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EcoFlow · Power station · DELTA Pro Ultra X

DELTA Pro Ultra X

100% Whole-Home Power Station : Delivers 12–36kW output and 12–180 kWh capacity. . .

12,000W rated12,288WhRechargeable batteryListed available
Check EcoFlow price Official listed price $7,999.00
EcoFlow DELTA Pro Ultra X Whole-Home Backup Power
Product image · EcoFlow

Product decision summary

Researched by · reviewed under the FMG editorial standard · Sep 15, 2026

Trace the evidence · not a hands-on review

Bottom line

Exceptional in its class for whole-home backup planning & 120v/240v appliance loads.

Best for: Whole-home backup planning & 120V/240V appliance loads

Running output

12,000W

Fuel / power

Rechargeable battery

Weight

0.44 lb

Strongest reasons

  • 100% Whole-Home Power Station : Delivers 12–36kW output and 12–180 kWh capacity. . .
  • Running output is higher than 99% of its class.
  • Stored energy is higher than 99% of its class.

Know before buying

Usable runtime changes sharply with the load. Size your required watt-hours and recharge plan before buying.

Best current buying route

$7,999

Observed price at EcoFlow

The only verified seller destination. Its listed price is known, but shipping and delivered cost still need confirmation. Confirm price, stock, shipping, and the exact model on the seller’s site.

Check price & availability

Affiliate links may earn us a commission at no added cost to you. Disclosure

Follow the manual’s charging, temperature, storage, and battery-safety requirements.

Price intelligence Evidence ledger Accessories & manuals

Key specifications

The numbers that drive the decision.

Published values stay labeled, and every usable metric includes class context. Missing data is shown instead of estimated.

Open complete specifications
SpecificationThis model
Running output12,000WHigher than 99% of its class
Peak / starting output12,000WHigher than 67% of its class
Stored energy12,288WhHigher than 99% of its class
Product weight0.4 lbLighter than 99% of its class
Published sound levelNot publishedNo class comparison available
Fuel / power sourceRechargeable batteryPower station
Best current price$7,999Observed price at EcoFlow

Class comparisons use 4 high output power stations. Runtime figures can use different loads, fuels, or test conditions; confirm the model manual before planning fuel or battery duration.

Product gallery & complete specifications Official imagery, full spec tables, use cases, and source linksView details

Infographic gallery

Output, stored energy, charging, and portability.

01 · Usable output

12,000W rated output

Battery12,000W / 12,000W

The comparison uses EcoFlow’s published rated and peak, surge, or maximum output figures.

02 · Energy & runtime

Listed capacity

12,288Wh

Published runtime guidance

Runtime depends on stored capacity and connected load

03 · Size & construction

Inverter: 34.5±0.2kg（70.06±0.44 lb）. Battery: 50.5±0.2kg（111.3±0.44 lb）.

Listed weight

Inverter: 675 × 475 × 230 mm (26.6 × 18.7 × 9.06 in.). Battery：660 × 455 × 204 mm (26 × 18 × 8 in.)

Dimensions

Battery or engine
LFP battery system
Warranty
5 years
04 · Charging & continuity

Charging or integration

Rated AC Input Power: 12kW,100/200-120/240V, 50A; PV Input: Total 10kW, 2 ports. 80-500V/15A, 5000W Max Each.

Backup transfer

<10ms standalone, <20ms with Smart Home Panel 3

Noise

Noise level <30 dB at 0.5 m (ambient temperature 25 °C, 4 kW output)

Official product gallery

Product views and factory feature graphics.

The current official image set for DELTA Pro Ultra X includes product views, connection diagrams, feature explanations, and compatible system configurations where EcoFlow publishes them.

