Manufacturer-documented model guide

BLUETTI AC180

The AC180 is a roughly one-kilowatt-hour, 120 V portable battery with 1,800 W continuous output and a documented UPS switching figure of 20 ms or less. Its slightly higher nominal capacity than the DELTA 2 comes with a heavier listed base-unit weight and no directly attached expansion capacity verified in this source record. It remains an older-model alternative to Elite 100 V2.

Manufacturer research; we have not tested this model hands-on. Our research method. Source records checked on 2026-10-04. Each field’s source and date are listed below.

Quick answer

Start with your household’s power needs

Identify each appliance’s running watts, startup demand, voltage and operating time. Compare those needs with documented output and capacity, allowing for conversion losses and changing conditions. Rated capacity does not predict exact runtime.

Check planned loads in the backup-power selector

More nominal Wh does not mean more output watts

The AC180 record lists 1,152 Wh, compared with 1,024 Wh for the DELTA 2, while both list 1,800 W continuous AC output and 2,700 W surge. The Wh values describe nominal stored energy; the watt ratings describe output limits. That modest capacity difference does not promise a particular extra runtime, and the shared output ratings do not guarantee either unit can start a specific appliance. Account for conversion loss, reserve, temperature, battery condition, and cycling loads, and check the actual appliance requirements.

Plan for the unit's weight and footprint

The listed base-unit weight is 35.27 lb, compared with 27 lb for the DELTA 2. Consider who may need to move it, where it can be stored safely, and how cables reach the equipment. The weight comparison does not include packaging or separately carried charging gear. Confirm the current US model and handling instructions in the product page and manual.

Interpret the switching figure carefully

The cited manual lists UPS switching at 20 ms or less and instructs readers to test UPS behavior where data loss is a risk. This figure is not a guarantee that every refrigerator, computer, medical device, or motor will ride through a transfer. Check the connected device's tolerance and follow both manufacturers' instructions before relying on pass-through backup.

Expansion and charging need their own verification

No directly attached expansion capacity was verified in the US manual used for this record. Do not plan on add-on battery runtime unless current manufacturer documentation confirms a compatible configuration. The record lists up to 500 W solar input, which is an input ceiling; actual charging depends on compatible equipment, conditions, and available sunlight. Verify connector, voltage, current, and charging limits before assembling a setup.

Check voltage, loads, outlets, and warranty

This US record lists 120 V output, four AC outlets, and a five-year warranty. Listing titles and illustrations can disagree about outlet counts; confirm the actual US unit’s outlet configuration with the seller. Confirm the exact model, the number and type of connections your plan needs, the running and startup demand of each load, and current warranty terms. Do not treat a high-power mode or surge figure as permission to exceed the appliance or station's documented operating limits.

Verified source record

Manufacturer specifications used in this guide

Each figure links to the product page or manual used for that field, with its own check date. Manufacturer specifications are not independent performance measurements.

Nominal capacity

1,152 Wh

Checked 2026-10-04. Source for Nominal capacity (opens in a new tab)

Battery chemistry

LiFePO4

Checked 2026-10-04. Source for Battery chemistry (opens in a new tab)

Continuous AC output

1,800 W

Checked 2026-10-04. Source for Continuous AC output (opens in a new tab)

Surge output

2,700 W

Manufacturer manual separately states 2700 W surge; duration and motor-specific startup behavior are not specified.

Checked 2026-10-04. Source for Surge output (opens in a new tab)

US AC outlet count

4 outlets

US model; EU version has two outlets.

Checked 2026-10-04. Source for US AC outlet count (opens in a new tab)

240 V AC output

No

AC180-US output is 120 V.

Checked 2026-10-04. Source for 240 V AC output (opens in a new tab)

Maximum solar input

500 W

Checked 2026-10-04. Source for Maximum solar input (opens in a new tab)

Maximum documented expanded capacity

Not verified in this source record

Manufacturer says external batteries can charge the AC180 in Power Bank Mode; its US product FAQ says this is not capacity expansion, so no expanded capacity is counted.

Checked 2026-10-04. Source for Maximum documented expanded capacity (opens in a new tab)

Transfer / switching time

20 ms

Manual states UPS switching time at or below 20 ms.

Checked 2026-10-04. Source for Transfer / switching time (opens in a new tab)

Base-unit weight

35.27 lb

Checked 2026-10-04. Source for Base-unit weight (opens in a new tab)

Listed warranty term

5 years

Checked 2026-10-04. Source for Listed warranty term (opens in a new tab)

  • Power Lifting mode is a separate capability for high-drain resistive loads; it is not treated as continuous or startup-surge compatibility in this matcher.
  • The manual instructs readers to test UPS behavior before use where data loss is a risk.
  • External batteries may supply charging through Power Bank Mode, but their capacity is not treated as AC180 expansion capacity.

Before you buy

Confirm the exact configuration

  • Match the product name, model suffix, voltage, and outlet configuration to the current US listing.
  • Check appliance running watts and starting requirements in the appliance documentation.
  • For expansion, verify the compatible battery model, included accessories, and separately sold items.
  • For transfer or backup of a critical device, follow both manufacturers’ compatibility and safety instructions.