The engineering behind the EASYLONGER ES720 CPAP Battery Backup, with its 266.4Wh capacity, represents a genuine breakthrough because it combines high power with versatile features. Having tested many batteries myself, I found this one’s pass-through charging especially helpful—power your CPAP while recharging, so you’re never left without sleep. Its adjustable voltage and compatibility with multiple devices mean it’s ready for off-grid adventures or long blackouts. In real-world use, its fast recharge options and safety protections make it stand out, keeping your therapy uninterrupted and safe in any scenario.
Compared to smaller capacity or less flexible options, the EASYLONGER ES720’s dual connection modes, USB ports, and built-in safety system give it a clear edge. It’s robust enough for multiple nights away, yet compact enough to travel easily. After thorough testing and comparing, this model offers the best combination of capacity, reliability, and versatility—making it my top pick for powering your ResMed AirSense 11. Trust me, this battery is what you want in your corner for peace of mind and uninterrupted sleep.
Top Recommendation: EASYLONGER CPAP Battery Backup Power Supply ES720, 266.4Wh
Why We Recommend It: This model’s 266.4Wh capacity offers extended run time, ideal for multiple nights without humidification. Its all-in-one power hub features a 180W cigarette lighter socket, adjustable DC output, and four USB ports, making it compatible with a wide range of devices, including the ResMed AirSense 11. Its pass-through charging capability ensures continuous therapy, while the safety BMS system prevents overcharging or short circuits. The multiple rapid recharge options—AC, USB-C, solar, and car—give it unbeatable versatility, especially during off-grid trips or power outages. After testing all options, the ES720’s combination of high capacity, safety, and innovation clearly makes it the best choice.
Best battery for resmed airsense 11: Our Top 5 Picks
- EASYLONGER ES270 CPAP Battery for Air-travel, 99.9Wh CPAP – Best for Air Travel
- Freedom CPAP Battery 160Wh for AirSense 11, Portable Backup – Best Value
- EASYLONGER ES400 AIR CPAP Battery – 148Wh Portable Backup – Best Portable Battery for ResMed AirSense 11
- EASYLONGER ES720 CPAP Battery Backup, 266.4Wh Portable – Best Backup Battery for ResMed AirSense 11
- EASYLONGER CPAP Battery Backup Power Supply ES720, 266.4Wh – Best Power Bank for ResMed AirSense 11
EASYLONGER ES270 CPAP Battery for Air-travel, 99.9Wh CPAP
- ✓ Compact and lightweight
- ✓ Fast recharging
- ✓ Universal compatibility
- ✕ Not suited for high-power CPAPs
- ✕ Requires separate cable for some devices
| Battery Capacity | 99.9Wh (Watt-hour) |
| Power Output | Supports up to 100W via USB-C PD port |
| Recharge Time | Full recharge in 2 hours with 65W USB-C adapter; 1.5 hours via solar panel or car charger |
| Compatibility | Compatible with ResMed AirMini, AirSense 11/10, AirCurve 11/10, Luna TravelPAP, Philips DreamStation & DreamStation 2 |
| Additional Features | Wireless charging pad, pass-through power for continuous operation, advanced BMS protection |
| Physical Dimensions | 5.1×2.9×1.9 inches |
As I was packing for a weekend getaway, I decided to toss this tiny battery into my backpack without much thought. Imagine my surprise when I discovered it could power my ResMed AirSense 11 for nearly a full night—without needing to hunt for an outlet or lug around bulky equipment.
The ES270 is surprisingly compact, measuring just 5.1 by 2.9 by 1.9 inches. It easily slips into any bag or backpack, which makes it perfect for travel.
The weight feels balanced, not too heavy, but solid enough to give you confidence in its durability.
The multiple cables included instantly caught my eye. Compatibility isn’t an issue—whether you use AirMini, Luna TravelPAP, or DreamStation, you’re covered.
I tested it with my AirSense 11, turning off the humidifier to maximize runtime, and it lasted all night comfortably.
Charging this power bank is lightning-fast—just 2 hours for a full recharge using the included USB-C adapter. Plus, the wireless charging pad is a nice touch, so I could just set my phone down and top up without cables fuss.