EcoFlow DPUX-BUNDLE DELTA Pro Ultra X (1 x Inverter + 2 x Batteries) EcoFlow DELTA Pro Ultra X Whole-Home Backup Power
Published by EcoFlow · image 1 of 10
DELTA Pro Ultra X official EcoFlow image 1
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DELTA Pro Ultra X official EcoFlow image 2
Published by EcoFlow · image 3 of 10
DELTA Pro Ultra X official EcoFlow image 3
Published by EcoFlow · image 4 of 10
DELTA Pro Ultra X official EcoFlow image 5
Published by EcoFlow · image 5 of 10
DELTA Pro Ultra X official EcoFlow image 6
Published by EcoFlow · image 6 of 10
DELTA Pro Ultra X official EcoFlow image 7
Published by EcoFlow · image 7 of 10
DELTA Pro Ultra X official EcoFlow image 8
Published by EcoFlow · image 8 of 10
DELTA Pro Ultra X official EcoFlow image 9
Published by EcoFlow · image 9 of 10
DELTA Pro Ultra X official EcoFlow image 10
Published by EcoFlow · image 10 of 10

Complete specifications

The complete factory data available for comparison.

These pages retain EcoFlow's model-specific output, charging, battery, port, continuity, dimensions, environmental, engine, fuel, app-control, and warranty fields where published.

Follow charging, storage, and installation guidance. Whole-home connections and transfer equipment should be installed according to EcoFlow instructions and applicable electrical codes.

Comparison summary

Battery output
12,000W rated / 12,000W peak or maximum
Stored energy
12,288Wh
Energy source
Rechargeable battery
Dimensions
Inverter: 675 × 475 × 230 mm (26.6 × 18.7 × 9.06 in.). Battery：660 × 455 × 204 mm (26 × 18 × 8 in.)
Listed weight
Inverter: 34.5±0.2kg（70.06±0.44 lb）. Battery: 50.5±0.2kg（111.3±0.44 lb）.
Price and availability
$7,999.00 official listed price; available from EcoFlow

Factory output & connection specifications

Standard Capacity
12.288kWh, 6144Wh x 2
Maximum Capacity with 1 inverter
61.440kWh, 6144Wh x 10
AC Output
12kW, 120/240V, 60Hz. Up to 36kW in 3 parallel units
Maximum Capacity with 3 inverters
184.32kWh, 6144Wh x 30
AC Outlets
NEMA 5-20 (x2) 120V 20A . NEMA L14-30 (x1) 120/240V 30A . NEMA 14-50 (x1) 120/240V 50A . .
Rated AC Input Power
12kW,100/200-120/240V, 50A

Factory charging & battery specifications

Battery Chemistry
LFP
Extra Battery
✓.
PV Input
Total 10kW, 2 ports. 80-500V/15A, 5000W Max Each.
Battery Temperature
Operating&Storage temp: −4°F to 113°F (−20°C to 45°C)

Factory engine, fuel & runtime specifications

Noise Level
Noise level <30 dB at 0.5 m (ambient temperature 25 °C, 4 kW output)

Factory dimensions & operating specifications

Net Weight (lb)
Inverter: 34.5±0.2kg（70.06±0.44 lb）. Battery: 50.5±0.2kg（111.3±0.44 lb）.
Dimension (mm)
Inverter: 675 × 475 × 230 mm (26.6 × 18.7 × 9.06 in.). Battery：660 × 455 × 204 mm (26 × 18 × 8 in.)
Screen
✓
IP Rating
IP54
Inverter Temperature
Operating&Storage temp: −4°F to 122°F (−20°C to 50°C)

Factory ownership, control & protection specifications

Warranty
5 years
UPS
<10ms standalone, <20ms with Smart Home Panel 3

Official feature details

System capability

2. To connect two DELTA Pro Ultra X Inverters, use the EcoFlow Smart Inlet Box Connection Cable (5P8 Port to 5P8 Port) for proper installation

Best-fit uses

  • Whole-home backup planning
  • 120V/240V appliance loads
  • Extended outages
  • Solar and generator integration

Standout features

  • 12,000W rated output
  • 12,000W maximum output
  • 12,288Wh listed capacity
  • LFP

Match capacity and output to your actual loads.

Use the independent calculator before choosing a battery system or generator.

Check my power plan
Sources: EcoFlow DELTA Pro Ultra XEcoFlow productsVerified September 15, 2026

Price & Availability

Compare the whole buying route.

