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Head-to-head test

EcoFlow DELTA Pro 3 vs Jackery HomePower 3600 Pro Max

The Jackery clears every blackout, campsite, and CPAP night the EcoFlow does for $1,400 less and about 38 pounds lighter, so the whole decision collapses to one question: when the battery's flat, are you refilling it from the wall or from the sun?

Written by Gunner GustafsonUpdated

Whole-Home Backup Tester, Station Arena Test Desk

Stack these against 100+ rivals
MethodologyReader-supported — we may earn from links (details)
EcoFlow DELTA Pro 3 Portable Power Station

EcoFlow

DELTA Pro 3

4,096Wh4,000W112.4 lb

5,190Power Score · The AC & Fridge Zone

Check price →

$2,799.00 · direct from EcoFlow

Last checked 6 days ago. Prices move — check before you buy.

Jackery HomePower 3600 Pro Max Portable Power Station

Jackery

HomePower 3600 Pro Max

3,584Wh4,000W73.9 lb

5,159Power Score · The AC & Fridge Zone

Check price →

$2,099.00 · direct from Jackery

Last checked 6 days ago. Prices move — check before you buy.

Spec deltas

Capacity
4,096Wh
3,584Wh
Output
4,000W
matched
4,000W
Weight
112.4 lb
73.9 lb
Typical price
$2,799
$2,099
Cost / Wh
$0.68
$0.59
Cycle life
4,000
6,000
Solar input
2,000W
1,200W
01

Fourteen hundred dollars separates these two, and the cheaper one is also the lighter one and the longer-lived one. The Jackery HomePower 3600 Pro Max lists at $1,799; the EcoFlow DELTA Pro 3 at $3,199. For that premium the EcoFlow hands you 512 more watt-hours (4,096 against 3,584) and a real solar advantage, and, in the scenarios most people actually buy these for, not much else you'll feel.

Here's the part that reorders the matchup: the Jackery is rated for 6,000 charge cycles to the EcoFlow's 4,000, so the smaller pack actually banks more energy over its life, not less. Price that in and you land at roughly eight cents per lifetime kilowatt-hour against the EcoFlow's twenty. Read that once and you're done. The EcoFlow is the expensive one to own, and much of this page is a footnote to it.

So why would anyone pay the premium? Recharge. The DELTA Pro 3 takes up to 2,000W of solar and reviewers clock its wall charging as blackout-fastA3. The Jackery, a brand-new 2026 SKU, lists no solar input at all, and its headline whole-home transfer switch is still drawing pointed questions from early field reportsB1B4B6. If you have grid to refill from, that gap won't touch you. If you don't, it's the only thing that matters.

02

What the Numbers Reveal

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

F1

rated cycles

So the $1,400 premium doesn't buy more energy over the unit's life; it buys 5,120 kWh less of it. The EcoFlow has to justify itself somewhere other than the ledger, because on stored energy per dollar it loses outright.

EcoFlow: 4,096Wh across 4,000 rated cyclesJackery: 3,584Wh across 6,000 rated cyclesEcoFlow $3,199 vs Jackery $1,799

Why it mattersIf you're optimizing total cost of ownership, the Jackery settles it before the other specs get a vote.

F2

Capacity

What separates them in that hardest case isn't capacity, it's refill. The DELTA Pro 3 pulls up to 2,000W from panels to top up midday; the Jackery lists no solar input, and the one owner remark about its solar at all is a complaint that the connector is proprietary rather than the standard XT60B3. Capacity is a red herring here. Recharge is the whole ballgame.

EcoFlow 4,096Wh vs Jackery 3,584Wh (512Wh more)5 of 6 scenarios both units clear; Van Life Daily at 4,685Wh neither clearsEcoFlow solar input up to 2,000W; Jackery lists no solar input

Why it mattersBuyers who never exceed one charge (nearly all home-backup use) can ignore the capacity gap and pocket the $1,400; off-grid buyers should read 'solar' as the only spec that matters.

F3

Fridge, well-pump, and AC compressors spike two to three times their running draw at startup, and that spike is what trips an inverter, not the steady load. The Jackery's wider surge margin is exactly the reserve that decides whether a 900W well pump spins up or just clicks.

