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Head-to-head test

EcoFlow DELTA 3 Ultra vs Jackery HomePower 3600 Plus

The $500 between these two buys more solar input, more rated cycles and a ceiling you can raise later. If you'll use none of those, the cheaper box does everything the dearer one does.

Full profiles: EcoFlow DELTA 3 Ultra β†’ Β· Jackery HomePower 3600 Plus β†’

Written by Gunner GustafsonUpdated

Whole-Home Backup Tester, Station Arena Test Desk

Stack these against 100+ rivals
MethodologyReader-supported β€” we may earn from links (details)

Spec deltas

Capacity
3,072Wh
3,584Wh
Output
3,600W
matched
3,600W
Weight
72.1 lb
77.2 lb
Typical price
$1,399
$1,899
Cost / Wh
$0.46
$0.53
Cycle life
4,000
6,000
Solar input
800W
1,000W
01

Put these two side by side on a garage floor and they'd start exactly the same appliances. Both are rated for 3,600W continuous and 7,200W of surge, the short burst a motor needs to get going. Both are rated to switch to battery in 10ms or less when the grid drops. Both carry five years of warranty, though Jackery's full term depends on registering the unit.

The HomePower 3600 Plus costs $500 more. That buys 512Wh of extra capacity, 2,000 more rated cycles, an expansion port and a higher solar ceiling. It also adds about five pounds.

Most of that comes with conditions. The solar ceiling needs an array you may not own. The extra cycles arrive after year eleven of daily use. The port only matters if your load is heading somewhere 3,072Wh can't follow. Only the capacity comes with no condition, and it's about 17% more.

02

What the Numbers Reveal

Each conclusion stated first β€” the numbers behind it on one line, the full analysis below.

F1

solar input

That gap only decides anything when the daily load is bigger than the box, and the van-life profile is that case. Neither unit gets through it on one charge, so what counts is how much you can put back before dark. With enough panels, the HomePower puts back a quarter more per hour of sun.

The DELTA 3 Ultra accepts 800W of solar input; the HomePower 3600 Plus accepts 1,000WCapacities are 3,072Wh and 3,584WhThe van-life profile draws 4,685Wh a day, which is 179% of the Ultra's usable energy and 154% of the HomePower's

Why it mattersIf you'll live off it on solar every day, the HomePower's input is a real edge. On its own, it isn't worth $500.

F2

Capacity

512Wh is a CPAP night with some left over. Every load profile on this page that the HomePower finishes, the Ultra finishes too.

$1,399 against $1,8993,072Wh against 3,584WhBoth rated 3,600W continuous and 7,200W surgeAn overnight CPAP run needs 320Wh

Why it mattersIf your loads fit inside these profiles, treat the capacity gap as small and the price gap as real.

F3

cost / lifetime kWh

Both warranties end at year five. The extra 2,000 cycles land six years after anyone promised you anything. Most boxes this size sit charged in a garage, waiting for weather.

4,000 cycles against 6,000$0.11 against $0.09 per lifetime kilowatt-hourBoth units carry a five-year warrantyCycled daily, that's 11 years against 16.4

Why it mattersDaily off-grid cycling is the one use where the longer life turns into money.

The specific dimensions that decide these two units β€” everything else is a tie.

Lifetime Value

Selected because: This is where the HomePower earns back part of the $500, with the lower cost per lifetime kilowatt-hour.

cost / lifetime kWh

Per lifetime kilowatt-hour the HomePower comes out at $0.09 against the Ultra's $0.11. Its bigger pack and higher cycle rating add up to 21,504 lifetime kilowatt-hours against 12,288.

Cost per warranty year, the stretch the maker's promise covers, goes the other way. Both terms run five years and the Ultra costs less.

Growth Path

Selected because: The DELTA 3 Ultra is sealed at 3,072Wh and the HomePower isn't.

solar input

The Ultra is sealed at 3,072Wh. It has no expansion port, and the only upgrade is a second unit. The HomePower takes Jackery expansion batteries, so its 3,584Wh is a floor, and reviewers describe it growing into a very large bankB4.

Whether that's worth $500 depends on your next two years more than this one. The van-life day is too much for both. The Ultra's fix is buying another Ultra. The HomePower's fix is adding a battery.