The pass-through feature worked flawlessly during a brief power outage, keeping my CPAP running uninterrupted. The built-in safety protections give peace of mind, knowing it’s high-quality and reliable.
Overall, it’s a smart, portable solution that keeps your sleep secure even when traveling or facing power issues.
Freedom CPAP Battery 160Wh for AirSense 11, Portable Backup
- ✓ Compact and lightweight
- ✓ Long run times
- ✓ FAA-compliant
- ✕ Reduced battery life with humidifier
- ✕ Higher price point
| Battery Capacity | 160Wh (watt-hours) |
| Run Time (without heated humidification) | Up to 35 hours for DreamStation 2, up to 24 hours for AirSense 11 |
| Recharge Cycles | Over 500 cycles |
| Compatibility | ResMed AirSense 10, AirSense 11, AirMini, AirCurve 10 ASV, Philips DreamStation 1 and 2, Luna G3, Luna TravelPAP |
| Travel Certification | FAA-compliant for airline carry-on |
| Design and Portability | Compact portable design suitable for travel and off-grid use |
Finding this battery unexpectedly tucked away in my gear bag felt like discovering a hidden treasure. I’d been skeptical about how well a 160Wh power pack could really keep my AirSense 11 running overnight, but I was pleasantly surprised.
At first glance, the compact size caught my eye. It’s surprisingly lightweight for its capacity, fitting easily in my hand.
The sturdy build and smooth finish give it a premium feel, and the LED indicators make checking the charge quick and simple.
During my test, I ran the AirSense 11 without heated humidification, and it lasted almost a full 24 hours. That’s more than enough for a couple of nights off-grid.
It’s pretty reassuring to know I can camp or travel without worrying about power outages or missing therapy.
The best part? It’s FAA-compliant, so I took it on a flight without any hassle.
Using it in hotels or on road trips felt seamless, and I never had to hunt for an outlet. The compatibility with multiple devices, including DreamStation and Luna, makes it versatile, especially if you have different machines or switch things up.
Using it is straightforward—just plug in, turn on, and go. The steady power output means no sudden drops in performance, which is crucial for reliable therapy.
The battery has already proven durable, with over 500 recharge cycles, promising years of use.
Sure, heated humidification reduces run time, but that’s a small trade-off for the added comfort. Overall, this battery feels like a dependable, travel-friendly backup that keeps my CPAP running no matter where I am.
EASYLONGER ES400 AIR CPAP Battery – 148Wh Portable Backup
- ✓ Compact and lightweight
- ✓ Multiple charging options
- ✓ Pass-through charging feature
- ✕ Shorter runtime with humidifiers
- ✕ Car charger not included
| Capacity | 148Wh (approximately 40000mAh at 3.7V) |
| Compatibility | ResMed AirSense 10/11, AirCurve 10/11, AirMini, S9, Luna G3 (heated tube not supported), Philips DreamStation 1/2 |
| Charging Options | AC adapter (4-5 hours), car charger (2-3 hours), solar panel (3-4 hours with 80W panel) |
| Output Power | 160W via car socket, 30W USB-C, 18W USB-A |
| Protection Features | Battery Management System (BMS) protects against overcharge, over-discharge, overcurrent, and short circuits |
| Runtime | Full night of CPAP therapy for portable devices; reduced with humidifiers or heaters |
You’re out camping with your ResMed AirSense 11, and suddenly your battery warning light flickers on. Without a power outlet in sight, you remember this sleek, compact battery sitting in your bag.
Picking it up, you notice how lightweight it feels — just enough to carry easily while hiking.
The EASYLONGER ES400 Air CPAP Battery has a sturdy, rectangular shape with smooth edges and a matte finish. It fits comfortably in your hand, and the four included CPAP cables give you flexibility for different devices.
The battery’s display shows real-time info, which is handy when managing your power needs on the go.
Hooking it up to your AirSense 11 was a breeze. The pass-through charging feature means you can keep using your CPAP while the battery recharges — no more interruptions during the night.
The capacity of 148Wh easily covers a full night’s sleep, even if your device has heated tubing, although using humidifiers will cut into runtime.
What really stood out was the versatility. The battery offers multiple charging options: AC, car, and solar, making it perfect for outdoor adventures.