Both rated 4,000W continuous outputJackery 8,000W surge vs EcoFlow 6,000W surgeSurge-to-continuous ratio: Jackery 2.0x, EcoFlow 1.5x

Why it mattersIf your backup list includes a deep-well pump or a big compressor fridge, the cheaper unit is also the one more likely to start it.

The specific dimensions that decide these two units — everything else is a tie.

Lifetime Value

Selected because: cheaperToOwn=p2 by a wide margin; the headline of the whole matchup.

cost / lifetime kWh

The warranty is identical, five years each, but that's the floor, not the story. Rated cycle life puts the Jackery at 6,000 charges and the EcoFlow at 4,000, and cycled hard the Jackery's math works out to $360 per warranty year against the EcoFlow's $640. The cheaper unit is cheaper at every horizon: sticker, cost per lifetime kilowatt-hour, and cost per year of coverage. There is no timeframe on which the EcoFlow's ownership cost pulls ahead.

Your Life, Your Pick

Selected because: 5 of 6 both-handle, 1 neither; proves the capacity edge is invisible in practice.

Run the six loads and a pattern jumps out. In five of them (weekend camping at 2,100Wh, an eight-hour blackout at 1,645Wh, a CPAP night at 320Wh, a remote workday at 910Wh, a tailgate at 670Wh) both units finish with charge left. The EcoFlow sits a few points lower on the fuel gauge each time because it holds more, but headroom you didn't need isn't a feature you paid $1,400 for.

The sixth load, van life at 4,685Wh a day, neither unit covers on a single charge; the EcoFlow's bigger tank still comes up short. That's precisely where daily solar recharge stops being optional. For anything short of it, the capacity difference is invisible.

Portability & Form Factor

Selected because: 38.5 lb gap is a real, felt Jackery advantage for anyone who moves the unit.

weight

The EcoFlow is 112.4 pounds; the Jackery, 73.85. Both are two-person lifts on paper, but 38 pounds is the difference between a box one determined adult can wrestle onto a cart and one that genuinely pins you if you try it solo. A review hands-on put the Jackery at a two-people-into-a-pickup liftB8, which is true and still the one you'd rather carry.

If either lives on a garage shelf and only moves during an outage, weight is a footnote. If it rides to campsites and job sites, those 38 pounds compound on every single trip.

Growth Path

Selected because: The one honest reason to pay up for EcoFlow: 2,000W solar vs unlisted for off-grid.

solar input

Here's where the Jackery's price stops looking free. Both units expand with stackable batteries, but the DELTA Pro 3 takes up to 2,000W of solar and slots into EcoFlow's much larger ecosystem, while the Jackery lists no solar input and the lone owner remark about its solar is a complaint that the connector is proprietary rather than the industry-standard XT60B3.

For a home-backup unit that lives on grid power, that's a shrug; you refill from the wall between outages. For an off-grid cabin or a multi-day grid-down stretch, it's the ballgame. The EcoFlow can harvest its own power indefinitely, and the Jackery, once drained, waits for a wall that may not be coming back. That's the one clean reason to pay the EcoFlow premium, and it's a real one.

Brand Trust

Selected because: Cross-brand; proven EcoFlow ecosystem vs new-SKU Jackery with a weak app.

EcoFlow runs the biggest ecosystem in portable power and the most active one: a dozen-plus models, the deepest expansion path, and the fastest charging tech in the class. That scale cuts both ways. Support experiences are polarized, and there's a 2025 recall on a different model, the DELTA Max 2000, worth knowing about before you buy into the brand.

Jackery is the Costco-aisle name, with the widest retail distribution and the easy return safety net that comes from buying where you can walk it back. The catch is the software: Jackery's app is the lowest-rated of the major brands, with a mandatory login even when you're offline. Neither brand's support is a selling point, so if that worries you, buy either one from a retailer with a generous return window and let the store be your warranty.

Strengths & trade-offs

EcoFlow DELTA Pro 3

Strengths

  • +Larger battery capacity
  • +Faster solar charging

Trade-offs

  • Substantially more expensive (+$700) than the HomePower 3600 Pro Max.
  • Significantly heavier (+38.6 lbs), making it harder to move.
  • Very heavy unit that may be difficult for one person to lift.
  • Shorter-lived battery — rated for 4,000 charge cycles vs the HomePower 3600 Pro Max's 6,000, so it wears out sooner.