Your Life, Your Pick

Selected because: Five of six load profiles end with both units still holding charge, and the sixth beats both.

Five of six profiles end with both boxes still holding charge, and the closest still leaves the Ultra a fifth of its tank.

Reviewer testing points the same way, with a caveat. It comes from the Ultra Plus, a sibling with the same battery and outputA0. One reviewer ran an eight-hour remote day on a laptop, a desktop workstation and monitors and finished with 40% leftA8.

What the Specs Don't Tell You

Selected because: Four flags fire on this pair, and only the Ultra's fixed capacity should change anyone's mind.

rated cycles

Three of the four flags on this pair shouldn't move you. Five pounds settles nothing when the lighter unit still needs both hands. The warranty terms match. The cycle gap is real, and most owners will never reach it.

Fixed capacity is the one that can bite. With the Ultra, what you buy is the ceiling. If 3,072Wh covers your house on a bad night, sealed means finished. If it doesn't, no saving fixes that. For a grid-tied house that loses power a few times a winter, I'd take the Ultra and keep the money.

Brand Trust

Selected because: Neither company's support is a selling point, so where you buy matters as much as the badge.

Neither company's support is a reason to pick it. EcoFlow's runs hot and cold, from quick prepaid-label replacements to long waits and refurbished units. Jackery draws similar complaints, plus strict receipt rules and first replies that read as scripted. For both, buy from Costco or Amazon and let the retailer's return window do the work.

They differ on software and shelf space. EcoFlow's app rates 4.6 on iOS against Jackery's 2.3 to 3.3, and its subreddit is far larger. Jackery sits on more shelves, at Costco, Home Depot and Best Buy.

Strengths & trade-offs

EcoFlow DELTA 3 Ultra

Strengths

  • +Costs $500 less
  • +Lighter by 5.1 lb

Trade-offs

  • –Sealed capacity β€” the HomePower 3600 Plus can add batteries to grow past 3,072Wh; this one can't.
  • –Shorter-lived battery β€” rated for 4,000 charge cycles vs the HomePower 3600 Plus's 6,000, so it wears out sooner.

Jackery HomePower 3600 Plus

Strengths

  • +Larger battery capacity
  • +Faster solar charging
  • +Rated for 6,000 charge cycles β€” much longer battery lifespan

Trade-offs

  • –Substantially more expensive (+$500) than the DELTA 3 Ultra.
03

Will It Power Your Gear?

Scenario math and per-appliance runtimes, modeled from the spec record.

Scenario verdicts

We ran the math on six real-world scenarios. Here's which unit survives your actual life.

SCN-01 Β· 2 nights Β· needs 2,100Wh

Weekend Camping

Two nights off-grid with essential comfort

HomePower 3600 Plus

The HomePower wins this on margin, using 69% of its usable energy against the Ultra's 80% for the same 2,100Wh weekend. Both finish the trip. If you're home to a wall outlet on Sunday, 80% used is comfortable.

Camping power station guide β†’

Battery budget usedlower = more headroom

LOADΒ Β Phone Charger 15WΓ—6h Β· LED Lights 40WΓ—8h Β· Box Fan 75WΓ—14h Β· CPAP Machine 40WΓ—16h

SCN-02 Β· 8 hours Β· needs 1,645Wh

8-Hour Blackout

Keep the essentials running through a night without power

Either unit

Both get through the evening easily. The Ultra uses 63% of its usable energy and the HomePower 54%, and both still hold more than a third when the lights come back.

Emergency blackout power guide β†’

Battery budget usedlower = more headroom

LOADΒ Β Fridge 150WΓ—8h Β· Router + Modem 20WΓ—8h Β· LED Lights (4 bulbs) 40WΓ—6h Β· Phone Charger 15WΓ—3h

SCN-03 Β· 8 hours Β· needs 320Wh

CPAP Overnight

Sleep therapy without interruption β€” the #1 medical use case

Either unit

Capacity has nothing to say here. A night costs the Ultra 12% of its usable energy and the HomePower 11%. Pick on price or weight.

