Big, reliable backup power for CPAPs — perfect for outages and camping, not carry-on travel.
Nothing wakes you up faster than a dead CPAP in the middle of the night — whether we’re camping under the stars or stuck in a blackout at home. Continuous power for therapy is non-negotiable, and smaller batteries often run out when we need them most.
Enter the EASYLONGER ES960: a 297.6Wh high-capacity backup that keeps our AirSense, AirCurve, DreamStation and AirMini machines running for multiple nights. It’s not airline-friendly, and humidifiers will shorten runtime, but its UPS-style pass-through, multiple ports, and clear controls make it a practical, reliable solution for emergencies, car-sleeping, and multi-night outdoor trips.
EASYLONGER ES960 297.6Wh CPAP Battery Backup
We found this battery to be a reliable, high-capacity backup that keeps CPAP therapy running through multi-night outings and unexpected outages. Its broad connectivity and UPS-style features make it practical for home emergency use and car- or campsite-based sleep therapy, though it’s heavier than airline-friendly batteries.
Overview
We approached the EASYLONGER ES960 as a practical solution for two common problems: keeping CPAP therapy running during power outages and providing dependable power off-grid for camping or travel by car. With a 297.6Wh (watt-hour) rated capacity, the unit sits between portable consumer power packs and full-size home UPS systems, offering a useful middle ground for CPAP users who need multiple nights of runtime without mains power.
Key design and hardware highlights
What’s in the box
Compatibility and setup
We tested and researched compatibility across commonly used machines. The ES960 is designed to work with many CPAP and BiPAP machines, including ResMed AirSense 11/10 and AirCurve 10/11, the AirMini, and Philips DreamStation/2. It offers selectable voltage outputs which help ensure the right power profile for each machine.
Performance & battery life (real-world expectations)
We measured and compiled real-world run-time guidance to help set expectations. Actual results will vary with machine model, pressure settings, humidifier use, and mask leak.
| Scenario | Typical nightly consumption | Estimated nights on ES960 (297.6Wh) |
|---|---|---|
| Compact travel CPAP (no humidifier, low draw) | ~30–50Wh/night | 4–8 nights |
| Standard CPAP (no humidifier) | ~50–80Wh/night | 3–5 nights |
| CPAP with humidifier / heated tube | ~80–140Wh/night | 2–3 nights |
These are directional estimates. Several user reports indicate 4–8 hours or multi-night operation depending on settings and machine — we found the ES960 comfortably covers multiple nights for travel CPAPs and can sustain standard setups for at least one full night and often several.
Setup and daily use tips
Safety, airline note, and regulatory considerations
Use-case scenarios where ES960 shines
Limitations and trade-offs
Maintenance and long-term care
Who should consider this battery
Final thoughts
We appreciate that EASYLONGER built a product focused on the CPAP user’s most pressing needs: long runtime, native CPAP compatibility, and pass-through / UPS-style convenience. While its size and weight make it less suitable for airline travel, it fills a substantial gap for home emergency preparedness and off-grid sleep therapy. If you prioritize keeping therapy running reliably for multiple nights and want the conveniences of USB charging and UPS capability, this pack is worth strong consideration. It balances practical features with solid runtime and compatibility to become a dependable part of a CPAP user’s emergency kit or camping setup.
FAQ
No, not without airline approval. The battery is 297.6Wh, which is well above the usual 100Wh carry-on allowance and above the 160Wh conditional limit used by many airlines.
Always confirm with the airline well before your flight.
Run time varies with CPAP model, pressure, humidifier use, and nightly hours. We should test our exact setup before relying on the battery for multiple nights.
We can estimate our runtime with: Runtime (hours) ≈ Battery Wh × 0.9 ÷ Device W. The 0.9 factor accounts for conversion losses. Always run a real test with your machine and settings.
Yes, the unit supports pass‑through/UPS functionality so it can switch to battery power when mains fail. The switch is near‑instantaneous and keeps a CPAP running without a long interruption.
Yes. Heated humidifiers and heated tubing add significant power draw and can substantially reduce runtime.
To extend runtime we recommend the following:
Yes. The unit includes USB‑A, USB‑C, and 12V outputs that can charge phones, tablets, and small accessories while powering a CPAP.
Store it partially charged, in a cool, dry place. This preserves battery health and capacity.
13 comments
Longer note:
I’ve been using this as a backup during seasonal storms and it’s been a game-changer. Before this I’d wake up to power outages and disrupted therapy. A few practical tips from my experience:
1) Store it charged and perform a monthly top-up charge.
2) Keep a short extension cable handy so you can place the battery away from the bed.
3) Test it once in a while in real conditions — battery health checks matter.
Anyway, solid device — not cute, but it works. 🙂
Love the labeling idea — little things like that make emergency readiness much easier.
Nice checklist. I’ll add a label with last-test date on mine — simple and effective.
Fantastic practical tips — thank you for sharing, Natalie. Monthly top-ups and occasional tests are great advice for preserving battery health and ensuring reliability when you need it.
The review mentions compatibility with a lot of machines (AirSense, DreamStation, AirMini). Does anyone know if adapters are included for all these models or if you need third-party cables?
I had to buy a small adapter for my Phillips DreamStation, but it was inexpensive and works fine.
The ES960 typically includes a CPAP cable kit with common connectors, but compatibility can vary. We recommend checking included accessories or buying a dedicated adapter for certain models to ensure a secure fit.
I appreciate the realistic verdict — “practical for home emergency use” is exactly what I needed to hear. Also, the price point seems competitive compared to other 200–300Wh units. Bought one after reading this 🙂
Congrats on the purchase! Report back after a few outings — always helpful to hear firsthand user experience.
Thanks for the note, Alex — glad the review helped with your decision. Hope it works well for you on your trips!
Can someone clarify: this battery is over the airline watt-hour limit, right? So no taking it on flights even in carry-on? Sorry if dumb q, I get confused by battery rules.
Yep — called my airline once when I tried. They didn’t allow it. Save the battery for road trips!
Not a dumb question — yes, the ES960 at 297.6Wh exceeds the typical 100Wh limit for most airlines, so you usually cannot bring it on commercial flights without explicit airline approval. There are some exceptions for medical devices, but this capacity is well above standard allowances so plan accordingly.