Jackery HomePower 3600 Pro Max

Strengths

  • +Costs $700 less
  • +Lighter by 38.6 lb
  • +Rated for 6,000 charge cycles — much longer battery lifespan

Trade-offs

  • No major technical downsides compared to rival.
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 · 2 nights · needs 2,100Wh

Weekend Camping

Two nights off-grid with essential comfort

HomePower 3600 Pro Max

The DELTA Pro 3 at 112 lbs is not a take-along — it rolls off a truck bed if it travels at all, so this scenario belongs to the HomePower 3600 Pro Max by default — and it earns it, covering the 2,100Wh with 946Wh to spare. Capacity was never the DELTA Pro 3's problem here; getting to a campsite was.

Camping power station guide

Battery budget usedlower = more headroom

LOAD  Phone Charger 15W×6h · LED Lights 40W×8h · Box Fan 75W×14h · CPAP Machine 40W×16h

SCN-02 · 8 hours · needs 1,645Wh

8-Hour Blackout

Keep the essentials running through a night without power

Either unit

Both survive the blackout with similar margin, and both list a UPS mode — compare their stated switchover classes, and remember those are manufacturer ratings, not measurements.

Emergency blackout power guide

Battery budget usedlower = more headroom

LOAD  Fridge 150W×8h · Router + Modem 20W×8h · LED Lights (4 bulbs) 40W×6h · Phone Charger 15W×3h

SCN-03 · 8 hours · needs 320Wh

CPAP Overnight

Sleep therapy without interruption — the #1 medical use case

Either unit

A CPAP is about 40W for eight hours, so both cover the night many times over and the capacity margin is a formality. They're also within a decibel or two of each other, so the one thing that would separate them doesn't. Buy whichever is cheaper or easier to carry.

Battery budget usedlower = more headroom

LOAD  CPAP Machine 40W×8h

SCN-04 · 8 hours · needs 910Wh

Remote Workday

Full work day off-grid without power anxiety

Either unit

Both power your workstation all day without strain, and their USB-C output is a wash — pick on weight, ports, or price.

Battery budget usedlower = more headroom

LOAD  Laptop 60W×8h · External Monitor 30W×8h · Router + Modem 20W×8h · Phone Charger 15W×2h

SCN-05 · 4 hours · needs 670Wh

Tailgate Party

Game day power for the crew

HomePower 3600 Pro Max

The DELTA Pro 3 at 112 lbs is not a take-along — it rolls off a truck bed if it travels at all, so this scenario belongs to the HomePower 3600 Pro Max by default — and it earns it, covering the 670Wh with 2,376Wh to spare. Capacity was never the DELTA Pro 3's problem here; getting to a tailgate was.

Battery budget usedlower = more headroom

LOAD  Blender 400W×0.5h · LED TV (55") 80W×4h · Bluetooth Speaker 15W×4h · Phone Charger (×3) 45W×2h

SCN-06 · 24 hours · needs 4,685Wh

Van Life Daily

A full day of mobile living — the ultimate endurance test

Neither unit

Van Life Daily asks for about 4,685Wh a day, and neither of these covers it on a single charge: the EcoFlow lands at 135% of its capacity, the Jackery at 154%. So this isn't a capacity contest, it's a recharge contest, and that's the one axis where they genuinely diverge. The DELTA Pro 3 can pull the shortfall back from the sun during the day, while the Jackery's daily refill leans on shore power. Living in the van full-time, that difference decides it.

RV & van-life power guide

Battery budget usedlower = more headroom

LOAD  Mini-Fridge 150W×24h · Laptop 60W×4h · Phone Charger 15W×3h · LED Lights 40W×5h · Fan 75W×8h

The Load Test

RUNTIME = (Wh × 0.85) ÷ 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 Pro 317h
47% of usable battery in 8h
HomePower 3600 Pro Max14.9h
54% of usable battery in 8h

For this load: DELTA Pro 3 runs 17h vs 14.9h.