The lowest sticker price is not always the best offer. We rank exact-model seller pages using price, stock, shipping, freshness, returns, and warranty details—then show what is still unknown.

Price and delivered cost

Shipping is included only when the seller publishes a usable amount.

Stock and freshness

Current, low-stock, preorder, and stale records are scored differently.

Purchase protections

Published return and warranty terms improve evidence confidence.

Affiliate-neutral ranking

Commission status is recorded but never adds ranking points.

Watch this model

Save it to your shortlist to retain the current price snapshot and turn price and safety watches on or off.

Best current buying route

EcoFlow DELTA Pro Ultra X

Review soon

Observed price

$7,999

at EcoFlow · Verify stock

Verify offer

Seller options

1

1 with price

Offer rank

57/100

Relative to listed sellers

Data confidence

55%

4 open fields

Delivered totals

0/1

Shipping included

The only verified seller destination. Its listed price is known, but shipping and delivered cost still need confirmation.

Seller data checked Sep 15, 2026.

Shipping not yet verified.

Open fields: confirmed stock, delivered cost, return window, warranty term.

Prices, local stock, shipping, taxes, installation, and seller terms can change. Confirm the exact model and final checkout total before buying. Affiliate disclosure.

Seller comparison

Every verified exact-model destination.

Browse all priced models

One exact-model seller destination is currently verified. We show the unknown fields so a single listing is never presented as a broad market comparison.

EcoFlow

Best overallLowest listed
Review soon

$7,999

Final total at checkout

Availability
Verify stock
Shipping
Shipping not yet verified
Returns
Not verified
Warranty
Not verified
Verify seller

55% data confidence · checked Sep 15, 2026

Price history

A durable record, starting with verified snapshots.

We preserve each dated seller observation instead of replacing the old number. Trends use the lowest verified listed price on each observation date—not an estimated market price.

EcoFlow

$7,999 · Verify stock

Verify offer

Ownership

What living with it looks like.

Ownership is mostly about charge readiness, cable compatibility, storage conditions, and preserving battery health.

Ownership rule

Use the exact EcoFlow DELTA Pro Ultra X manual for maintenance intervals, fluids, storage limits, and warranty requirements. Similar models are not interchangeable.

Open owner’s manual Manufacturer support

Published warranty

5 years

Coverage can vary by use, seller, and region. Confirm eligibility and exclusions before purchase.

Service information

2 official resources

An owner or operator manual is linked below for exact service intervals.

Battery care

Low mechanical upkeep

Plan for charge-state, cable, ventilation, firmware, and storage-temperature checks.

Handling & storage

0.44 lb · Rechargeable battery

Store dry and within the manufacturer’s published temperature and charge-state limits.

Practical care plan

From delivery to long-term readiness

  1. 1

    Day one

    Register and record the exact unit

    Save the receipt, serial number, seller, warranty terms, and all included cables before packaging is discarded.

  2. 2

    First setup

    Confirm charging limits and update status

    Use the official manual to verify every AC, vehicle, and solar input limit. Install firmware updates only through the manufacturer’s supported process.

  3. 3

    Before a trip or outage

    Run a readiness check

    Inspect ports and cables, confirm state of charge, test the intended loads, and make sure the recharge plan still matches the forecasted need.

  4. 4

    During storage

    Protect long-term battery health

    Follow the model manual for storage temperature, ventilation, recharge cadence, and recommended state of charge. Do not use generic battery advice in place of its limits.

Before you buy

Five ownership questions to settle first

  • Confirm that 5 years applies to your seller, region, and intended use.
  • Open the official manual for DELTA Pro Ultra X and review setup, service intervals, warnings, and storage requirements.
  • Verify access to EcoFlow parts, authorized service, and a practical return path in your area.
  • Confirm every charging cable, solar input limit, expansion-battery match, and indoor-use restriction.
  • Confirm the unit, fuel or charging gear, and essential cords fit the intended storage and transport space.
Manuals and compatible accessories Compare seller protections

Evidence

See the proof behind the conclusion.

We separate sourced facts, reproducible calculations, editorial judgments, and missing evidence. That makes every important claim easier to inspect—and harder to overstate.

