Choose the power path first

Decide how to power the CPAP before choosing battery size.

A dedicated multi-brand CPAP battery, an official machine-specific battery and a generic AC power station take different paths to the same bedside. Compare those paths first; then choose the EASYLONGER model for the nights ahead.

Compare power pathsCompare EASYLONGER models
The EASYLONGER CPAP battery family shown together for travel, camping and backup-power planning

Three ways to power a CPAP

Compare the power path, not just the battery label.

A manufacturer-specific battery, a dedicated multi-brand CPAP battery and a general AC power station solve different jobs. The right choice depends on model fit, conversion path and the nights you need.

What matters
EASYLONGERDedicated multi-brand CPAP battery
Official CPAP batteryManufacturer-specific example
Generic AC power stationGeneral-purpose portable power
Designed for
CPAP battery use across major mainstream machine families
A manufacturer-specific CPAP ecosystem
General appliances, including a CPAP through its AC adapter
Power path
Battery DC → matched DC cable → CPAP
Battery → manufacturer-specific cable → supported CPAP
Battery DC → inverter → AC outlet → CPAP adapter → DC input
Voltage selection
Model-specific DC stages; compare exact voltage/current ratings below
Fixed around the manufacturer's supported system
No CPAP voltage selection; the original AC adapter performs the conversion
Capacity range
99.9Wh to 297.6Wh
ResMed RPS II example: 97Wh
Varies widely by power-station size
Bedside sound
Fanless battery operation
Product-specific
Some models use a cooling fan depending on load and temperature
Fit check
Exact CPAP model + documented cable + selected voltage
Supported manufacturer model + specified cable
Original CPAP adapter + power station within its AC limits

EASYLONGER

Designed for
CPAP battery use across major mainstream machine families
Power path
Battery DC → matched DC cable → CPAP
Voltage selection
Model-specific DC stages; compare exact voltage/current ratings below
Capacity range
99.9Wh to 297.6Wh
Bedside sound
Fanless battery operation
Fit check
Exact CPAP model + documented cable + selected voltage

Official CPAP battery

Designed for
A manufacturer-specific CPAP ecosystem
Power path
Battery → manufacturer-specific cable → supported CPAP
Voltage selection
Fixed around the manufacturer's supported system
Capacity range
ResMed RPS II example: 97Wh
Bedside sound
Product-specific
Fit check
Supported manufacturer model + specified cable

Generic AC power station

Designed for
General appliances, including a CPAP through its AC adapter
Power path
Battery DC → inverter → AC outlet → CPAP adapter → DC input
Voltage selection
No CPAP voltage selection; the original AC adapter performs the conversion
Capacity range
Varies widely by power-station size
Bedside sound
Some models use a cooling fan depending on load and temperature
Fit check
Original CPAP adapter + power station within its AC limits

Direct DC and AC paths

Fewer conversions can leave more reserve for the CPAP.

A direct DC setup removes the inverter and the CPAP wall adapter from the operating path. Actual efficiency still depends on the complete setup.

Dedicated direct DC path
  1. Battery DC
  2. Matched cable
  3. CPAP

Shorter conversion path. Fanless battery operation. Select the documented voltage for the exact model.

Generic AC power-station path
  1. Battery DC
  2. Inverter
  3. AC outlet
  4. CPAP adapter
  5. CPAP

More flexible for general appliances, but the extra conversion stages can add losses. Some models may run a cooling fan.

Retail price per rated Wh

See how much battery the listed price buys.

This is a simple retail-price snapshot, not a runtime promise. Runtime still changes with the exact CPAP, pressure, humidification, heated tubing, temperature and battery condition.

EASYLONGER CPAP battery

ES270

$1.40 / Wh

$139.99 / 99.9Wh

EASYLONGER CPAP battery

ES400 AIR

$1.21 / Wh

$179.99 / 148Wh

EASYLONGER CPAP battery

ES720

$0.75 / Wh

$199.99 / 266.4Wh

EASYLONGER CPAP battery

ES960 PRO

$1.01 / Wh

$299.99 / 297.6Wh

Manufacturer-specific retail example

ResMed Power Station II V2

$4.61 / Wh

$447.00 / 97Wh

Retail snapshot checked August 11, 2026. The ResMed example uses a U.S. retailer listing for price and ResMed documentation for rated capacity and compatibility. Prices, packages and availability can change.

Retail listingResMed specification

Broad CPAP coverage, exact setup required

Right model. Right cable. Right voltage.