Check DELTA Pro 3 price →

$2,799 list · direct from EcoFlow

Modeled from the spec record — same math as the tables below. Methodology

Runtime by appliance

Real-world runtime estimates for common appliances, modeled at 85% inverter efficiency.¹

Essentials

The basics you need runningscale 0–232.1h
ApplianceDELTA Pro 3HomePower 3600 Pro Max
CPAP Machine40W draw
DELTA Pro 3: 87h10 full nights
HomePower 3600 Pro Max: 76.2h9 full nights
Phone Charger15W draw
DELTA Pro 3: 232.1h
HomePower 3600 Pro Max: 203.1h
Router + Modem20W draw
DELTA Pro 3: 174.1h
HomePower 3600 Pro Max: 152.3h
Starlink75W draw
DELTA Pro 3: 46.4h
HomePower 3600 Pro Max: 40.6h
LED Lights (4 bulbs)40W draw
DELTA Pro 3: 87h
HomePower 3600 Pro Max: 76.2h
Laptop (Working)60W draw
DELTA Pro 3: 58h
HomePower 3600 Pro Max: 50.8h

Comfort & Convenience

Makes off-grid life actually enjoyablescale 0–46.4h
ApplianceDELTA Pro 3HomePower 3600 Pro Max
Box Fan75W draw
DELTA Pro 3: 46.4h
HomePower 3600 Pro Max: 40.6h
LED TV (55")80W draw
DELTA Pro 3: 43.5h
HomePower 3600 Pro Max: 38.1h
Mini-Fridge150W draw
DELTA Pro 3: 23.2h
HomePower 3600 Pro Max: 20.3h
Electric Blanket200W draw
DELTA Pro 3: 17.4h2 full nights
HomePower 3600 Pro Max: 15.2h1 full night

High-Draw Appliances

These reveal the real limitsscale 0–3.5h
ApplianceDELTA Pro 3HomePower 3600 Pro Max
Coffee Maker1000W draw
DELTA Pro 3: 3.5h
HomePower 3600 Pro Max: 3h
Microwave1200W draw
DELTA Pro 3: 2.9h
HomePower 3600 Pro Max: 2.5h
Space Heater1500W draw
DELTA Pro 3: 2.3h
HomePower 3600 Pro Max: 2h

¹ Runtime = (capacity × 0.85) ÷ 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 — see methodology.

Conclusion

July 18, 2026

Verdict: the HomePower 3600 Pro Max

Take the Jackery HomePower 3600 Pro Max unless you recharge off-grid. It costs $1,400 less, weighs about 38 pounds less, and is rated for 6,000 cycles against the EcoFlow's 4,000, which drops its lifetime cost per kilowatt-hour to under half the EcoFlow's. Across the five everyday scenarios we run (camping, blackout, CPAP, remote work, tailgate), both units clear the load with charge to spare, so the EcoFlow's extra 512Wh changes nothing you'd feel. The one place it flips is recharge: the DELTA Pro 3 takes up to 2,000W of solar and has a proven fast-charging recordA3, while the Jackery lists no solar input and its headline whole-home transfer switch still draws pointed questions from early reportsB1B4B6. Grid at your back, buy the Jackery; sun as your only outlet, buy the EcoFlow.

Cost to ownHomePower 3600 Pro Max$0.10 vs $0.17 /lifetime-kWh
Cycle lifeHomePower 3600 Pro Max6,000 vs 4,000 cycles
Sticker priceHomePower 3600 Pro Max$2,099 vs $2,799
PortabilityHomePower 3600 Pro Max73.9 vs 112.4 lb
Solar inputDELTA Pro 32,000W vs 1,200W
■■■■■■■□□□7/10

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

List prices as of July 18, 2026. The links below open EcoFlow's and Jackery's current prices.

Check HomePower 3600 Pro Max price

$2,099.00 · direct from Jackery

Last checked 6 days ago. Prices move — check before you buy.

or check the DELTA Pro 3 price$2,799.00 list

Written by Gunner Gustafson, Whole-Home Backup Tester · Station Arena Test Desk · Updated July 18, 2026

04

Measured Data

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

Benchmark scores

DELTA Pro 3HomePower 3600 Pro Max
Overall Power Score
5,190
5,159
RV LivingEnergy Density & Output
5,124
5,003
Home BackupCapacity & Resilience
5,439
5,430
Solar GeneratorSolar Input & Efficiency
4,456
4,338
Food TruckSustained Heavy Output
5,082
4,951

Not rated for both units (minimum threshold unmet): UPS, Tailgating.