Published-data coverage

100%documented

8 of 8 relevant evidence fields are documented for this model.

Source-backed editorial analysis—not a hands-on or laboratory test.

Read our evidence standard Explore original market research

Source record

3 traceable sources

Last reviewed Sep 15, 2026

Hands-on testing

Checking ledger…

No manufacturer data is presented as an independent test

Verified owners

Checking reports…

Percentages stay hidden until the sample qualifies

CPSC screening

No model-text match

39 generator recall records screened

100%

Documented fields

3

Traceable sources

4

Reproducible calculations

0

Open evidence gaps

Original calculation

Published surge reserve

0W

12,000W peak − 12,000W running

0% above rated running output. This is arithmetic headroom, not a promise that every motor load will start.

Original calculation

Rated power density

27,272.73 running W/lb

12,000W ÷ 0.44 lb

A catalog-derived portability ratio. It does not account for handles, wheels, shape, or how the weight feels in use.

Original calculation

Listed dollars per Wh

$0.65/Wh

$7,999 ÷ 12,288Wh

A point-in-time catalog value ratio. It excludes tax, shipping, accessories, fuel, service, and battery expansion costs.

Original calculation

Strongest class-relative spec

99th percentile

Running output: 12,000W ranked within 4 high output power stations

Higher than 99% of its class

Claim-by-claim evidence ledger

Evidence typeClaimBasisTrace
Published factSource-backed12,000W running and 12,000W peak output are recorded for this model.Model-specific output fields in the catalog.Official model source
Published factSource-backed12,288Wh of published storage capacity is recorded.Model-specific battery capacity in the catalog.Official model source
Published factSource-backedRechargeable battery power and 0.44 lb product weight are recorded.Published configuration and dimensional data.Official model source
Original calculationReproduciblePublished surge reserve: 0W.12,000W peak − 12,000W runningCalculation standard
Original calculationReproducibleRated power density: 27,272.73 running W/lb.12,000W ÷ 0.44 lbCalculation standard
Original calculationReproducibleListed dollars per Wh: $0.65/Wh.$7,999 ÷ 12,288WhCalculation standard
Editorial judgmentEditorialExceptional in its class for whole-home backup planning & 120v/240v appliance loads.Class score 88/100, declared best use, comparative specifications, and explicit buying cautions.Inspect the score
Editorial judgmentEditorialUsable runtime changes sharply with the load. Size your required watt-hours and recharge plan before buying.Editorial risk check based on product category, weight, output, price availability, and missing fields.Judgment standard

What this evidence cannot prove

  • No Find My Generator hands-on test, instrumented load test, teardown, or long-term ownership trial is claimed for this page.
  • Manufacturer specifications may use different fuels, loads, test distances, temperatures, or operating modes. Cross-brand comparisons inherit those differences.
  • The listed price is a dated snapshot and may not equal the current delivered price.

Editorial analysis for EcoFlow DELTA Pro Ultra X. Source record last verified Sep 15, 2026. Corrections can be submitted through the contact page with a model-specific source.

Ownership resources

Accessories, manuals, and documents.

Start with the exact EcoFlow DELTA Pro Ultra X model or item number. Accessory families can look alike while using different connectors, electrical limits, engines, or mounting points.

Compatible accessories

Match by model and connection.

Verify exact fit

Solar charging equipment

Shop EcoFlow solar panels, charging leads, and adapters intended for its portable-power ecosystem.

Match the connector, solar input voltage, current limit, and maximum input published for DELTA Pro Ultra X.
View official accessory options
Verify exact fit

Expansion battery

Review EcoFlow expansion batteries and required connection cables.

Use only an expansion battery that EcoFlow explicitly lists for DELTA Pro Ultra X; similar-looking ports do not establish compatibility.
View official accessory options
Verify exact fit

Case, cart, or protective cover

Protective and mobility accessories can make storage and transport easier.

Check the listed dimensions and model fit for DELTA Pro Ultra X; do not block cooling inlets or exhaust fans during operation.
View official accessory options

Manuals & PDFs

Official product materials.