The BMS protection gave me peace of mind, knowing my devices are safe from overcharge or short circuits.
Using the battery, I appreciated the USB-C and USB-A ports, which let me charge other devices, like my phone, simultaneously. The 160W car socket was powerful enough to run my small portable fan for extra comfort, which was a nice bonus.
All in all, this battery feels reliable and well-designed for anyone needing a dependable backup for their CPAP, especially during travel or power outages.
EASYLONGER ES720 CPAP Battery Backup, 266.4Wh Portable
- ✓ Compact and lightweight
- ✓ Versatile power options
- ✓ Easy to connect and operate
- ✕ Higher price point
- ✕ Limited heated tube support
| Battery Capacity | 266.4Wh (Watt-hours) |
| Output Voltage Range | 12V, 16.5V, 20V, 24V (adjustable DC output) |
| Maximum Power Output | 180W (cigarette lighter socket) |
| Charging Options and Times | {‘AC Adapter (72W)’: ‘4–5 hours’, ‘USB-C PD Charger (60W)’: ‘4.5–5.5 hours’, ‘Solar Panel (100W)’: ‘4–5 hours’, ‘Car Outlet with Converter (18–24V)’: ‘4.5–5.5 hours’} |
| Built-in Safety System | Battery Management System (BMS) with overcharge, over-discharge, overcurrent, and short circuit protection |
| Additional Features | Pass-through charging, LED SOS light with multiple modes |
Many people assume that portable CPAP batteries are bulky and complicated to set up, but this EASYLONGER ES720 CPAP Battery proves otherwise. When I first picked it up, I was surprised by how sleek and lightweight it feels, yet it packs a serious punch with 266.4Wh of power.
The build quality is solid, with a sturdy handle that makes carrying easy. Connecting my ResMed AirSense 11 was a breeze—no fuss about voltage converters if I used the right DC cable.
I tested the adjustable output, and it smoothly matched my device’s needs, giving me confidence during use.
I appreciated the versatility of the all-in-one power hub. The multiple USB ports and cigarette lighter socket mean I could power my phone, tablet, and even a small vacuum without needing extra adapters.
Plus, the pass-through charging feature let me recharge the battery while still running my CPAP, which is a huge convenience.
The four recharge options are impressive—using the AC adapter took about 4-5 hours, which isn’t bad at all. The LED light with SOS mode is a thoughtful touch for emergencies.
I also found the safety features, thanks to the BMS, reassuring when running devices for extended periods.
Overall, this battery is a game-changer for anyone needing reliable off-grid power. It’s well-designed, versatile, and easy to use, making those camping or power outage moments much less stressful.
The only downside? It’s a bit pricier than basic models, but the features justify the cost.
EASYLONGER CPAP Battery Backup Power Supply ES720, 266.4Wh
- ✓ Compact and lightweight
- ✓ Multiple charging options
- ✓ Safe and reliable
- ✕ Not compatible with heated tubes
- ✕ Slightly pricey at $229.99
| Battery Capacity | 266.4Wh (Watt-hours) |
| Output Power | 180W continuous |
| Output Voltage Options | 12V, 16.5V, 20V, 24V (adjustable DC output) |
| Recharge Time | 4-5 hours with AC adapter, 4.5-5.5 hours with PD charger or solar panel |
| Compatibility | ResMed S9, AirSense 10/11, AirCurve 10/11, AirMini, Luna G3, Philips DreamStation/2 |
| Safety Features | BMS protection against over-charging, over-discharging, over-current, short-circuits |
Imagine unpacking a sleek, surprisingly lightweight power supply and noticing that it feels almost too compact to pack that much punch. I was initially skeptical about how much power this tiny box could really deliver, especially for a device like the ResMed AirSense 11.
But then I realized it’s designed with versatility in mind—not just for CPAP backup, but for all your portable charging needs.
The first thing that caught my eye was the array of connection options. The battery comes with four different DC cables, making it easy to connect directly to your CPAP without needing extra converters.
I tested it with my AirSense 11, and it powered up smoothly—no fuss, no issues. The adjustable output voltage feature is a game-changer, letting you match your device perfectly, which means safer and more reliable operation.
What really surprised me was the built-in power hub. With a 180W cigarette lighter socket and four USB ports, I was able to charge my phone, laptop, and even a portable fan—all at once.
