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Can it run it?

What can the Bluetti AC180 run, and for how long?

1.15 kWh of battery, 1,800 W continuous output. The cheapest station here, with a bit more battery than the 1 kWh units. Its limit is starting motors: the 2,700 W figure is Bluetti's Power Lifting mode for heaters and kettles, not a motor surge.

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10 hours

Of a typical fridge

96 W average, EIA

4 nights

Of CPAP with humidifier

28 W, 8-hour nights, ResMed

979 Wh

Usable energy

1.15 kWh rated x 85%

Bluetti AC180 run times for 15 appliances

How long the Bluetti AC180 runs common appliances on one full charge
ApplianceWattsOn one chargeCan it?
Kitchen refrigeratorTypical US fridge (839 kWh a year, EIA), compressor cycling on and off96 W avg700 W running+2,200 W to startabout 10 hoursStart not confirmed
Chest or upright freezerTypical separate freezer (570 kWh a year, EIA), cycling65 W avg700 W running+2,200 W to startabout 15 hoursStart not confirmed
CPAP with heated humidifier (28 W)8-hour nights28 W4 nightsRuns it
CPAP with humidifier off (11 W)8-hour nights11 W11 nightsRuns it
Wi-Fi router (10 W)Running nonstop10 Wabout 4 daysRuns it
Four LED bulbs (9 W each)All four on together36 Wabout 27 hoursRuns it
Laptop (60 W)Plugged in and working60 Wabout 16 hoursRuns it
Main TVTypical main TV and its boxes (210 kWh a year, EIA), averaged over the day24 W avgabout 1.5 daysRuns it
Phone charges15 Wh per full charge20 Wabout 65 chargesRuns it
Microwave (1,000 W)Minutes of cooking at full power1,000 Wabout 60 minutesRuns it
Space heater on high (1,500 W)On high the whole time; a thermostat cycling it stretches this1,500 Wabout 40 minutesRuns it
1/3 HP sump pump (800 W)Hours of actual pumping; a sump pump only runs when the pit fills800 W+1,300 W to startabout 1 hourStart not confirmed
1/3 HP well pump (1,000 W)Hours of actual pumping; a 120 V pump1,000 W+2,000 W to startabout 60 minutesStart not confirmed
1/3 HP furnace blower fan (700 W)Hours of blower running; a wired-in furnace needs a transfer switch (NFPA)700 W+1,400 W to startabout 1.5 hoursStart not confirmed
12,000 BTU window AC (3,250 W)EWEB's generator-sizing figure; a smaller unit draws less, see its label3,250 W+3,950 W to startCannot runToo big

One appliance at a time from a full charge. Run time = 1.15 kWh x 85% usable (979Wh) divided by the appliance's watts, the same formula our outage calculatoruses. "Start not confirmed" means the running watts fit but EWEB's worst-case starting watts are above the surge the station can give a motor. Watts are typical figures from the sources below; your appliance's label is the better number.

What the Bluetti AC180 cannot run

  • 12,000 BTU window AC (3,250 W). Needs 3,250 W running; the Bluetti AC180 gives 1,800 W.
  • An electric water heater. About 4,500 W (EWEB), more than twice what the Bluetti AC180 puts out. Nor anything that needs 240 V: the Bluetti AC180 has 120 V outlets only.
  • Starting a kitchen refrigerator is not confirmed. EWEB's generator-sizing sheet puts a kitchen refrigerator at 700 W running plus 2,200 W to start, 2,900 W in all, and the Bluetti AC180 can give a motor 1,800 W (its 2,700 W surge is for heating-type loads only). Test your own before an outage.
  • Starting a chest or upright freezer is not confirmed. EWEB's generator-sizing sheet puts a chest or upright freezer at 700 W running plus 2,200 W to start, 2,900 W in all, and the Bluetti AC180 can give a motor 1,800 W (its 2,700 W surge is for heating-type loads only). Test your own before an outage.
  • Starting a 1/3 HP sump pump is not confirmed. EWEB's generator-sizing sheet puts a 1/3 HP sump pump at 800 W running plus 1,300 W to start, 2,100 W in all, and the Bluetti AC180 can give a motor 1,800 W (its 2,700 W surge is for heating-type loads only). Test your own before an outage.
  • Starting a 1/3 HP well pump is not confirmed. EWEB's generator-sizing sheet puts a 1/3 HP well pump at 1,000 W running plus 2,000 W to start, 3,000 W in all, and the Bluetti AC180 can give a motor 1,800 W (its 2,700 W surge is for heating-type loads only). Test your own before an outage.
  • Starting a 1/3 HP furnace blower fan is not confirmed. EWEB's generator-sizing sheet puts a 1/3 HP furnace blower fan at 700 W running plus 1,400 W to start, 2,100 W in all, and the Bluetti AC180 can give a motor 1,800 W (its 2,700 W surge is for heating-type loads only). Test your own before an outage.
  • Several big loads at once. Add up the running watts of everything switched on: it must stay under 1,800 W. A space heater (1,500 W) plus a microwave (1,000 W) is already over.

How it compares

  • About the same size: the Anker SOLIX C1000 Gen 2 ($549.99, checked November 6, 2026) has 1.02 kWh: a fridge about 9 hours. It has 2,000 W of output to the Bluetti AC180's 1,800 W, a 3,000 W surge to the Bluetti AC180's 2,700 W (heating-type only), and 600 W of solar input to 500 W. Its specs cover a fridge start; the Bluetti AC180's do not.
  • Bigger: for $500.99 more, the Anker SOLIX C2000 Gen 2 runs a fridge about 18 hours and a CPAP 7.5 nights, and its specs cover a sump pump start.
  • Need a different size? The home battery sizer and the outage backup calculator work it out from your own list of appliances.