Manuals and document lookupSupport pageSearch EcoFlow support materials using the complete model, item, or serial number.Official product pageProduct pageCurrent manufacturer overview, notices, specifications, downloads, and support links.

Compatibility note: Links lead to manufacturer or official retailer resources. Confirm the full model or item number, connector type, voltage, amperage, and published compatibility list before buying. Installation involving a home panel, inlet, transfer switch, or fuel plumbing should be handled as required by local code.

Deeper analysis

Open the details you need

The key decision is above. These supporting scorecards, owner signals, and evidence notes stay out of the way until you want to inspect them.

Fit and score detailsSee the class benchmarks and personalize the fit score for your needs.

Find My Generator score

88/ 100

Exceptional in its class

Compared with 4 high output power stations in the current catalog.

Power83

Running and peak output versus the class

Endurance99

Stored energy versus the class

Portability99

Lower weight scores higher

Fuel flexibility85

Rechargeable, indoor-safe operation

Value67

Output or stored energy per listed dollar

Class comparison

See what each spec really means.

A number is more useful with context. Each row shows this model beside its class median and translates the difference into a percentile.

Running output

Higher than 99% of its class

This model · 12,000W
Median · 7,200W

Peak output

Higher than 67% of its class

This model · 12,000W
Median · 11,400W

Stored energy

Higher than 99% of its class

This model · 12,288Wh
Median · 5,632Wh

Product weight

Lighter than 99% of its class

This model · 0.4 lb
Median · 70 lb

How the score works: Scores use published specs and are relative to comparable products in this catalog. Missing specs are excluded and remaining weights are normalized. Runtime is the longest manufacturer-published figure and may use a different load or fuel than another model.

Size a generator for your own appliances

Starter Fit Score

72/ 100

Good fit

For a 3,000W target and a $1,500 budget.

Above your selected budget

Why it scored this way

A score you can inspect and change.

This personal score is separate from the model’s class score. It measures fit against your priorities and gives neutral partial credit when price or noise data is missing.

Power fit

24.6/35

Clears your 3,000W running target.

Budget fit

4/20

$6,499 above your selected budget.

Fuel fit

15/15

Rechargeable battery works with your flexible fuel preference.

Portability

10/10

0.44 lb against your medium portability priority.

Noise fit

10/10

Battery operation strongly matches your quietness preference.

Use-case fit

8.5/10

Home-backup fit rewards adequate output and fuel flexibility.

Tune my profile
Testing, reviews and evidenceCheck hands-on testing status, owner reliability signals, sources, and data confidence.
Checking the hands-on test ledger…

Testing protocol

The methods behind every result.

This category-specific protocol defines the questions, equipment, conditions, outputs, and safety gates required for this exact model. Published specifications stay visibly separate from hands-on measurements.

Open the hands-on test ledger Read the full test protocol Download measurement worksheet

Manufacturer-published baselines

Rated running output

12,000W

Published

Peak / starting output

12,000W

Published

Published storage capacity

12,288Wh

Published

Product weight

0.44 lb

Published

Published sound level

Not published

Not published

These numbers organize the test plan. They are not independent confirmations.

Model-specific test matrix

Questions the measurements must answer.

01

Planned measurement

Usable AC energy

Pending

How much of DELTA Pro Ultra X’s published storage reaches an AC load?

Charge using the manufacturer procedure, allow temperature stabilization, then discharge through a power analyzer at a fixed low load and again near 50% of rated AC output until normal automatic cutoff.

Delivered WhUsable-capacity percentageTest loadCutoff state
02

Planned measurement

Continuous output & overload behavior

Pending

Can the inverter sustain rated loads and respond predictably to short steps?

Apply a correctly rated programmable or resistive load at 25%, 50%, 75%, and 100% of rated output. Log watts, volts, frequency, temperature, fan behavior, faults, and automatic shutdown.

Sustained wattsVoltage and frequencyThermal behaviorProtection response
03

Planned measurement

AC recharge time & input energy

Pending

How long and how much wall energy does a normal full recharge require?