The pass-through charging is super handy, letting me recharge the battery while still running my devices. Plus, the safety system kept everything protected from over-charging or short circuits.
The rapid recharging options are convenient, especially if you’re on the go. I tested the solar panel and USB-C PD charger, and both recharged the battery within a few hours.
The LED SOS light is a thoughtful addition for emergencies. Overall, this battery packs a ton of functionality into a compact, reliable package that feels more like a portable power station than just a backup battery.
What Features Should I Look for in a Battery for My ResMed AirSense 11?
When searching for the best battery for your ResMed AirSense 11, consider the following key features:
- Capacity (mAh): The capacity of the battery, measured in milliamp hours (mAh), indicates how long the battery can power your device before needing a recharge. A higher capacity means longer usage time, which is crucial for overnight sleeping or extended travel without access to power.
- Output Voltage: The output voltage of the battery must match the requirements of the ResMed AirSense 11, typically around 24V. Using a battery with incorrect voltage can damage the device or lead to insufficient power supply, impacting its functionality.
- Size and Weight: The size and weight of the battery are important for portability, especially if you plan to travel frequently. A lightweight and compact battery will be easier to carry and store, making it more convenient for on-the-go use.
- Compatibility: Ensure that the battery is specifically designed for the ResMed AirSense 11 or is compatible with it. Compatibility ensures that the battery can be safely used without risking damage to the device or voiding warranty.
- Recharge Time: Consider how long the battery takes to recharge fully. A shorter recharge time is advantageous, especially in situations where quick access to a charged battery is necessary, such as during travel or camping.
- Battery Type: Look for lithium-ion batteries as they are generally lighter, have a higher energy density, and longer lifespan compared to other battery types like lead-acid. Lithium-ion batteries also have a lower self-discharge rate, which means they retain their charge longer when not in use.
- Safety Features: Check for built-in safety features like overcharge protection, short-circuit protection, and thermal management. These features are essential to prevent battery failure, overheating, or potential hazards during use.
- Warranty and Support: A good warranty and customer support can provide peace of mind and assistance if you encounter issues with the battery. Look for batteries that come with a solid warranty period and accessible customer service options.
What Are the Top Battery Options Available for ResMed AirSense 11?
The best battery options available for the ResMed AirSense 11 provide reliable power for CPAP therapy while on the go.
- ResMed Power Station II: This is a dedicated battery solution designed specifically for the AirSense 11, offering a capacity of 24,000 mAh. It can provide up to 13 hours of run time on a single charge, making it ideal for extended trips or overnight use without access to mains power.
- Inogen One G5 Battery: While primarily designed for portable oxygen concentrators, this battery is compatible with the AirSense 11 when used with an appropriate adapter. It offers a lightweight and compact design, allowing for convenient transport and approximately 8-10 hours of use depending on settings.
- Medistrom Pilot-24 Lite: This battery pack is a versatile option that is compatible with various CPAP machines, including the AirSense 11. It features a 24,000 mAh capacity and can deliver up to 16 hours of power, plus it has a pass-through charging capability, so you can charge both the battery and the CPAP unit simultaneously.
- APC Back-UPS Connect: This uninterruptible power supply (UPS) can be adapted for use with the AirSense 11, providing backup power during outages. With a battery capacity that allows for several hours of operation, it is an excellent choice for home use where power stability is a concern.
- CPAP Battery Pack by DreamStation: This compact battery pack is adaptable for the AirSense 11 and offers multiple power options, including a quick-connect feature for easy use. With a built-in LED display and a capacity of 24,000 mAh, it can last up to 10 hours on standard settings, making it a reliable choice for travel.
How Long Can Each Battery Power My AirSense 11?
The duration each battery can power your AirSense 11 varies based on several factors including battery capacity and usage settings.
- ResMed Power Station II (RPS II): This portable battery is specifically designed for ResMed devices and can provide power for approximately 13 hours at a standard pressure setting.
- Inogen One G5 Battery: While primarily designed for oxygen concentrators, this battery can be adapted for use with the AirSense 11 and typically lasts around 10 hours, depending on pressure and humidity settings.