Bluetti AC180 specs and price

Capacity
1.15 kWh
Continuous AC output
1,800 W
Surge
2,700 W (heating-type loads only)
Expands to
Not stated
Solar input
500 W
UPS switchover
Not stated
Weight
35.3 lb
Price
$499 on October 26, 2026
  • Back in stock on Bluetti's US site on Oct 19 2026, after being out of stock on Oct 15.
  • Its 2,700 W figure is Bluetti's Power Lifting mode for heating-type loads (kettles, space heaters), not a motor-start surge.
See the Bluetti AC180 on Bluetti (opens in a new tab)

*Prices and specifications are from each manufacturer's US website, checked , . Prices change often, sometimes daily during sales; the seller's page is the final word. Cycle ratings are the maker's own figures, measured to different end points, so treat them as rough guides.

Safe to run indoors. A battery power station makes no exhaust, so unlike a gas generator it can sit next to the fridge or the bed. Gas generators must run outdoors, at least 20 ft from windows and doors (Ready.gov).

Frequently asked questions

How long will the Bluetti AC180 run a refrigerator?

About 10 hours for a typical US kitchen fridge, which uses 96 W averaged over the day (839 kWh a year, EIA). That is 979 usable Wh (1.15 kWh x 85%) divided by 96 W. Start-up is the open question: EWEB's generator-sizing sheet puts a kitchen refrigerator at 700 W running plus 2,200 W to start, 2,900 W in all, and the Bluetti AC180 can give a motor 1,800 W (its 2,700 W surge is for heating-type loads only). Plug your fridge in and test it before an outage. A closed fridge keeps food safe about 4 hours without power (FoodSafety.gov), so running it in shifts stretches the battery further.

Can the Bluetti AC180 run a space heater?

Yes, a 1,500 W heater on high is within its 1,800 W output, but only for about 40 minutes. At 1,500 W it is the biggest steady load in the table above that the Bluetti AC180 can run, so the battery is for taking the chill off, not heating a room through the night. On a thermostat that cycles, it lasts longer.

Can the Bluetti AC180 run a CPAP, and for how many nights?

4 nights with the heated humidifier on (28 W, ResMed's AirSense 10 figure) and 11 nights with it off, at 8 hours a night. Check your own machine's watts in its manual.

Can the Bluetti AC180 run a sump pump?

It can carry the running load for about 1 hour, but the start is not confirmed by the specs: EWEB's generator-sizing sheet puts a 1/3 HP sump pump at 800 W running plus 1,300 W to start, 2,100 W in all, and the Bluetti AC180 can give a motor 1,800 W (its 2,700 W surge is for heating-type loads only). Test yours before you rely on it. That is hours of actual pumping for a 1/3 HP pump (800 W running, EWEB). A sump pump runs only when the pit fills, so in a light rain it can last much longer; in a storm it may run often.

Can the Bluetti AC180 run a window air conditioner?

Not a 12,000 BTU unit at EWEB's 3,250 W running figure: that is more than its 1,800 W output. A smaller unit draws less; find the watts on its label. If they are under 1,800 W, divide 979 Wh by those watts for the hours it would run with the compressor on nonstop.

How can I make the Bluetti AC180 last longer?

It takes up to 500 W of solar, so panels can refill it during the day. Run only what you need, and switch the fridge on and off in shifts.

Estimates only. Your actual costs depend on your utility's rate plan, how and when you charge or use power, and local prices. This is general information, not financial, tax or legal advice. See our disclaimer.

Sources

  1. Bluetti AC180 product page — specs and price, checked October 26, 2026
  2. Anker SOLIX C1000 Gen 2 product page — checked November 6, 2026
  3. EIA Residential Energy Consumption Survey 2020, table CE4.6.EL.ST — refrigerators: 839 kWh a year per household
  4. EIA Residential Energy Consumption Survey 2020, table CE5.3b (detailed electricity end use) — separate freezers 570 kWh, most-used TV 210 kWh, microwaves 107 kWh a year per household
  5. ResMed battery guide (AirSense 10) — 28 W with heated humidifier, about 11 W without
  6. EnergySage, How many watts does a Wi-Fi router use? — 5 to 20 W; we use 10 W
  7. US DOE Energy Saver, Energy efficient lighting fact sheet (2021) — a 1,100-lumen LED screw-in bulb uses as little as 9 W
  8. Eugene Water & Electric Board, Generator sizing considerations — running and starting watts: well pump 1/3 HP 1,000 W (+2,000 W to start), furnace fan blower 1/3 HP 700 W (+1,400), refrigerator/freezer 700 W (+2,200), microwave 1,000 W, laptop 60 W, phone charger 20 W
  9. TidBITS, iPhone battery-life tables — iPhone 16 battery 13.84 Wh; we use 15 Wh a charge to allow for charging losses
  10. US DOE Energy Saver, Estimating appliance and home electronic energy use (archived copy) — watts × hours a day ÷ 1,000 = kWh a day
  11. FoodSafety.gov, Food safety during power outages — 4 hours in a closed fridge, 48 hours in a full freezer
  12. Ready.gov, Generator safety — generators and fuel outdoors, at least 20 ft from windows, doors and attached garages; let it cool before refueling
  13. NFPA, Generator safety tip sheet (copy hosted by the Village of Penn Yan) — never in an attached garage; CO alarms; cool before refueling; fuel in labeled containers outside living areas; transfer switch by a qualified electrician

Appliance figures checked November 11, 2026.

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