From normal automatic discharge cutoff, recharge to the manufacturer-defined full state with the included AC method. Log input watts, input Wh, elapsed time, charge mode, and ambient temperature.

0–100% timeInput WhPeak input wattsCharge mode
04

Planned measurement

Fan sound & thermal profile

Pending

When do fans become noticeable and how warm does the enclosure become?

At fixed loads, record A-weighted sound at 1 m and 7 m plus non-contact surface temperatures at defined enclosure points. Publish ambient sound and temperature.

dBA by loadFan-on thresholdSurface temperatureAmbient conditions
05

Planned measurement

Transfer / UPS behavior

Pending

If backup transfer is advertised, what interruption does a representative load experience?

Only when the manufacturer advertises the feature, use an isolated, instrumented load and suitable waveform capture to record transfer interruption and output behavior during repeated loss-and-return events.

Transfer timeWaveform eventLoad typePass-through limits

Controlled conditions

  • Record the exact model, serial number, firmware, sample source, and test date before any measurement.
  • Log ambient temperature, humidity, elevation, wind, surface, and background sound for every test block.
  • Record instrument model, range, accuracy, and most recent calibration or verification date.
  • Repeat timing, starting, and sound measurements three times when conditions allow; publish every valid run.
  • Keep original notes, load logs, meter exports, photos, and any excluded-run explanation with the result.

Required equipment class

  • Rated programmable or resistive AC load
  • Bidirectional watt-hour and power analyzer
  • Calibrated sound-level meter
  • Temperature logger or verified non-contact thermometer
  • Waveform capture equipment when transfer-time claims are tested

Safety gate

Use a noncombustible, ventilated test area with battery-rated emergency procedures; stop for swelling, odor, smoke, leakage, abnormal heat, or impact damage.

Testing is for qualified personnel using correctly rated load equipment and the manufacturer’s required grounding, bonding, clearance, and protective-device instructions.

Never connect a generator directly to building wiring or bypass overload, temperature, battery, GFCI, or carbon-monoxide shutdown protection.

Stop a run for unstable voltage or frequency, overheating, fuel or electrolyte leakage, abnormal sound, damaged wiring, or any manufacturer fault indication.

Badge rule: this product receives no “FMG Tested” label or score benefit until a real unit, instruments, conditions, valid runs, raw records, and limitations are documented under the public protocol.

Verified owner reliability

What happens after the honeymoon period?

Long-term reports from confirmed owners show starting, maintenance, failure, support, and recommendation outcomes for the EcoFlow DELTA Pro Ultra X.

See how ownership is verified

Verified owners only

Be the first confirmed owner to report back.

Checking reports…

Reliability percentages stay hidden until at least 5 ownership-verified reports are published for this exact model — 5 more needed.

Ownership checked

Purchase or registration evidence is reviewed privately.

Time in service

Reports separate new ownership from 12+ month experience.

Failures documented

Repairs and maintenance are captured, not buried in a star.

Reports stay private while ownership and model details are checked. Contact information is never shown publicly.

Data trust & safety

Fresh specifications. Visible recall checks.

We show when this record was verified, where its specifications came from, and whether its model number appears in the official CPSC generator-recall dataset.

Review soon

Specification freshness

Last verified
Sep 15, 2026
Review target
Oct 15, 2026
Primary source
Manufacturer / official listing

Prices can change faster than technical specifications. Always confirm the current price, exact model number, and manual before purchase.

CPSC model screening

No model-number match found

39 records checked
The EcoFlow DELTA Pro Ultra X model text did not match the generator recall records in our current CPSC snapshot. This is a screening result, not a guarantee or safety certification. Recalls can be serial-number specific, newly published, or use a different product description.
Search CPSC directly Dataset checked Sep 16, 2026

Research owner

Founder & lead researcher

Editorial sign-off

Find My Generator Editorial Review

Accountable editor: Andrew Petla

Review scope: exact model identity, published specifications, calculation inputs, source quality, safety language, and affiliate independence. This is an internal editorial review, not third-party engineering, electrical, or safety certification. Hands-on testing is claimed only when a complete test record is published.Request a correction.
Read the full data methodology

Related actions

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