Full specifications

DELTA Pro 3
$2,799
See live price →
HomePower 3600 Pro Max
$2,099★ our pick
See live price →
Capacity (Wh)
4096
3584
Output (W)
4000
4000
Surge Peak
6000W
8000W (240V)
AC Outlets
5
3
USB-C Charging Outputs
100W
100W
Solar Input (W)
2000
1200

ᵈ Derived: price ÷ rated capacity. See the data behind our comparisons →

Comparison ToolAdd more power stations, side by sideOpen Tool →
How these numbers are produced

Numeric verification

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

Owner claims

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

Runtime model

Runtime = (rated capacity × 0.85 inverter efficiency) ÷ 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 →

Class ranking (the star rating)

Each unit's star score is a category ranking, not customer reviews — 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 5★. Here, DELTA Pro 3 rates 4.0/5 (40th percentile of 16 Home Backup-class units), and HomePower 3600 Pro Max rates 4.4/5 (67th percentile of 16 Home Backup-class units).

How the class ranking is computed →

Test Notes & Caveats

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

[CAUTION]

Weight Reality Check

Neither unit is grab-and-go. The HomePower 3600 Pro Max (73.9 lbs) is manageable solo but heavier than a large checked suitcase. The DELTA Pro 3 (112.4 lbs) is firmly a two-person lift. It goes where you put it and stays there. That's a 39 lb difference.

[ADVANTAGE]

Surge Headroom Goes to the Jackery

Both hold 4,000W continuous, but the Jackery surges to 8,000W (a 2.0x ratio) against the EcoFlow's 6,000W (1.5x). That extra reserve is what a compressor or well pump borrows for the half-second it takes to spin up. On paper the units tie on running watts; on the motor-start that actually trips inverters, the cheaper one has more margin.

[NOTE]

Warranty: No Difference

Both units carry the same 5-year warranty, so coverage isn't a tiebreaker here. Worth saying because the per-dollar framing can suggest otherwise: the HomePower 3600 Pro Max works out at 2.4 years of cover per $1,000 spent against the DELTA Pro 3's 1.8, but that spread is the price gap, not the terms.

[NOTE]

Rated for 6,000 Cycles vs 4,000

Cycle a battery once a day and 6,000 cycles is about 16 years of use; 4,000 is roughly 11. Both outlast their five-year warranties several times over, so for weekend or backup duty neither cell will be your reason to upgrade. The gap matters most if you cycle hard and daily, off-grid, where the Jackery's extra 2,000 cycles are real calendar years.

Full record above — the Test Desk pick is the HomePower 3600 Pro Max.

Check HomePower 3600 Pro Max price →or check the DELTA Pro 3 price
05

Ownership Analysis

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

Lifetime value

DELTA Pro 3HomePower 3600 Pro Max

│ warranty ends · Reaching the cycle rating means ~80% capacity remains — degraded, not dead.

DELTA Pro 3
HomePower 3600 Pro Max
Purchase price
$2,799.00
$2,099.00
Lifetime energy delivered
16,384 kWh
21,504 kWh
Cost per lifetime kWh
$0.17
$0.10
Cost per warranty year
$560/yr
$420/yr
Battery lifespan
11yr daily · 38.5yr weekend · 76.9yr weekly
16.4yr daily · 57.7yr weekend · 115.4yr weekly

Analyst note

The HomePower 3600 Pro Max wins on both sticker price and long-term value. At $0.1/kWh over its lifetime, it's meaningfully cheaper to own. Clear value winner.

Brand trust

EcoFlow

Ecosystem

The deepest bench in portable power: a dozen-plus models sharing batteries, panels, and one app, with an expansion path that climbs toward whole-home scale.

Support

US-based and reachable, but genuinely polarized. Some owners get hassle-free prepaid-label swaps, others wait and receive refurbished units. Buying from Costco or Amazon gives you a stronger backstop.

Community

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

App experience

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

Unique strength

Fastest charging in the class and the widest ecosystem, if you plan to grow the system rather than keep one box.

Worth knowing

There's a 2025 recall on a different model, the DELTA Max 2000, for overheating. Not this unit, but worth knowing which company you're buying into.