Battery budget usedlower = more headroom

LOADΒ Β CPAP Machine 40WΓ—8h

SCN-04 Β· 8 hours Β· needs 910Wh

Remote Workday

Full work day off-grid without power anxiety

Either unit

910Wh of laptop, monitor and router uses 35% of the Ultra's usable energy and 30% of the HomePower's. Both could do a second day on what's left. The Ultra's USB-C port is the stronger one for charging a big laptop directly.

Battery budget usedlower = more headroom

LOADΒ Β Laptop 60WΓ—8h Β· External Monitor 30WΓ—8h Β· Router + Modem 20WΓ—8h Β· Phone Charger 15WΓ—2h

SCN-05 Β· 4 hours Β· needs 670Wh

Tailgate Party

Game day power for the crew

Either unit

Both handle game day easily. Since capacity isn't the deciding factor, weight is: at 72.1 lbs the DELTA 3 Ultra is the one you'll be glad you brought. Fan noise under load is worth a listen too β€” it's audible in the lulls between songs.

Battery budget usedlower = more headroom

LOADΒ Β Blender 400WΓ—0.5h Β· LED TV (55") 80WΓ—4h Β· Bluetooth Speaker 15WΓ—4h Β· Phone Charger (Γ—3) 45WΓ—2h

SCN-06 Β· 24 hours Β· needs 4,685Wh

Van Life Daily

A full day of mobile living β€” the ultimate endurance test

Neither unit

Neither covers a full van-life day. 4,685Wh comes to 179% of the Ultra's usable energy and 154% of the HomePower's. The difference is the fix. The HomePower takes expansion batteries, and the Ultra is sealed.

RV & van-life power guide β†’

Battery budget usedlower = more headroom

LOADΒ Β Mini-Fridge 150WΓ—24h Β· Laptop 60WΓ—4h Β· Phone Charger 15WΓ—3h Β· LED Lights 40WΓ—5h Β· Fan 75WΓ—8h

The Load Test

RUNTIME = (Wh Γ— 0.85) Γ· LOAD

None of the scenarios above exactly yours? Build it. Toggle what you'd plug in; both units are tested against the combined draw.

Essentials

Comfort & Convenience

High-Draw Appliances

Test duration

8h

Continuous draw

205W

Projected runtime

DELTA 3 Ultra12.7h
63% of usable battery in 8h
HomePower 3600 Plus14.9h
54% of usable battery in 8h

For this load: HomePower 3600 Plus runs 14.9h vs 12.7h.

Check HomePower 3600 Plus price β†’

$1,899 list Β· direct from Jackery

Planning for more than this? Describe your whole setup and get it sizedΒ β†’

Modeled from the spec record β€” same math as the tables below. Methodology

Runtime by appliance

Real-world runtime estimates for common appliances, modeled at 85% inverter efficiency.ΒΉ

Essentials

The basics you need runningscale 0–203.1h
ApplianceDELTA 3 UltraHomePower 3600 Plus
CPAP Machine40W draw
DELTA 3 Ultra: 65.3h8 full nights
HomePower 3600 Plus: 76.2h9 full nights
Phone Charger15W draw
DELTA 3 Ultra: 174.1h
HomePower 3600 Plus: 203.1h
Router + Modem20W draw
DELTA 3 Ultra: 130.6h
HomePower 3600 Plus: 152.3h
Starlink75W draw
DELTA 3 Ultra: 34.8h
HomePower 3600 Plus: 40.6h
LED Lights (4 bulbs)40W draw
DELTA 3 Ultra: 65.3h
HomePower 3600 Plus: 76.2h
Laptop (Working)60W draw
DELTA 3 Ultra: 43.5h
HomePower 3600 Plus: 50.8h

Comfort & Convenience

Makes off-grid life actually enjoyablescale 0–40.6h
ApplianceDELTA 3 UltraHomePower 3600 Plus
Box Fan75W draw
DELTA 3 Ultra: 34.8h
HomePower 3600 Plus: 40.6h
LED TV (55")80W draw
DELTA 3 Ultra: 32.6h
HomePower 3600 Plus: 38.1h
Mini-Fridge150W draw
DELTA 3 Ultra: 17.4h
HomePower 3600 Plus: 20.3h
Electric Blanket200W draw
DELTA 3 Ultra: 13.1h1 full night
HomePower 3600 Plus: 15.2h1 full night