EASYLONGER CPAP batteries support many mainstream CPAP families. Match the full machine model, documented cable and the exact battery output stage before connection. Do not substitute a nearby voltage.

Check compatibilityAsk product support
  • ResMed AirSense 10 / 11
  • ResMed AirMini
  • Philips DreamStation / DreamStation 2
  • Luna and Luna TravelPAP
  • Löwenstein prisma SMART
  • Selected Breas and Transcend travel models
A fit check reduces preventable mismatch.

No battery can remove every product or operating risk. Follow both manuals, use the documented cable, verify voltage and complete a supervised test before relying on the setup overnight.

Now compare EASYLONGER models

One question usually narrows the choice.

Answer one question first. Then compare specifications only where you still need more detail.

01

Must it travel by air?

Choose ES270.

Its 99.9Wh label is designed around the common 100Wh passenger-aircraft threshold. Carry-on only; always confirm the operating airline.
02

Need more reserve than a flight-format battery?

Choose ES400 AIR.

Its 148Wh capacity adds reserve while staying compact. Under FAA guidance this range requires airline approval; confirm the operating airline and route before booking.
03

Need a flexible multi-night system?

Choose ES720.

It balances multi-night capacity, several recharge paths and device-charging flexibility without moving to the LiFePO4 price tier.
04

Expect repeated home outages?

Choose ES960 PRO.

Its LiFePO4 chemistry, 3,000+ rated cycles and fanless bedside design make it the strongest repeat-backup fit.
What matters
ES270 Flight-ready format
ES400 AIR Light emergency
ES720 Multi-night balance
ES960 PRO Maximum reserve · PRO controls
Best for
Air travel and one-night backup
Light backup and approval-range travel
Flexible multi-night backup
Repeat outages with voltage memory and precise battery information
Current price
$139.99
$179.99
$199.99
$299.99
Capacity
99.9Wh
148Wh
266.4Wh
297.6Wh
Estimated runtime
1 night
1–2 nights
2–3 nights
3+ nights*
Battery chemistry
Lithium-ion
Lithium-ion
Lithium-ion
LiFePO4
Rated cycle life
—
Refer to product documentation
—
3,000+ rated cycles
Recharge options
Included USB-C charger via USB-C1; input up to 60W; DC input 12–24V, 3A, 5.5 × 2.1mm; wall charger or compatible solar panel; USB-C1 and DC input cannot charge simultaneously
Included AC charger via DC input; Compatible solar panel, 80W or above; DC input 12–24V, 5.5 × 2.1mm; Vehicle via cigarette-lighter-to-DC cable, or car inverter and included AC charger; USB-C is output only, not a recharge input
Included AC adapter; 60W or above USB-C charger and E-marker USB-C cable; Compatible 100W or above solar panel; DC input 18–24V, 5.5 × 2.1mm; Vehicle: 60W or above USB-C car charger, or inverter plus included AC adapter, or 12V-to-18–24V DC converter; Cannot recharge directly from ordinary 12V vehicle DC output
Included AC adapter via DC input; USB-C PD charger via USB-C input; port rated up to 100W; Compatible DC-output solar panel, 12–24V, 5.5 × 2.1mm; or USB-C-output solar panel rated at least 60W; Vehicle: cigarette-lighter-to-DC cable or USB-C car charger rated at least 60W; Pass-through charging is documented; power flows through battery, not bypass
CPAP DC output stages
12V/5A · 19V/3.5A · 24V/3.5A
12V/5A · 16.5V/4A · 20V/3.5A · 24V/3.5A
12V/5A · 16.5V/4A · 20V/3.5A · 24V/2A
12V/6.7A · 19V/3.8A · 24V/3.8A
Travel fit
99.9Wh; confirm airline and carry-on rules
148Wh; advance airline approval required under FAA guidance
Road and destination travel
Home, RV and off-grid
Model documentation
Next step

ES270

Flight-ready format

Best for
Air travel and one-night backup
Current price
$139.99
Capacity
99.9Wh
Estimated runtime
1 night
Battery chemistry
Lithium-ion
Rated cycle life
—
Recharge options
Included USB-C charger via USB-C1; input up to 60W; DC input 12–24V, 3A, 5.5 × 2.1mm; wall charger or compatible solar panel; USB-C1 and DC input cannot charge simultaneously
CPAP DC output stages
12V/5A · 19V/3.5A · 24V/3.5A
Travel fit
99.9Wh; confirm airline and carry-on rules
Model documentation
Open ES270 manual (PDF)