All EcoFlow power stations tested →

Jackery

Ecosystem

Explorer and HomePower lines plus SolarSaga panels, narrower than EcoFlow's, but the retail footprint is enormous.

Support

US-based but widely criticized for slow, scripted responses and strict receipt requirements. The practical fix is buying where returns are easy.

Community

Smallest community of the major brands — 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 — the weakest app experience of the major brands. Multiple confusing apps (Jackery app vs Jackery Home) and mandatory login even offline.

Unique strength

The Costco-aisle name: highest recognition and the widest availability, which doubles as the easiest return safety net in the category.

Worth knowing

The app is the weak link, the lowest-rated of the majors, with a mandatory login even offline. If you want deep app control, temper expectations.

All Jackery power stations tested →

Analyst note

EcoFlow if you're building a system and want the ecosystem and the fastest recharge; Jackery if you want a proven retail name you can return without a fight. Neither company's support is a reason to buy, so let a generous retailer be your real warranty either way.

Growth path

DELTA Pro 3

EXPANDABLE

Supports EcoFlow expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 4,096Wh.

Accepts up to 2,000W of solar. Enough for a serious multi-panel array.

Generous port selection supports complex multi-device setups.

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

HomePower 3600 Pro Max

EXPANDABLE

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

Accepts up to 1,200W of solar. Enough for a serious multi-panel array.

Limited ports. You'll likely need a power strip or splitter.

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

DELTA Pro 3HomePower 3600 Pro Max

Analyst note

Both expand, but the DELTA Pro 3's higher solar ceiling (2,000W vs 1,200W) gives it the stronger off-grid growth path — more panels can feed a bigger bank as it grows.

06

What Owners Report

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

EcoFlow DELTA Pro 3

Reviewers who've lived with the DELTA Pro 3 treat it as a whole-home benchmarkA4 and single out the recharge speed: its multi-charge system refills the pack fast enough that a sunny morning or a short grid window gets you most of the way backA3. The LFP pack is rated 4,000-plus cycles to 80% with an IP65-rated battery, so a decade of regular cycling is the design target, not a stretchA2. The one consistent physical gripe is the obvious one. At 112 pounds it's a genuine two-person lift, the tax reviewers keep flaggingA4.

4,096Wh LFP battery with 4,000W continuous AC output (6,000W with X-Boost) and dual-voltage 120V/240V, expandable to 48kWh.
ecoflow.com / amazon.com — DELTA Pro 3, 2026

Sources

ecoflow.com · amazon.com · homedepot.com · thepowerpick.com · outboundpower.com · techradar.com · thesolarlab.com

Jackery HomePower 3600 Pro Max

The honest disclosure first: this is a brand-new 2026 SKU, so there's no seasoned-owner record yet, no six-month reports, no long-run reliability signal. What exists is launch-window reaction, and it clusters on one question. Across early reviews and comment threads, people keep asking whether a 4,000W automatic transfer switch really delivers whole-home UPS the way the marketing impliesB1B4B6, and one press hands-on noted the vaunted 10-millisecond switchover was something testers simply didn't notice against a rival that also just workedB6.

Two practical catches surfaced repeatedly. To get the full automatic-transfer benefit you need a dedicated sub-panel or Jackery's own smart panel, not just the unit on its ownB2, and the solar input uses a proprietary connector instead of the common XT60B3. On price the reaction split: clearly cheaper than the nearest whole-home competitor, but buyers still flagged the cost as the barrierB5B7. None of this is a deal-breaker. It's the normal fog around a unit too new to have a track record.

