CPAP backup power for the night ahead

Sleep through the outage.

Choose backup power for blackouts, travel and nights beyond the outlet—matched to your CPAP and real setup.

A CPAP user sleeping with an EASYLONGER battery and CPAP machine prepared beside the bed
  1. 01 Match the machine Exact CPAP and cable
  2. 02 Confirm the voltage 12V, 16V, 19V or 24V
  3. 03 Plan real nights Your pressure and comfort settings
5-year warranty On official-site orders
30-day free returns On official-site orders
Free U.S. shipping On official-site orders
Lifetime product support Real people, by message
LiFePO4 on ES960 family 3,000+ cycle cells

Confidence before checkout

A backup plan is more than a battery.

Each step closes one source of uncertainty before the battery has to carry the night.

  1. 01 Exact CPAP match

    Use the complete machine name—not only the brand.

  2. 02 Documented power path

    Confirm the cable and 12V, 16V, 19V or 24V output.

  3. 03 One full-night test

    Test normal pressure and comfort settings before relying on backup.

  4. 04 Support after purchase

    Eligible official-site orders include a 5-year warranty and lifetime product support.

Choose by the job

Four product families. Four clear reasons to choose.

More capacity is not automatically the better choice. Start with the trip or outage, then confirm compatibility.

ES270 CPAP battery

Air travel

ES270

The compact choice built around the common 100Wh airline threshold.

Capacity
99.9Wh
Planning range
1 night
View ES270
ES400 AIR CPAP battery

Light backup

ES400 AIR

More reserve than a flight-format battery without moving to a weekend system.

Capacity
148Wh
Planning range
1–2 nights
View ES400 AIR
ES720 Series CPAP battery

Multi-night balance

ES720 Series

A balanced family for weekends, bedside backup and off-grid routines.

Capacity
266.4Wh
Planning range
2–3 nights
View ES720 Series
ES960 Series CPAP battery

Maximum reserve

ES960 Series

The highest-capacity family for repeat outages and longer reserve planning.

Capacity
297.6Wh
Planning range
Up to 2–3 nights*
View ES960 Series

*Planning ranges assume humidification and heated tubing are off. Actual runtime varies by CPAP model, pressure, mask leakage, temperature and battery condition.

Compatibility before capacity

Plan the setup, not just the battery.

Start with what is beside the bed. We will help narrow the cable, voltage and realistic number of nights.

01Match the exact CPAP model

Model families can use different power requirements. Use the full name printed on the machine and its original adapter.

02Confirm 12V, 16V, 19V or 24V

EASYLONGER batteries support these selectable DC outputs. Select the voltage required by the CPAP—not a guess based on connector shape.

03Plan with real comfort settings

Humidification and heated tubing can substantially increase power demand. Test one full night before depending on backup.

04Know what PRO adds

PRO models add voltage memory and a more precise battery display for repeat setups and clearer reserve monitoring.

Check my CPAP
EASYLONGER ES960 PRO shown as the battery side of a CPAP setup A CPAP machine, EASYLONGER battery and documented connection cables shown together
Not sure?Send the model and adapter-label photo to support.

Field evidence, with its limits stated

See the setup—not just the product claim.

Real media can confirm placement, connection and routine. Runtime still depends on the exact CPAP, pressure and comfort settings.

ES960 SERIES · RV SETUP

Walk through a real mobile setup.

Product placement, connections and reserve planning shown by a customer.

ES960 PRO used with a portable solar panel in a customer field setup
ES960 PRO · SOLAR FIELD SETUP

Recharge where the next outlet is not guaranteed.

A real customer setup keeps the battery, panel and charging context visible.

ES400 AIR connected beside a CPAP machine in a real setup
ES400 AIR · CPAP SETUP

See the complete connection before the night.

A real setup shows the battery, CPAP and cable together instead of relying on a capacity claim alone.

See customer videos Share your setup

Customer photo wall

See the complete setup—not just the battery.

Browse 100 customer-submitted photos showing bedside placement, packing, cables and real-use context. Use the wall to inspect the setup, then confirm compatibility and runtime before purchase.

View all 100 setups

Photos are moderated customer submissions. Product fit and runtime still depend on the exact CPAP, settings, cable and operating conditions.

Plan before the power goes out

Answers for the decisions that matter.

Use clear guides for runtime, travel and compatibility before you depend on backup power.

Find your fit

Protect the night before the power goes out.

Start with your CPAP model. We will help with the cable, voltage and planning range.

  • Free U.S. shipping
  • 30-day free returns
  • 5-year official-site warranty
  • Lifetime support