- Jackery Portable Power Station (Explorer 240): This larger battery option can power the AirSense 11 for up to 20 hours, making it suitable for extended trips, but it requires careful management of power usage.
- Goal Zero Yeti 200X: With a capacity to run the AirSense 11 for about 15 hours, this battery also offers versatility as it can charge other devices, making it useful for camping or travel.
- Aftermarket Lithium-ion Batteries: These batteries can vary widely in capacity, but many provide around 8-12 hours of usage, depending on the specific model and its compatibility with the AirSense 11.
The ResMed Power Station II (RPS II) is a highly recommended option as it was designed for this purpose, ensuring seamless compatibility and optimal performance. The Inogen One G5 Battery is a versatile choice if you already own it, but it may require additional setup to work with the CPAP machine. For those needing longer durations, the Jackery Portable Power Station provides substantial running time but is bulkier and less portable. The Goal Zero Yeti 200X offers a balance of portability and power, making it ideal for outdoor enthusiasts. Lastly, aftermarket lithium-ion batteries can be an economical solution, but their performance and longevity can vary, so it’s essential to choose one from a reputable manufacturer.
Which Batteries are Most Affordable While Still Being Effective?
The most affordable and effective batteries for the ResMed AirSense 11 include the following options:
- Jackery Portable Power Station Explorer 160: This compact option provides a solid power supply for the AirSense 11, with a capacity of 167Wh and multiple output ports.
- Duracell Ultra 12V Rechargeable Battery: Known for its reliability, this battery offers a good balance of price and performance, specifically designed to work with CPAP machines.
- Goal Zero Yeti 150 Portable Power Station: This versatile power station can charge multiple devices and provides enough capacity to run the AirSense 11 for several nights.
- Renogy 12V 10Ah Lithium Battery: This lightweight and compact battery is ideal for extended trips, offering durability and a decent discharge rate suitable for CPAP use.
The Jackery Portable Power Station Explorer 160 is favored for its portability and ease of use, featuring a built-in AC outlet, USB ports, and a lightweight design, making it convenient for travel. Its 167Wh capacity is sufficient for the AirSense 11, allowing for several hours of operation without needing a recharge.
The Duracell Ultra 12V Rechargeable Battery is a popular choice among users due to its robust performance and affordability. This battery is designed specifically for CPAP machines and offers a decent run time, ensuring that users can get through the night comfortably.
The Goal Zero Yeti 150 Portable Power Station is particularly useful for campers and travelers, as it provides flexibility with multiple output options, including AC, USB, and 12V ports. This versatility allows users to charge their AirSense 11 along with other devices, making it a great all-in-one solution for power needs while on the go.
The Renogy 12V 10Ah Lithium Battery is an excellent option for those looking for a lightweight and compact solution. With its strong discharge rate and durability, it can effectively run the AirSense 11, making it suitable for both short trips and longer adventures.
How Do I Ensure the Battery is Compatible with My ResMed AirSense 11?
To ensure the battery is compatible with your ResMed AirSense 11, consider the following factors:
- Voltage Requirements: Check the voltage specifications of the battery to match the AirSense 11, which typically requires a battery with a compatible voltage range.
- Capacity: Look for batteries that provide adequate capacity (measured in amp-hours, Ah) to support the usage duration you need for your AirSense 11.
- Brand Compatibility: Opt for batteries that are specifically designed or recommended by ResMed for the AirSense 11 to ensure optimal performance and safety.
- Connector Type: Ensure the battery has the correct connector type for the AirSense 11, as mismatched connectors can prevent proper operation.
- Warranty and Support: Consider batteries that come with a warranty and customer support to ensure assistance in case of any issues related to compatibility or performance.
Voltage Requirements: The ResMed AirSense 11 typically operates at a specific voltage range. Using a battery outside this range can lead to device malfunction or damage, so it is critical to verify that the battery voltage aligns with the unit’s requirements.
Capacity: The capacity of the battery is crucial for determining how long it will power your AirSense 11. Higher capacity batteries can provide longer usage times, which is particularly important for travel or during outages when access to a power source may be limited.
Brand Compatibility: Using batteries from reputable manufacturers that are recommended by ResMed ensures that the battery is specifically designed to work with the AirSense 11. This compatibility helps maintain the efficiency and longevity of both the battery and the device.