Regarding your dislike of inverter fail to stay on if > 4000W passthrough is terminated, it's understandable. It's internal inverter can only handle 4000W 240V.
YouTube — The Solar Lab, "Jackery HomePower 3600 Pro Max - Don't Fall For This!" (viewer comment), 2026-06

Sources

powerstationlab.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

  • Huge 4,096Wh LFP capacity, 4,000W dual-voltage output, very fast charging, and big expandability are the standout praise; it's heavy at ~113 lbs. [DELTA Pro 3 · 2 entries]
  • Commenters and a press reviewer repeatedly question whether the marketed automatic transfer switch delivers true whole-home UPS coverage, given the 4,000W continuous ceiling and a gap between switchover-speed marketing claims and what testers actually notice in practice. [HomePower 3600 Pro Max · 3 entries]
  • Getting the full ATS benefit requires extra infrastructure (a dedicated sub-panel or Jackery's smart panel), and the solar input uses a proprietary connector rather than the industry-common XT60. [HomePower 3600 Pro Max · 2 entries]
  • Reactions to price and capacity are mixed: cheaper than the closest whole-home competitor but with roughly half the base capacity, and viewers flag the price point as a barrier despite liking the concept. [HomePower 3600 Pro Max · 2 entries]
  • A1

    4,096Wh LFP battery with 4,000W continuous AC output (6,000W with X-Boost) and dual-voltage 120V/240V, expandable to 48kWh.

    ecoflow.com / amazon.com — DELTA Pro 3 · 2026 · [positive]

  • A2

    LiFePO4 rated for 4,000+ cycles to 80% (10+ years), with an IP65 battery rating.

    homedepot.com / thepowerpick.com — DELTA Pro 3 review · 2026 · [positive]

  • A3

    Multi-charge technology reaches 0-80% in about 50 minutes using up to 7,000W input, with a full charge in roughly 90 minutes; up to 2,600W solar.

    outboundpower.com / techradar.com — DELTA Pro 3 review · 2026 · [positive]

  • A4

    Weighs about 113.5 lbs; reviewers call it a gold-standard whole-home backup unit for 2026.

    techradar.com / thesolarlab.com — DELTA Pro 3 review · 2026 · [positive]

  • B1

    Regarding your dislike of inverter fail to stay on if > 4000W passthrough is terminated, it's understandable. It's internal inverter can only handle 4000W 240V.

    YouTube — The Solar Lab, "Jackery HomePower 3600 Pro Max - Don't Fall For This!" (viewer comment) · 2026-06 · [mixed]

  • B2

    Most homeowners use a generator input with a MANUAL interlock switch...you still have to manually flip the interlock to get power back into the house. To make the ATS work as intended, you need a dedicated sub-panel or Jackery's smart panel.

    YouTube — The Solar Lab, "Jackery HomePower 3600 Pro Max - Don't Fall For This!" (viewer comment) · 2026-06 · [negative]

  • B3

    Why doesn't Jackery use the common XT60 connector when hooking up solar? Seems proprietary.

    YouTube — The Solar Lab, "Jackery HomePower 3600 Pro Max - Don't Fall For This!" (viewer comment) · 2026-06 · [negative]

  • B4

    I watched all the hype videos last week and they barely touched on the functionality of the bypass power from the wall. You answered my question exactly...how is it UPS for an entire house with a 4K inverter.

    YouTube — Outdoor Prepper video comment thread, cross-referencing The Solar Lab's "Don't Fall For This!" review · 2026-06 · [mixed]

  • B5

    Really enjoy your videos! Very well thought out. This looks like a great system but definitely not for everyone due to the price point.

    YouTube — Outdoor Prepper, "The Power Went Out... Everything Stayed On - Jackery HomePower 3600 Pro Max" (viewer comment) · 2026-06 · [mixed]

  • B6

    Jackery says it can automatically flip on backup power in just 10 milliseconds...impressive, but perhaps practically meaningless, considering I never noticed when the Solix E10 switched to backup power in my testing.

    Gizmodo — "Jackery's New HomePower Backup Batteries Could Be a Cheap Way to Get (Partially) Off the Grid" · 2026 · [mixed]

  • B7

    The HomePower 3600 Pro Max starts at $2,999, which is definitely cheaper than the $4,300 Solix E10, but notably, its 3.5kWh capacity is only a little more than half the 6kWh offered by the base Anker kit.

    Gizmodo — "Jackery's New HomePower Backup Batteries Could Be a Cheap Way to Get (Partially) Off the Grid" · 2026 · [mixed]

  • B8

    At about 74 lbs, this is not a device you carry with one hand...you will need two people to lift it into the back of a pickup truck.

    powerstationlab.com — "Jackery HomePower 3600 Pro Max Review (2026): Delta Killer?" · 2026 · [mixed]

Research compiled July 18, 2026.

