Skip to content

Free U.S. shipping·Ships in 1 business day from U.S. stock

Questions? Email us
EASYLONGER
Tell us what we should fixWebsite, product or service. We'd rather hear the hard truth.Share your feedback
AccountRewardsTrack order

Questions? Email support@easylonger.com. We usually reply within 12 hours.

Cart

Sleep through the outage.

Portable batteries made for CPAP machines. Set the voltage, plug in the cable, and it's ready before the lights go out.

Shop batteries Find my battery
EASYLONGER ES960 on a nightstand powering a ResMed AirSense 11 while a man sleeps
25

CPAP models supported

8

batteries, from carry-on to three-night

4.62 ★

From 1321 customer reviews

Which one is right for you?

Compare all models

*Nights at 8.4W: an AirSense 10 at 6 cmH2O, humidifier and heated tube off, 8 hours a night. Higher pressure means fewer nights. Estimate yours

Tell us your CPAP. We'll match the battery.

Three questions. You'll see the battery, the cable and about how many nights to expect.

1Your CPAP brand
3Mainly for

Get the highlights.

A man asleep on CPAP with an ES400 AIR on the nightstand

Runs your CPAP through the night.

With the humidifier and heated tube off, most machines run for one to three nights.

ES960 and a folding solar panel beside a camper van in the mountains

Recharge from the sun.

Pair any battery except the ES270 with the ESP110 110W solar panel.

ES720 connected to a ResMed AirSense 11 by its DC cable

Plugs straight into your CPAP.

DC cables for the most common machines come in the box.

ES720 charging a laptop and a phone on a wooden deck

Charges the rest of your gear.

USB-C on every battery, and wireless charging on most.

1 of 4

The night the power goes out.

Here's what happens when your CPAP is plugged into an EASYLONGER battery.

An ES720 on a lamp-lit nightstand, connected to a CPAP
10:30 PM

Plugged in, like any other night.

The battery sits on the nightstand, connected to the wall and your CPAP. Pass-through charging keeps it full.

A man asleep while an ES960 runs his CPAP in a dark bedroom
11:40 PM

The power goes out. Your CPAP doesn't stop.

It keeps running on the battery. No getting up in the dark to switch anything.

Morning light over a sleeper with an ES960 beside the CPAP
6:30 AM

You wake up rested.

The larger batteries still have enough for another night or two. The display shows exactly how much is left.

An ES960 charging from a solar panel outside a tent
Next day

Recharge however you can.

From the wall when power returns, from the car, or from a solar panel if the outage runs long.

How many nights will you get?

Pick your machine. Toggle the humidifier. We'll show every battery side by side.

Estimates, not guarantees. Pressure, mask leak and room temperature change the number.

Open the full calculator

*Nights at 8.4W: an AirSense 10 at 6 cmH2O, humidifier and heated tube off, 8 hours a night. Higher pressure means fewer nights.

Wherever you sleep.

An ES960 in a dark room lit by a blue glow

At home

Backup for outages, storms and planned shutoffs.

Shop home backup

On the road

Carry-on friendly options for flights and hotel nights.

Shop travel batteries
 An ES720 and a solar panel on the grass beside a tent

Off the grid

Multi-night power for camping, RVs and cabins.

Shop off-grid

From people who use it every night.

See all owner stories
Review of the EASYLONGER CPAP Battery Backup ES960 297Wh

Reviewed by people who use CPAP

Independent review

NuttyHiker

ES720, carried on a backpacking trip

Read the review
Independent review

Todd's Seeds

ES400 AIR as a portable CPAP backup

Read the review

Why buy from EASYLONGER.

Five-year warranty

On batteries ordered here. Bought elsewhere? Register to extend to five.

Register a battery

30-day returns

Changed your mind? Send it back within 30 days.

Returns

Real people, fast replies

Email us. We usually reply within 12 hours.

Contact us

Pay with HSA or FSA

Use your HSA or FSA card at checkout, or pay through PayPal.

How it works

Earn Rewards points

Use your points toward your next order.

Join Rewards

Guides for CPAP power.

All guides
ES270

CPAP Gifts for Dad: Choose a Battery He Can Actually Use
battery size

What Size CPAP Battery Do I Need? A 3-Step Framework
emergency preparedness

A 7-Day Hurricane CPAP Power Plan: Battery, Solar and Reserve

CPAP power tips, a few times a month.

Sign up and get 10% off orders of $99 or more, on select items.

By subscribing you agree to receive marketing emails. Unsubscribe anytime.

Rewards