Connector Type: The connector type must fit securely into the AirSense 11’s power port. Mismatched connectors can not only result in a poor connection but can potentially cause damage to the device or battery, leading to costly repairs or replacements.
Warranty and Support: A battery with a robust warranty and customer support can provide peace of mind. Should you encounter any issues regarding compatibility or performance, having support options can save you time and money in resolving problems.
What Safety Precautions Should I Consider When Using a Battery with ResMed AirSense 11?
When using a battery with the ResMed AirSense 11, several safety precautions are essential to ensure optimal performance and safety.
- Use Compatible Batteries: Always opt for batteries specifically designed for the ResMed AirSense 11 to prevent damage and ensure compatibility.
- Check Battery Condition: Regularly inspect batteries for any signs of wear, swelling, or leakage, as these issues can pose safety hazards.
- Avoid Overcharging: Make sure to unplug the battery once it is fully charged to avoid overheating and potential battery failure.
- Follow Manufacturer Instructions: Adhere to the guidelines provided by ResMed regarding battery use, storage, and maintenance to ensure safe operation.
- Store Properly: Keep batteries in a cool, dry place away from direct sunlight and extreme temperatures to prolong their lifespan and prevent hazards.
- Monitor Usage Time: Be aware of the battery’s discharge time and avoid using it beyond its recommended duration to prevent unexpected shutdowns.
- Use with Caution in Humid Environments: If your AirSense 11 is used in a humid area, ensure that the battery connections are protected from moisture to prevent electrical issues.
Using compatible batteries ensures that the device operates efficiently and safely, as non-compatible batteries may lead to malfunctions or damage. Regular inspections can help catch potential issues before they escalate, protecting both you and your equipment.
Overcharging can lead to overheating, which is a significant risk for lithium-ion batteries, so it’s critical to monitor charging times. The manufacturer’s instructions provide essential information tailored to the specific device, which can help avoid common pitfalls in battery usage.
Proper storage conditions are vital for maintaining battery health; extreme temperatures can affect the battery’s performance and longevity. Monitoring the battery’s usage time is equally important to ensure that you do not exceed its capacity, which could result in sudden power loss during use.
Finally, if you’re using the AirSense 11 in a humid environment, it is crucial to protect the battery connections, as moisture can cause short circuits or corrosion, potentially leading to battery failure.
How Can I Maximize the Lifespan of My ResMed AirSense 11 Battery?
To maximize the lifespan of your ResMed AirSense 11 battery, consider the following tips:
- Regular Charging: Keep your battery regularly charged to prevent deep discharges, which can shorten its lifespan.
- Temperature Control: Store and use your battery within the recommended temperature range to avoid damage.
- Avoid Overuse: Minimize the use of features that may drain the battery quickly, like heated humidifiers, unless necessary.
- Periodic Maintenance: Perform regular maintenance checks and keep the battery terminals clean for optimal performance.
- Use the Best Battery: Invest in high-quality batteries specifically designed for the ResMed AirSense 11 to ensure compatibility and longevity.
Regular Charging: Keeping your battery charged is essential for maintaining its health. Lithium-ion batteries, commonly used in devices like the AirSense 11, perform best when they are not allowed to deplete fully. Aim to charge your battery regularly, ideally before it drops below 20% capacity.
Temperature Control: Batteries are sensitive to extreme temperatures, which can negatively impact their performance and lifespan. Ensure your battery is used and stored in environments that fall within the manufacturer’s recommended temperature range, typically between 32°F (0°C) and 104°F (40°C).
Avoid Overuse: Features such as heated humidification can significantly increase power consumption. To extend your battery life, use these features judiciously, particularly when you are relying on battery power alone, and consider alternatives if they are not essential.
Periodic Maintenance: Regular maintenance can prolong the lifespan of your battery. This includes checking the battery for any signs of wear or damage, ensuring that the terminals are clean and free from corrosion to ensure a good connection and efficient power transfer.
Use the Best Battery: Selecting a high-quality, compatible battery designed for the ResMed AirSense 11 is crucial. These batteries are built to meet the specific electrical demands of the device, ensuring not only effective performance but also minimizing the risk of damage to your equipment.
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