What size power station for a ductless mini-split (9,000 BTU)?

It needs a station with at least 659 W of continuous output (starting watts not published, so the check uses running watts). At the default 85% efficiency it takes about 6,202 Wh of rated capacity for 8 hours of running, and 18,607 Wh for 24 hours of running. 45 of the 54 power stations in the Enough Watts data set can power it. None of them keeps it going for 24 hours of running.

Updated October 6, 2026

659W
Continuous output
Not published
Surge to start it
6,202Wh
Capacity for 8 hours of running
18,607Wh
Capacity for 24 hours of running
45 of 54
Stations that power it

Watts

Typical figures for this type, from the sources at the foot of this page. Watts vary by model and age. Check the label on your own appliance and enter it for an exact answer.

Running, typical: 659 W
Running, low to high: 562 W to 750 W
Starting: Not publishedmotors often need 2 to 3 times their running watts to start
Typical use a day: 8 hhours the motor actually runs
Average draw while on: 659 W
Voltage: 120 V

Assumes the motor runs the whole time; real use is often less.
Starting watts not published; motors often need 2 to 3 times their running watts to start.

Explained in: Watts vs watt hours, explained, How to read an appliance label for watts and Starting watts explained.

The math

Worked with the typical figure, as the calculator does it.

Output659 W running, so the station's continuous output must be at least 659 W.
SurgeStarting watts are not published, so the surge check uses the 659 W running figure.
Average draw659 W: the running watts count for every hour it is on, as if the motor never paused.
A typical day659 W × 8 h = 5,272 Wh a day.
8 hours of running659 W × 8 h = 5,272 Wh usable, ÷ 0.85 = 6,202 Wh of rated capacity.
24 hours of running659 W × 24 h = 15,816 Wh usable, ÷ 0.85 = 18,607 Wh of rated capacity.
On the DJI Power 500512 Wh × 0.85 = 435 Wh usable, ÷ 659 W = 40 min.

Stations that run it

Every power station in the data with this appliance alone plugged in, at 85% efficiency. Type the running watts from your own label and the table works it out again.

Running watts

Typical 659 W, from 562 W to 750 W. Watts vary by model and age. Check the label on your own appliance and enter it for an exact answer.

45 of 54 power stations run it at 659 W.