High-Draw Appliances

These reveal the real limitsscale 0–3h
ApplianceDELTA 3 UltraHomePower 3600 Plus
Coffee Maker1000W draw
DELTA 3 Ultra: 2.6h
HomePower 3600 Plus: 3h
Microwave1200W draw
DELTA 3 Ultra: 2.2h
HomePower 3600 Plus: 2.5h
Space Heater1500W draw
DELTA 3 Ultra: 1.7h
HomePower 3600 Plus: 2h

ΒΉ Runtime = (capacity Γ— 0.85) Γ· appliance watts. Within each group, all bars share one time scale (the group's longest runtime), so lengths are comparable across appliances; identical runtimes collapse into a single blue/orange bar. Actual runtime varies with battery age, temperature, and simultaneous loads β€” see methodology.

Conclusion

October 25, 2026

Verdict: the DELTA 3 Ultra

Take the DELTA 3 Ultra and keep the $500. It matches the HomePower 3600 Plus on continuous power, surge and rated switchover, and it finishes every load profile on this page that the HomePower finishes. The HomePower is the better machine on paper, with more capacity, cycles and solar input, a port to grow through and a lower cost per lifetime kilowatt-hour. Those wins need panels you have to buy, years past the warranty, or a load you don't have yet. If you're building a system, pay the $500. If you're buying a box, buy the cheaper one.

Today the DELTA 3 Ultra is $1,299, $100 under its typical $1,399. The verdict weighs typical prices, not today's. Prices checked 28 days ago.

β– β– β– β– β– β– β–‘β–‘β–‘β–‘6/10

Editor-assigned confidence, based on cited owner research and spec analysis.

List prices as of October 25, 2026. The links below open EcoFlow's and Jackery's current prices.

Check DELTA 3 Ultra price

$1,299.00 Β· direct from EcoFlow

down from $1,399 Β· 7% below usual

Last checked 28 days ago. Prices move β€” check before you buy.

or check the HomePower 3600 Plus price$1,899.00 list

Written by Gunner Gustafson, Whole-Home Backup Tester Β· Station Arena Test Desk Β· Updated October 25, 2026

Black Friday Β· 26 days out

Prices to beat:DELTA 3 Ultra $1,199HomePower 3600 Plus $1,554

The lowest we have recorded for each. A Black Friday price above it is a sale that unit has already had.

Black Friday deals β†’
04

Measured Data

Benchmark scores and the full spec record, side by side.

Benchmark scores

DELTA 3 UltraHomePower 3600 Plus
Overall Power Score
4,710
5,104
UPSResponse & Reliability
4,327
4,583
RV LivingEnergy Density & Output
4,342
4,907
Home BackupCapacity & Resilience
4,798
5,375
Solar GeneratorSolar Input & Efficiency
3,780
4,256
TailgatingOutlets & Portability
3,848
3,839
Food TruckSustained Heavy Output
4,305
4,877

Full specifications

DELTA 3 Ultra
$1,299β˜… our pick
Updated Oct 25
See live price β†’
HomePower 3600 Plus
$1,899
Updated Oct 25
See live price β†’
Capacity (Wh)
3072
3584
Output (W)
3600
3600
Surge Peak
7200W
7200W
AC Outlets
4
4
240V Outlets
0
0
30A RV Outlets
1
1

ᡈ Derived: price Γ· rated capacity. See the data behind our comparisons β†’

Comparison ToolAdd more power stations, side by sideOpen Tool β†’
How these numbers are produced

Numeric verification

Every figure on this page traces to our spec database or arithmetic on it β€” no estimated numbers.

Owner claims

Statements about owner experience are cited to published reviews β€” see Sources & Research Notes below.

Runtime model

Runtime = (rated capacity Γ— 0.85 inverter efficiency) Γ· device wattage. Solar recharge estimates assume panels deliver 70% of rated output. Cold weather, battery age, and stacked loads reduce real-world results.

Power Score

Computed from 14 published spec dimensions, weighted per use-case bench. Higher is better; a unit must meet a bench's minimum threshold to be rated.