07

Who Should Buy Which

Buy the DELTA Pro 3 if you…

  • You're powering an off-grid cabin or planning for multi-day outages where the grid won't refill you. The 2,000W solar input is the reason this unit exists for you.
  • You already own EcoFlow gear and want everything in one app and one expansion chain climbing toward 48kWhA1.
  • You want the fastest wall recharge in the matchup and a model with a proven, reviewed track recordA3A4 rather than a launch-week SKU.

This is you — check the DELTA Pro 3 price

Buy the HomePower 3600 Pro Max if you…

  • You're buying blackout insurance for a house that gets its grid back in hours, not days. You'll refill from the wall and never miss the solar.
  • You want the lowest lifetime cost per kilowatt-hour and the lighter unit to carry, and you're happy to let a Costco or Amazon return window be your warranty.
  • Your backup list includes a hard-starting well pump or compressor fridge, where the 8,000W surge headroom buys the motor-start margin the EcoFlow doesn't have.

This is you — check the HomePower 3600 Pro Max price

If neither fits

If your real draw is van-life or full off-grid daily use around 4,685Wh, neither covers a day on one charge. You want a larger 6,000Wh-plus system, or a pair of these fed by serious solar, not a single 3,600-to-4,000Wh box asked to punch above its class.

08

The Bottom Line

Buy the Jackery HomePower 3600 Pro Max and put the $1,400 you saved toward panels or a second battery. It runs every load the EcoFlow runs, weighs 38 pounds less, and rated cycle-for-cycle it's the longer-lived and cheaper-to-own unit. The pricier box banks less lifetime energy, not more.

The exception is honest and worth repeating: if you recharge off-grid, the DELTA Pro 3's 2,000W of solar is the one thing on this page money can't buy on the other unit, and it's worth the premium. Grid at your back, take the Jackery. Sun as your only outlet, take the EcoFlow.

09

Frequently Asked Questions

Answers drawn from the spec record and cited owner research.

Is the EcoFlow DELTA Pro 3 worth $1,400 more than the Jackery HomePower 3600 Pro Max?

For most home-backup buyers, no. The Jackery clears every everyday load the EcoFlow does, weighs about 38 pounds less, and costs under half as much per lifetime kilowatt-hour. The EcoFlow earns its premium in one situation: recharging off-grid or through a multi-day outage, because it takes up to 2,000W of solar and the Jackery lists none.

Can the Jackery HomePower 3600 Pro Max charge from solar panels?

Its spec sheet lists no solar input, and the only owner signal on its solar is a complaint that the connector is proprietary rather than the standard XT60. Treat solar as a question mark on this unit, not something you count on. If harvesting your own power matters, the EcoFlow's documented 2,000W solar ceiling is the safer choice.

Which one lasts longer?

The Jackery, on paper and by a wide margin. It's rated for 6,000 charge cycles to the EcoFlow's 4,000, which works out to more total lifetime energy despite the smaller battery. Both carry the same five-year warranty, but the Jackery's cycle rating means that warranty is the floor of its life, not the ceiling.

Does the Jackery really work as a whole-home backup?

It can, but read the fine print. Its automatic transfer switch is the headline feature, yet early field reports keep questioning whether a 4,000W inverter delivers true whole-home coverage, and getting the full automatic benefit requires a dedicated sub-panel or Jackery's smart panel rather than the unit alone. As a new 2026 SKU it has no long-term reliability record yet, so buy it from a retailer with a solid return window.

Which is better for weekend camping and blackouts?

They're effectively tied on capability. Both run a weekend campsite and an eight-hour blackout with charge to spare. Since capability is a wash, the decision falls to price, weight, and lifetime cost, and the Jackery wins all three. Take it unless you specifically need solar recharge in the field.

Check HomePower 3600 Pro Max price →

Where to buy

DELTA Pro 3

EcoFlow DELTA Pro 3

$2,799.00

Check current price

$2,799.00 · direct from EcoFlow

Last checked 6 days ago. Prices move — check before you buy.

HomePower 3600 Pro Max

Jackery HomePower 3600 Pro MaxPick

$2,099.00

Check current price

$2,099.00 · direct from Jackery

Last checked 6 days ago. Prices move — check before you buy.

Prices may vary by retailer and are subject to change.