sunlight, moisture, or extreme temperatures inside the tent. Never cover the battery with a blanket or clothing while in use, as this can cause it to overheat.
Can I recharge my CPAP battery with a solar panel?
Absolutely, and it’s a game-changer for longer trips! Many modern portable power stations have solar charging inputs. You’ll need a compatible solar panel that can provide enough wattage to effectively charge the unit. A 100W solar panel is a good starting point for a mid-sized power station. This setup lets you be completely self-sufficient, topping off your battery during the day so it’s ready to go for the night.
What’s the difference between a dedicated CPAP battery and a general power station?
A dedicated CPAP battery is usually smaller, lighter, and designed specifically to power one device for a set number of hours. They are simple and portable. A general portable power station is larger, has a higher capacity, and includes multiple outputs (AC outlets, USB ports, 12V car ports). This allows you to also charge your phone, run a camp light, or power other small devices. For most campers, a versatile power station offers the best value and flexibility.