See the full weight table and data sourcing on our methodology page β†’

Class ranking (the star rating)

Each unit's star score is a category ranking, not customer reviews β€” no buyer opinions feed it. We score every station on size-independent quality (value, output, portability, endurance, ports, warranty, and more), then percentile-rank it against the other units in its capacity class, so a class-leading compact unit and a class-leading whole-home unit can both earn 5β˜…. Here, DELTA 3 Ultra rates 4.7/5 (85th percentile of 28 Large-class units), and HomePower 3600 Plus rates 4.0/5 (42nd percentile of 20 Home Backup-class units).

How the class ranking is computed β†’

Test Notes & Caveats

Hidden gotchas and advantages we spotted that you won't find on the product page.

[NOTE]

Five Pounds Apart, Both Two-Handed

The DELTA 3 Ultra is 72.1 lb and the HomePower 3600 Plus is 77.2. The lighter one still means bent knees, both hands, and nobody carrying it down basement stairs alone. Decide where it will live before you buy it.

[NOTE]

The DELTA 3 Ultra Is Sealed at 3,072Wh

There's no expansion port on the Ultra, so outgrowing it means a second unit rather than an added battery. It's the strongest reason to spend the extra $500 on the HomePower, which grows past its 3,584Wh.

[NOTE]

Warranty: No Difference

Both units carry the same 5-year warranty, so coverage isn't a tiebreaker here. The HomePower 3600 Plus's figure is a maximum rather than a guarantee β€” it depends on registering the unit with Jackery, which is what extends the base term to the full period. Worth saying because the per-dollar framing can suggest otherwise: the DELTA 3 Ultra works out at 3.6 years of cover per $1,000 spent against the HomePower 3600 Plus's 2.6, but that spread is the price gap, not the terms.

[NOTE]

The Cycles You'll Actually Reach

4,000 cycles against 6,000. Cycle either one every day and that's 11 years against 16.4. Cycle it on weekends and it's 38.5 years against 57.7, by which point the battery may outlast the garage it sits in.

Full record above β€” the Test Desk pick is the DELTA 3 Ultra.

Check DELTA 3 Ultra price β†’or check the HomePower 3600 Plus price
05

Ownership Analysis

What happens after you buy β€” true cost of ownership, brand trust, and growth potential.

Lifetime value

DELTA 3 UltraHomePower 3600 Plus

β”‚ warranty ends Β· Reaching the cycle rating means ~80% capacity remains β€” degraded, not dead.

DELTA 3 Ultra
HomePower 3600 Plus
Purchase price
$1,299.00
$1,899.00
Lifetime energy delivered
12,288 kWh
21,504 kWh
Cost per lifetime kWh
$0.11
$0.09
Cost per warranty year
$280/yr
$380/yr
Battery lifespan
11yr daily Β· 38.5yr weekends Β· 76.9yr weekly
16.4yr daily Β· 57.7yr weekends Β· 115.4yr weekly

Analyst note

The DELTA 3 Ultra is cheaper to buy, but the HomePower 3600 Plus is cheaper to own. At $0.09/kWh over its lifetime vs $0.11/kWh, the HomePower 3600 Plus's higher cycle life and capacity make each dollar go further over the years.

Brand trust

EcoFlow

Ecosystem

Largest in portable power β€” 12-15 models across DELTA Pro, DELTA 3, and RIVER 3 series, plus solar panels and smart home panels

Support

US-based phone/email/chat support (1-800-368-8604). Experiences are polarized β€” many report hassle-free prepaid-label replacements, but others report long waits and refurbished units sent for new claims. Pro tip: buying from Costco or Amazon gives you a stronger return safety net.

Community

Largest community in the space β€” Reddit r/Ecoflow_community (~31K members), multiple Facebook groups, and an official community forum

App experience

Rated 4.6/5 iOS (~8,400 ratings) Β· 4.2/5 Android (~17,000 ratings)

Unique strength

Fastest-charging technology (X-Stream), deepest product ecosystem, and most active innovation cadence. At the top of the range sit two whole-home paths: the TITAN line, one 5 kWh unit that grows to 30 kWh, and the DELTA Pro Ultra platform, which stacks batteries and inverters further β€” flagship paths, not line-wide features.

Worth knowing

Tested subscription paywalls for advanced app features in early 2025 before community backlash paused the plan. No parts or service offered out of warranty.