Power stations for a ductless mini-split (9,000 BTU) at 659 W
Power station	Can it power it	Running time	Output	Start surge
DJI Power 500	Runs it	40 min	1,000 W	not published
BLUETTI Elite 100 mini	Runs it	1.3 h	700 W	1,050 W
BLUETTI Elite 100 V2	Runs it	1.3 h	1,800 W	3,600 W
EcoFlow DELTA 3 Classic	Runs it	1.3 h	1,800 W	3,600 W
Anker SOLIX C1000 Gen 2	Runs it	1.3 h	2,000 W	3,000 W
EcoFlow DELTA 3	Runs it	1.3 h	1,800 W	3,600 W
EcoFlow DELTA 3 Plus	Runs it	1.3 h	1,800 W	3,600 W
Pecron E1000LFP	Runs it	1.3 h	1,800 W	3,000 W
DJI Power 1000	Runs it	1.3 h	2,200 W	4,400 W
Anker SOLIX C1000	Runs it	1.4 h	1,800 W	2,400 W
Jackery Explorer 1000 v2	Runs it	1.4 h	1,500 W	3,000 W
BLUETTI AC180	Runs it	1.5 h	1,800 W	2,700 W
ALLPOWERS R1500	Runs it	1.5 h	1,800 W	3,000 W
Jackery Explorer 1000 Plus	Runs it	1.6 h	2,000 W	4,000 W
Goal Zero Yeti 1500	Runs it	1.9 h	2,000 W	3,600 W
Jackery Explorer 1500 v2	Runs it	2.0 h	2,000 W	4,000 W
Jackery Explorer 1500 Ultra	Runs it	2.0 h	1,800 W	3,600 W
ALLPOWERS R2500 V2	Runs it	2.5 h	2,500 W	4,000 W
Jackery Explorer 2000 v2	Runs it	2.6 h	2,200 W	4,400 W
Jackery HomePower 2000 Plus v2	Runs it	2.6 h	2,400 W	4,800 W
EcoFlow DELTA 3 Max	Runs it	2.6 h	2,400 W	4,800 W
Pecron E2400LFP	Runs it	2.6 h	2,400 W	4,000 W
Anker SOLIX C2000 Gen 2	Runs it	2.6 h	2,400 W	4,000 W
EcoFlow DELTA 3 Max Plus	Runs it	2.6 h	3,000 W	6,000 W
OUPES Mega 2 Pro	Runs it	2.6 h	2,500 W	not published
DJI Power 2000	Runs it	2.6 h	3,000 W	not published
BLUETTI Elite 200 V2	Runs it	2.7 h	2,600 W	not published
Anker SOLIX F2600	Runs it	3.3 h	2,400 W	2,800 W
BLUETTI Apex 300	Runs it	3.6 h	3,840 W	not published
BLUETTI Elite 300	Runs it	3.9 h	2,400 W	4,800 W
EcoFlow DELTA 3 Ultra	Runs it	4.0 h	3,600 W	7,200 W
Anker SOLIX F3000	Runs it	4.0 h	3,600 W	7,200 W
EcoFlow DELTA 3 Ultra Plus	Runs it	4.0 h	3,600 W	7,200 W
Pecron E3600LFP	Runs it	4.0 h	3,600 W	7,000 W
ALLPOWERS R3500	Runs it	4.1 h	3,200 W	6,000 W
ALLPOWERS R4000	Runs it	4.5 h	3,600 W	6,000 W
BLUETTI Elite 400	Runs it	5.0 h	2,600 W	5,200 W
Anker SOLIX F3800	Runs it	5.0 h	6,000 W	9,000 W
Anker SOLIX F3800 Plus	Runs it	5.0 h	6,000 W	9,000 W
Goal Zero Yeti PRO 4000	Runs it	5.2 h	3,600 W	7,200 W
EcoFlow DELTA Pro 3	Runs it	5.3 h	4,000 W	8,000 W
OUPES Guardian 6000 V2	Runs it	5.9 h	6,000 W	9,000 W
Jackery Explorer 5000 Plus	Runs it	6.5 h	7,200 W	14,400 W
EcoFlow DELTA Pro Ultra	Runs it	7.9 h	7,200 W	10,800 W
EcoFlow DELTA Pro Ultra X	Runs it	15.8 h	12,000 W	not published
BLUETTI Elite 10 Mini	Cannot power itNeeds 659 W running at once; this station gives 200 W. Needs 659 W to start; this station peaks at 300 W.	none	200 W	300 W
Jackery Explorer 240 v2	Cannot power itNeeds 659 W running at once; this station gives 300 W. Needs 659 W to start; this station peaks at 600 W.	none	300 W	600 W
EcoFlow RIVER 3 Plus	Cannot power itNeeds 659 W running at once; this station gives 600 W.	none	600 W	1,200 W
BLUETTI Elite 30 V2	Cannot power itNeeds 659 W running at once; this station gives 600 W. Needs 659 W to start. Its surge rating is not published, and its 600 W continuous rating is lower.	none	600 W	not published
Jackery Explorer 300 v2	Cannot power itNeeds 659 W running at once; this station gives 300 W. Needs 659 W to start; this station peaks at 600 W.	none	300 W	600 W
Goal Zero Yeti 300	Cannot power itNeeds 659 W running at once; this station gives 350 W. Needs 659 W to start; this station peaks at 600 W.	none	350 W	600 W
Goal Zero Yeti 500	Cannot power itNeeds 659 W running at once; this station gives 500 W.	none	500 W	1,000 W
Jackery Explorer 600 v2	Cannot power itNeeds 659 W running at once; this station gives 500 W.	none	500 W	1,000 W
Goal Zero Yeti 700	Cannot power itNeeds 659 W running at once; this station gives 600 W.	none	600 W	1,000 W

Add it to the runtime calculator with the rest of your list

What moves the number

The figure is rated cooling capacity divided by efficiency for certified 9,000 BTU systems: 562 W to 750 W. Inverter compressors ramp up gently and draw less than the rating at part load. Many 9,000 BTU systems run on 230 V; this page assumes 120 V, so check yours.

Questions

How many watts does a ductless mini-split (9,000 BTU) use?

About 659 W while running, from 562 W to 750 W across the models in our sources. Watts vary by model and age. Check the label on your own appliance and enter it for an exact answer.

Can a portable power station run a ductless mini-split (9,000 BTU)?

Yes. 45 of the 54 power stations in the Enough Watts data set can power it on its own. It takes at least 659 W of continuous output.

How long will a power station run a ductless mini-split (9,000 BTU)?

It depends on the battery. At 85% efficiency the smallest station that powers it, the DJI Power 500 (512 Wh), gives about 40 min. The largest, the EcoFlow DELTA Pro Ultra X (12,288 Wh), gives about 15.8 h.

Does a ductless mini-split (9,000 BTU) need extra watts to start?

Its starting watts are not published, and motors often need 2 to 3 times their running watts to start. Without a published figure the site checks the start at the 659 W running figure, so leave headroom above that on your station.

Sources

Researched from these pages, then checked against them a second time.

ENERGY STAR Certified Mini-Split Heat Pumps (data.energystar.gov dataset akti-mt5s) government, checked October 6, 2026
Advantage 5th Generation Specs & Features | MRCOOL (A-09-HP-C-115D-O) maker specification sheet, checked October 6, 2026
AHRI Certificate of Product Ratings 216032581, MRCOOL A-09-HP-C-115D-O maker specification sheet, checked October 6, 2026

We read published figures and do the math; we do not measure appliances. The methodology states every formula on this page. Capacities are rated watt hours: 1,000 Wh rated gives 850 Wh usable at the default.