ES400 AIR

Light emergency

Best for
Light backup and approval-range travel
Current price
$179.99
Capacity
148Wh
Estimated runtime
1–2 nights
Battery chemistry
Lithium-ion
Rated cycle life
Refer to product documentation
Recharge options
Included AC charger via DC input; Compatible solar panel, 80W or above; DC input 12–24V, 5.5 × 2.1mm; Vehicle via cigarette-lighter-to-DC cable, or car inverter and included AC charger; USB-C is output only, not a recharge input
CPAP DC output stages
12V/5A · 16.5V/4A · 20V/3.5A · 24V/3.5A
Travel fit
148Wh; advance airline approval required under FAA guidance
Model documentation
Open ES400 AIR manual (PDF)

ES720

Multi-night balance

Best for
Flexible multi-night backup
Current price
$199.99
Capacity
266.4Wh
Estimated runtime
2–3 nights
Battery chemistry
Lithium-ion
Rated cycle life
—
Recharge options
Included AC adapter; 60W or above USB-C charger and E-marker USB-C cable; Compatible 100W or above solar panel; DC input 18–24V, 5.5 × 2.1mm; Vehicle: 60W or above USB-C car charger, or inverter plus included AC adapter, or 12V-to-18–24V DC converter; Cannot recharge directly from ordinary 12V vehicle DC output
CPAP DC output stages
12V/5A · 16.5V/4A · 20V/3.5A · 24V/2A
Travel fit
Road and destination travel
Model documentation
Open ES720 manual (PDF)

ES960 PRO

Maximum reserve · PRO controls

Best for
Repeat outages with voltage memory and precise battery information
Current price
$299.99
Capacity
297.6Wh
Estimated runtime
3+ nights*
Battery chemistry
LiFePO4
Rated cycle life
3,000+ rated cycles
Recharge options
Included AC adapter via DC input; USB-C PD charger via USB-C input; port rated up to 100W; Compatible DC-output solar panel, 12–24V, 5.5 × 2.1mm; or USB-C-output solar panel rated at least 60W; Vehicle: cigarette-lighter-to-DC cable or USB-C car charger rated at least 60W; Pass-through charging is documented; power flows through battery, not bypass
CPAP DC output stages
12V/6.7A · 19V/3.8A · 24V/3.8A
Travel fit
Home, RV and off-grid
Model documentation
Open ES960 PRO manual (PDF)

Find your exact battery version.

The four family choices above are a starting point. Compare all eight versions here, including the PRO and Camo options, before checking the complete setup.

  • ES270 →

    Rated capacity
    99.9Wh
    CPAP DC output stages
    12V/5A · 19V/3.5A · 24V/3.5A
    Included CPAP cable families
    • ResMed AirSense 11 / AirCurve 11 / AirMini
    • ResMed AirSense 10 / AirCurve 10
    • Philips DreamStation / DreamStation 2
    • Luna TravelPAP / BMC M1 Mini Auto / Sefam EcoStar / S.Box / Néa
    Open ES270 manual (PDF)

  • ES400 AIR →

    Rated capacity
    148Wh
    CPAP DC output stages
    12V/5A · 16.5V/4A · 20V/3.5A · 24V/3.5A
    Included CPAP cable families
    • ResMed S9
    • ResMed AirSense 10 / AirCurve 10
    • ResMed AirMini / AirSense 11
    • Philips DreamStation / DreamStation 2
    Open ES400 AIR manual (PDF)

  • ES720 →

    Rated capacity
    266.4Wh
    CPAP DC output stages
    12V/5A · 16.5V/4A · 20V/3.5A · 24V/2A
    Included CPAP cable families
    • ResMed S9
    • ResMed AirSense 10 / AirCurve 10
    • ResMed AirMini / AirSense 11
    • Philips DreamStation / DreamStation 2
    Open ES720 manual (PDF)

  • ES720 PRO →

    Rated capacity
    276.48Wh
    CPAP DC output stages
    12V/6.7A · 16V/4A · 19V/3.8A · 24V/3.8A
    Included CPAP cable families
    • ResMed AirSense 11 / AirCurve 11 / AirMini
    • ResMed AirSense 10 / AirCurve 10
    • Philips DreamStation / DreamStation 2
    • Luna TravelPAP / BMC M1 Mini Auto
    Open ES720 PRO manual (PDF)