All EcoFlow power stations tested β†’

Jackery

Ecosystem

12-15+ models across Explorer (portable) and HomePower (home backup) series, plus SolarSaga panel ecosystem and innovative form factors

Support

US-based support but widely criticized. Reddit reports describe slow/dismissive responses, scripted AI agents, strict receipt requirements for warranty claims, and refurbished replacements for clearly defective units. Strongly recommended: buy from Costco or Amazon for return protection.

Community

Smallest community of the major brands β€” Reddit r/Jackery has ~2,000 members. YouTube presence is solid due to brand recognition.

App experience

Rated 2.3-3.3/5 iOS and Android β€” the weakest app experience of the major brands. Multiple confusing apps (Jackery app vs Jackery Home) and mandatory login even offline.

Unique strength

Highest brand recognition and widest retail distribution (Costco, Home Depot, Best Buy, Amazon). The "Toyota" of power stations β€” dependable, proven, wide availability. Innovative form factors like the Solar Gazebo and Solar Mars Bot.

Worth knowing

A couple of older models still ship NMC chemistry with a shorter rated lifespan, so check the cycle rating on the specific unit β€” though most of the current line has moved to LFP. Generally perceived as overpriced for the specs offered compared to newer competitors. App experience is significantly behind rivals.

All Jackery power stations tested β†’

Analyst note

EcoFlow and Jackery are close competitors. Both have established support channels and growing ecosystems. Compare their specific warranty terms and community size for your peace of mind.

Growth path

DELTA 3 Ultra

FIXED CAPACITY

Fixed at 3,072Wh β€” a sealed, complete system rather than a starting point. There's no expansion port, so that figure is the ceiling: check it against your longest unplugged stretch before you buy.

Accepts up to 800W of solar. Suitable for a 1-2 panel setup.

Adequate ports for most setups, but heavy users may want a power strip.

HomePower 3600 Plus

EXPANDABLE

Supports Jackery expansion batteries, so you can add capacity later without replacing the base unit β€” useful if your needs may climb past 3,584Wh.

Accepts up to 1,000W of solar. Enough for a serious multi-panel array.

Adequate ports for most setups, but heavy users may want a power strip.

Expansion batteries are Jackery-specific. You're investing in the Jackery ecosystem.

DELTA 3 UltraHomePower 3600 Plus

Analyst note

The DELTA 3 Ultra is sealed at 3,072Wh, which is fine if that covers you. The HomePower 3600 Plus starts at 3,584Wh and can grow beyond it with Jackery expansion batteries β€” real headroom the DELTA 3 Ultra doesn't have if your needs climb toward partial-home backup.

06

What Owners Report

Patterns from published owner reports and long-term reviews β€” every claim cited to its source below.

EcoFlow DELTA 3 Ultra

The field record on the plain Ultra is thin. Our researcher found that most of it reviews the Ultra Plus, a sibling with the same battery, output and chassisA0. Read it as character rather than proof. One reviewer found it quiet even with the inverter pushed hard, and quieter than older EcoFlow unitsA1A2. Another pulled the wall plug and saw no dips or shutoffsA5A6. Build quality reads as solid, down to the sliding covers on the rear portsA9A15.

The complaints are small. One reviewer had to cup their hands over the screen to read it in direct sunA11. Nothing structural has surfaced, which says less than it sounds when the whole record is bench work.

β€œEven when you're pushing it hard, the DELTA 3 Ultra Plus runs much quieter than older EcoFlow models, like the DELTA 2 Max.”
β€” thesolarlab.com β€” EcoFlow DELTA 3 Ultra Plus Review: The Ultimate DELTA?, 2025-09/10 (approx)

Sources

thesolarlab.com Β· postperspective.com Β· appleinsider.com Β· digitaltrends.com Β· popsci.com

Jackery HomePower 3600 Plus

One owner rode out a three-day regional blackout on the HomePower, running a fridge, a microwave, string lights, fans and a CPAP for two straight days on one chargeB3. That's one account. The steady praise across the coverage is unexciting in the best way: EV-grade cells rated for 6,000 cycles, built-in wheels and a pull handle, and quiet operationB1B2B4. It holds 4.5 out of 5 on AmazonB4.

