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Appliance runtime

How long can a power station run a CPAP?

A 1,000 Wh station runs a ResMed AirSense 11 CPAP for about 1.9 8-hour nights calculated, at 56 W running and 56 W starting (ResMed user guide). Our best fit for a ResMed AirSense 11 CPAP for one 8-hour night a day is the Jackery Explorer 1000 v2, at about 49 h. Maker specs checked .

Yes. Jackery Explorer 1000 v2 runs a ResMed AirSense 11 CPAP for one 8-hour night a day for about 49 h. calculated from maker specs, .

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Best fit
Jackery Explorer 1000 v2
About 49 h calculated
1,070 Wh LiFePO4 · 1,500 W continuous
Starting headroom 98%
$499 list price, checked · In stock
5-year warranty · 10.8 kg
Cheapest in-stock station with at least 20% spare runtime, a published warranty of at least two years and a published surge rating.
Check price for Jackery Explorer 1000 v2
Budget
OUPES Exodus 700
About 26 h calculated
576 Wh LiFePO4 · 700 W continuous
Starting headroom 95%
$399 list price, checked · In stock
5-year warranty · 6.3 kg
Cheapest in-stock station that works at all; trade-off: less than 20% spare runtime.
Check price for OUPES Exodus 700
More headroom
PECRON E1500LFP
About 70 h calculated
1,536 Wh LiFePO4 · 2,200 W continuous
Starting headroom 99%
$549 list price, checked · In stock
5-year warranty · 17.4 kg
Cheapest station that works in the next size class up (1,500–1,999 Wh).
Check price for PECRON E1500LFP

Goal: 24 h. Hours use maker inverter efficiency where published, otherwise the 0.85 estimate, and leave out idle draw the maker doesn't publish. Stations shown out of stock or with availability not shown are skipped. How we pick.

Hours by station size

Hours by rated capacity
Rated capacityResMed AirSense 11, typical draw (ResMed guide), 8-hour nights calculatedCPAP with heated humidifier (chart midpoint), 8-hour nights calculatedCPAP without heat (chart midpoint), 8-hour nights calculatedResMed AirMini travel CPAP (ResMed guide), 8-hour nights calculated
500 Wh0.9 nights0.6 nights1.2 nights8.4 nights
1,000 Wh1.9 nights1.2 nights2.4 nights16.9 nights
2,000 Wh3.8 nights2.4 nights4.7 nights33.7 nights
3,000 Wh5.7 nights3.5 nights7.1 nights50.6 nights
5,000 Wh9.5 nights5.9 nights11.8 nights84.3 nights

A generic station of that rated size at the 0.85 default efficiency with no idle draw, assuming its watts are enough to run and start the load. Real stations are below.

Running and starting watts

  • ResMed AirSense 11, typical draw (ResMed guide), 8-hour nights: 56 W running, 56 W starting, 449 Wh a day (ResMed user guide). ResMed's user guide lists typical and peak consumption without stating humidifier or heated-tube settings; treat it as a with-humidification planning figure. An Air11 DC/DC converter is listed as an accessory; DC draw is not stated in the guide.
  • CPAP with heated humidifier (chart midpoint), 8-hour nights: 90 W running, 90 W starting, 720 Wh a day (Champion wattage chart). Typical running W is the midpoint of the chart's 60–120W range.
  • CPAP without heat (chart midpoint), 8-hour nights: 45 W running, 45 W starting, 360 Wh a day (Champion wattage chart). Typical running W is the midpoint of the chart's 30–60W range.
  • ResMed AirMini travel CPAP (ResMed guide), 8-hour nights: 6 W running, 6 W starting, 50 Wh a day (ResMed user guide). The AirMini has no heated humidifier, so this is a manual-sourced without-humidifier figure.

Heated humidification is the biggest swing in CPAP draw. Use your own machine's manual figure in the calculator.

Every in-stock station we cover

Hours on each station
StationCapacityResMed AirSense 11, typical draw (ResMed guide), 8-hour nights calculatedCPAP with heated humidifier (chart midpoint), 8-hour nights calculatedCPAP without heat (chart midpoint), 8-hour nights calculatedResMed AirMini travel CPAP (ResMed guide), 8-hour nights calculated
Goal Zero Yeti 500499.2 Wh0.9 nights0.6 nights1.2 nights8.4 nights
OUPES Exodus 700576 Wh1.1 nights0.7 nights1.4 nights9.7 nights
Goal Zero Yeti 700677.37 Wh1.3 nights0.8 nights1.6 nights11.4 nights
Anker SOLIX C1000 Gen 21,024 Wh1.9 nights1.2 nights2.4 nights17.3 nights
BLUETTI Elite 100 V21,024 Wh1.9 nights1.2 nights2.4 nights17.3 nights
EcoFlow DELTA 31,024 Wh1.9 nights1.2 nights2.4 nights17.3 nights
EcoFlow DELTA 3 Classic1,024 Wh1.9 nights1.2 nights2.4 nights17.3 nights
EcoFlow DELTA 3 Plus1,024 Wh1.9 nights1.2 nights2.4 nights17.3 nights
OUPES Mega 11,024 Wh1.9 nights1.2 nights2.4 nights17.3 nights
Jackery Explorer 1000 v21,070 Wh2.0 nights1.3 nights2.5 nights18.0 nights
BLUETTI AC1801,152 Wh1.1 nights0.8 nights1.2 nights2.1 nights
Jackery Explorer 1000 Plus1,264.64 Wh2.4 nights1.5 nights3.0 nights21.3 nights
Goal Zero Yeti 1500 (2026)1,505.28 Wh2.9 nights1.8 nights3.6 nights25.4 nights
Jackery Explorer 1500 Ultra1,536 Wh2.9 nights1.8 nights3.6 nights25.9 nights
Jackery Explorer 1500 v21,536 Wh2.9 nights1.8 nights3.6 nights25.9 nights
PECRON E1500LFP1,536 Wh2.9 nights1.8 nights3.6 nights25.9 nights
Jackery Explorer 2000 v22,042 Wh3.9 nights2.4 nights4.8 nights34.4 nights
Anker SOLIX C2000 Gen 22,048 Wh3.9 nights2.4 nights4.8 nights34.5 nights
EcoFlow DELTA 2 Max2,048 Wh3.9 nights2.4 nights4.8 nights34.5 nights
EcoFlow DELTA 3 Max2,048 Wh3.9 nights2.4 nights4.8 nights34.5 nights
EcoFlow DELTA 3 Max Plus2,048 Wh3.9 nights2.4 nights4.8 nights34.5 nights
OUPES Mega 22,048 Wh3.9 nights2.4 nights4.8 nights34.5 nights
PECRON E2400LFP2,048 Wh3.9 nights2.4 nights4.8 nights34.5 nights
Anker SOLIX F30003,072 Wh5.8 nights3.6 nights7.3 nights51.8 nights
EcoFlow DELTA 3 Ultra3,072 Wh5.8 nights3.6 nights7.3 nights51.8 nights
PECRON F3000LFP3,072 Wh5.8 nights3.6 nights7.3 nights51.8 nights
Anker SOLIX F3800 Plus3,840 Wh7.3 nights4.5 nights9.1 nights64.8 nights
Goal Zero Yeti PRO 40003,993.6 Wh7.6 nights4.7 nights9.4 nights67.4 nights
EcoFlow DELTA Pro 34,096 Wh7.8 nights4.8 nights9.7 nights69.1 nights

Shown in stock at the maker store, with a maker list price. "Won't start it" means the starting watts exceed the surge rating (or the continuous rating where no surge rating is published).

Sources