  • ES720 PRO Camo →

    Rated capacity
    276.48Wh
    CPAP DC output stages
    12V/6.7A · 16V/4A · 19V/3.8A · 24V/3.8A
    Included CPAP cable families
    • ResMed AirSense 11 / AirCurve 11 / AirMini
    • ResMed AirSense 10 / AirCurve 10
    • Philips DreamStation / DreamStation 2
    • Luna TravelPAP / BMC M1 Mini Auto
    Open ES720 PRO Camo manual (PDF)

  • ES960 →

    Rated capacity
    297.6Wh
    CPAP DC output stages
    12V/5A · 16.5V/4A · 20V/3.5A · 24V/3.5A
    Included CPAP cable families
    • ResMed S9
    • ResMed AirSense 10 / AirCurve 10
    • ResMed AirMini / AirSense 11
    • Philips DreamStation / DreamStation 2
    Open ES960 manual (PDF)

  • ES960 PRO →

    Rated capacity
    297.6Wh
    CPAP DC output stages
    12V/6.7A · 19V/3.8A · 24V/3.8A
    Included CPAP cable families
    • ResMed AirSense 11 / AirCurve 11 / AirMini
    • ResMed AirSense 10 / AirCurve 10
    • Philips DreamStation / DreamStation 2
    • Luna TravelPAP / BMC M1 Mini Auto
    Open ES960 PRO manual (PDF)

  • ES960 PRO Camo →

    Rated capacity
    297.6Wh
    CPAP DC output stages
    12V/6.7A · 19V/3.8A · 24V/3.8A
    Included CPAP cable families
    • ResMed AirSense 11 / AirCurve 11 / AirMini
    • ResMed AirSense 10 / AirCurve 10
    • Philips DreamStation / DreamStation 2
    • Luna TravelPAP / BMC M1 Mini Auto
    Open ES960 PRO Camo manual (PDF)

*Runtime varies by CPAP model, pressure, mask leakage, humidification, heated tubing, temperature and battery condition. Multi-night estimates assume humidification and heated tubing are off.

Use the current model manual and the label on your unit. Contact support to confirm packed weight and dimensions before travel.

Before checkout

A model choice is only complete when the setup is confirmed.

  1. 01
    Match the CPAP.

    Confirm exact model, adapter voltage and cable.

  2. 02
    Model the night.

    Include pressure, humidification and heated tubing.

  3. 03
    Check the destination.

    Airline rules and recharge access change the choice.

  4. 04
    Test the complete kit.

    Run one normal night before the critical one.

The outcome that matters

Confidence comes from a setup that has already worked once.

A charged, tested system beside the bed removes the need to rebuild a CPAP setup after the lights go out.

Less outage anxiety.Home outage outcome

A model-specific cable path and a complete overnight test turn compatibility from a promise into something the user has verified.

No adapter guesswork.Compatibility outcome

Visible assumptions help people plan a weekend, protect a reserve and understand when comfort heat needs a different capacity.

A realistic trip plan.Runtime outcome

Before you decide

Questions worth answering before checkout.

Confirm compatibility and realistic runtime before you buy.

Open support center
How do I know which cable my CPAP needs?

Start with the exact machine model and the voltage printed on its original power adapter. The compatibility tool narrows the cable family, and support can confirm the final connection before purchase.

Why is my runtime lower with the humidifier on?

Heating water and a breathing tube adds significant power demand. Published multi-night estimates assume humidification and heated tubing are off unless the page states otherwise.

Can I take every EASYLONGER battery on a plane?

No. ES270 is the airline-oriented 99.9Wh model. Higher-capacity ES720 and ES960 PRO exceed common passenger-aircraft battery limits and should not be presented as flight batteries.

What should I test before relying on backup power?

Confirm the cable and voltage, charge the battery fully, disable or account for comfort heat, and complete an overnight test with the exact CPAP settings you normally use.

What happens if the product is not right for my setup?

Eligible returns may be requested within 30 days of receipt. Contact support for approval and keep the original packaging. Shipping and handling fees may apply; review the return policy before ordering.

Free shippingEligible U.S. destinations; restrictions apply.
30-day returnsApproval required; shipping and handling fees may apply.
5-year official-store warrantyFor eligible official-site purchases
Direct technical supportCompatibility and setup help

Use the result

Now confirm the machine and the runtime.

Use your exact CPAP model, adapter voltage and comfort settings for the final check.

Check my CPAPShop all batteries