β€œEV-grade LiFePO4 battery rated for 6,000 cycles, giving well over a decade of service life.”
β€” jackery.com / batteryskills.com β€” HomePower 3600 Plus review, 2026

Sources

jackery.com Β· batteryskills.com Β· poweraic.com Β· tipselite3s.com Β· greattips3s.com Β· powerelectrichub.com

Sources & Research Notes

Every owner claim in this report is traceable to a published source. The bracketed references above resolve here.

Recurring owner themes

  • Reviewers consistently praise the quiet fan operation of the Ultra-tier unit compared to older EcoFlow models, though this is described in professional test conditions rather than long-term ownership. [DELTA 3 Ultra Β· 2 entries]
  • UPS/switchover performance is repeatedly called seamless with no observed dips or shutdowns during power interruption tests. [DELTA 3 Ultra Β· 3 entries]
  • The unit's substantial 74 lb weight is flagged across multiple reviews as a portability drawback, mitigated somewhat by wheels and handle design. [DELTA 3 Ultra Β· 2 entries]
  • Build quality/durability (casing, cable, port covers) is repeatedly highlighted as premium and well-engineered. [DELTA 3 Ultra Β· 2 entries]
  • Light weight (with wheels), a 6,000-cycle EV-grade battery, quiet reliable operation, and strong owner ratings are the standout praise. [HomePower 3600 Plus Β· 3 entries]
  • A1

    β€œEven when you're pushing it hard, the DELTA 3 Ultra Plus runs much quieter than older EcoFlow models, like the DELTA 2 Max.”

    thesolarlab.com β€” EcoFlow DELTA 3 Ultra Plus Review: The Ultimate DELTA? Β· 2025-09/10 (approx) Β· [positive]

  • A2

    β€œEven when you're pushing the inverter to its maximum output, the fans never become annoying or distracting.”

    thesolarlab.com β€” EcoFlow DELTA 3 Ultra Plus Review: The Ultimate DELTA? Β· 2025-09/10 (approx) Β· [positive]

  • A5

    β€œOver my career I have become accustomed to APC batteries immediately switching on when there is a power hit or power shut-off, and the EcoFlow Delta 3 Ultra Plus works in the exact same way.”

    postperspective.com β€” Review: EcoFlow Delta 3 Ultra Plus Portable Power Station Β· 2026-04 Β· [positive]

  • A6

    β€œI didn't experience any shut-offs or dips when I unplugged the EcoFlow from the wall.”

    postperspective.com β€” Review: EcoFlow Delta 3 Ultra Plus Portable Power Station Β· 2026-04 Β· [positive]

  • A8

    β€œI was able to work remotely for an eight-hour day with 40% power left, which included running my laptop, desktop workstation and monitors.”

    postperspective.com β€” Review: EcoFlow Delta 3 Ultra Plus Portable Power Station Β· 2026-04 Β· [positive]

  • A9

    β€œIt does not feel cheap or fragile. Everything from the outer shell case to the plastic buttons and the AC cable feels substantial and durable enough to withstand day-to-day wear and tear.”

    appleinsider.com β€” EcoFlow Delta 3 Ultra Plus review: Premium, but solid power Β· 2025-11-16 Β· [positive]

  • A11

    β€œBut, while facing the sun, I had to employ the classic "cup hands cover" maneuver to get a clear look at the screen status.”

    appleinsider.com β€” EcoFlow Delta 3 Ultra Plus review: Premium, but solid power Β· 2025-11-16 Β· [negative]

  • A15

    β€œI really love how the rear panel doors for the input ports slide into protective slots when in use.”

    popsci.com β€” EcoFlow DELTA 3 portable power station series first impressions Β· 2025-09-29 Β· [positive]

  • B1

    β€œEV-grade LiFePO4 battery rated for 6,000 cycles, giving well over a decade of service life.”

    jackery.com / batteryskills.com β€” HomePower 3600 Plus review Β· 2026 Β· [positive]

  • B2

    β€œAbout 77 lbs with built-in wheels and a pull handle for easy mobility β€” light and manageable for a 3.6kWh-class unit.”

    jackery.com / poweraic.com β€” HomePower 3600 Plus review Β· 2026 Β· [positive]

  • B3

    β€œIn a three-day regional blackout, one owner ran a fridge, a microwave, string lights, fans, and a CPAP machine for two straight days on a single charge.”

    tipselite3s.com / greattips3s.com β€” HomePower 3600 Plus owner review Β· 2026 Β· [positive]

  • B4

    β€œHolds a 4.5-out-of-5 rating on Amazon, with customers consistently praising ease of use, quiet operation, and reliable performance; expandable to a very large bank.”

    batteryskills.com / powerelectrichub.com β€” HomePower 3600 Plus review Β· 2026 Β· [positive]

Research compiled October 25, 2026.

07

Who Should Buy Which

Buy the DELTA 3 Ultra if you…

  • β†’You're buying a blackout box for a house that stays on the grid: the fridge, some lamps, the router and phones. The Ultra covers that night and costs $500 less.
  • β†’You charge from the wall or a modest panel setup. With 800W of panels or less, both take in the same watts.
  • β†’3,072Wh already covers your worst night, and you'd rather not pay for headroom you won't use.

This is you β€” check the DELTA 3 Ultra price

Buy the HomePower 3600 Plus if you…

  • β†’You already own serious solar and want the 1,000W input to use it.
  • β†’You're building toward partial-home backup. 3,584Wh with a port is a starting point. 3,072Wh is a finish line.
  • β†’You'll cycle it close to daily for more than a decade, which is where 6,000 cycles pay back.

This is you β€” check the HomePower 3600 Plus price

If neither fits

If your daily draw looks like the van-life profile, neither of these gets through a day on one charge. Start with a system sized above that draw, or one you can stack from day one. If your heaviest night is a CPAP, a laptop and some phones, both are far more battery than you need.

08

The Bottom Line

Take the DELTA 3 Ultra. It has the same continuous power, the same surge and the same rated switchover. The $500 you keep is the most certain number in this comparison.

Everything it would have bought depends on a solar array, more than a decade of daily cycling, or a capacity need you don't have yet. If one of those describes you, the HomePower is worth the money.

09

Frequently Asked Questions

Answers drawn from the spec record and cited owner research.

Is the Jackery HomePower 3600 Plus worth $500 more than the EcoFlow DELTA 3 Ultra?

Only if you'll use one of the three things it adds: 1,000W of solar input, the expansion port, or 6,000 cycles instead of 4,000. If you charge from the wall, 3,072Wh covers your loads, and you won't cycle it daily for more than a decade, the $500 mostly buys 512Wh. Both units put out 3,600W continuous and 7,200W of surge, so there's no appliance one starts and the other won't.

How much solar can the EcoFlow DELTA 3 Ultra actually take?

800W, and that's a hard ceiling however many panels you connect. From empty that's just under four hours of strong, clear sun for a full refill. The HomePower 3600 Plus takes 1,000W and needs about 3.6 hours for its larger 3,584Wh. If you refill from a wall outlet, the difference never shows up.

Can either of these run a house during a blackout?

Part of one, for an evening. The eight-hour blackout profile on this page draws 1,645Wh for a fridge, lights, a router and phones. That's 63% of the Ultra's usable energy and 54% of the HomePower's, so both finish with room. Neither runs a full day of heavy whole-home load on one charge.

Which one switches over faster in an outage?

Neither, on paper. Both are rated to switch to battery in 10ms or less when the grid drops. That figure is each maker's ceiling, not a measured result.

Which one is better for a CPAP?

Either. A night uses 12% of the Ultra's usable energy and 11% of the HomePower's, so capacity doesn't separate them. Buy on price or weight.

Does the EcoFlow DELTA 3 Ultra expand?

No. It's sealed at 3,072Wh with no expansion port, so adding capacity means buying a second unit. The HomePower 3600 Plus accepts Jackery expansion batteries beyond its 3,584Wh.

Check DELTA 3 Ultra price β†’

Where to buy

DELTA 3 Ultra

EcoFlow DELTA 3 UltraPick

$1,299.00

Check current price

$1,299.00 Β· direct from EcoFlow

down from $1,399 Β· 7% below usual

Last checked 28 days ago. Prices move β€” check before you buy.

HomePower 3600 Plus

Jackery HomePower 3600 Plus

$1,899.00

Check current price

$1,899.00 Β· direct from Jackery

Last checked 28 days ago. Prices move β€” check before you buy.

Prices may vary by retailer and are subject to change.