Head-to-head test
EcoFlow DELTA 3 Ultra Plus vs Jackery HomePower 3600 Pro Max
Real-world runtimes, scenario verdicts, and ownership costs compared — which wins for your use case.
Written by Gunner GustafsonUpdated
Whole-Home Backup Tester, Station Arena Test Desk
EcoFlow
DELTA 3 Ultra Plus
5,220Power Score · The AC & Fridge Zone
$1,499.00 list · direct from EcoFlow
Jackery
HomePower 3600 Pro Max
5,347Power Score · The AC & Fridge Zone
$1,799.00 list · direct from Jackery
Spec deltas
The EcoFlow DELTA 3 Ultra Plus and Jackery HomePower 3600 Pro Max compete for the same spot. Similar LiFePO4 capacity, similar price range, different brands behind them. In this matchup, ecosystem, app quality, and warranty reputation matter as much as raw specs. We'd buy the HomePower 3600 Pro Max.
The HomePower 3600 Pro Max's 3,584Wh keeps a fridge going for 20 hours. The DELTA 3 Ultra Plus's 3,072Wh manages 17 hours. The bigger unit rides out a full weekend outage. The smaller one needs a recharge by Saturday night. But if your actual use case is camping, tailgating, or keeping devices charged, the DELTA 3 Ultra Plus does the job at 77.2 lbs and $1,499 — no overkill, no regret.
Pick the HomePower 3600 Pro Max if your primary use is weekend camping. Go with the DELTA 3 Ultra Plus if you need the heavier-duty specs for demanding loads. Most buyers overlook this: the HomePower 3600 Pro Max costs ~$0.08/kWh over its full lifespan, which adds up significantly over years of regular use. Keep scrolling for the full breakdown. The scenario verdicts below hold a few surprises.
Bench Notes
What each unit does well, where it falls short, and the trade-offs that matter.
EcoFlow DELTA 3 Ultra Plus
With a massive 3,600W output (and 7,200W surge), the DELTA 3 Ultra Plus can run high-wattage appliances like space heaters, hair dryers, and electric grills without tripping. Weighing in at 77.2 lbs, this is not a unit you want to carry far. It's best suited as a stationary backup or RV companion. A standout feature is the value proposition: at roughly $0.49 per watt-hour, it's one of the most cost-effective options on the market.
Strengths
- +Costs $300 less
- +Faster solar charging
Trade-offs
- –No major technical downsides compared to rival.
Jackery HomePower 3600 Pro Max
With a massive 4,000W output (and 8,000,240W surge), the HomePower 3600 Pro Max can run high-wattage appliances like space heaters, hair dryers, and electric grills without tripping. Weighing in at 73.9 lbs, this is not a unit you want to carry far. It's best suited as a stationary backup or RV companion. A standout feature is the value proposition: at roughly $0.50 per watt-hour, it's one of the most cost-effective options on the market.
Strengths
- +Lighter by 3.4 lb
- +Larger battery capacity
- +Higher AC output
Trade-offs
- –No major technical downsides compared to rival.
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 3 Ultra Plus cuts it close at 80%. One cold night or an unexpected device and you're rationing power. The HomePower 3600 Pro Max finishes at 69%, leaving real headroom for spontaneous use. If you camp in variable weather, that buffer keeps you relaxed instead of checking your battery app every 20 minutes.
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. Since the capacity difference doesn't matter here, focus on which unit has UPS mode — seamless switchover protects your router and PC from the split-second power gap.
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
Both are wildly overqualified for CPAP. You're using 12% or less. Save your money and buy whichever is cheaper; the extra capacity is completely wasted on a 40W overnight load. Put the savings toward a second battery for multi-night trips.
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 breaking a sweat. At these utilization levels, prioritize the unit with better USB-C output for direct laptop charging. It's more convenient than using the AC inverter and wastes less energy.
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
Either unit
Both handle game day easily. Since capacity isn't the deciding factor, consider weight: the lighter unit is easier to load into a truck bed. Also check if either has Bluetooth speaker-level noise. Fan sound matters in social settings.
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
Neither unit can fully handle this scenario (needs 4,685Wh). You'd need a higher-capacity station or to cut back on usage.
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 six 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
For this load: HomePower 3600 Pro Max runs 14.9h vs 12.7h.
$1,799 list · direct from Jackery
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 0–203.1hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–40.6hHigh-Draw Appliances
These reveal the real limitsscale 0–3h¹ 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 10, 2026
Verdict: the HomePower 3600 Pro Max
The HomePower 3600 Pro Max takes the lead. It packs 512Wh more capacity and delivers 400W more power than the DELTA 3 Ultra Plus. Despite being $300 pricier, its superior specs make it more future-proof.
Overall score margin: 5,220 vs 5,347 (−2.4%)
List prices as of July 10, 2026. The links below open EcoFlow's and Jackery's current prices.
$1,799.00 list · direct from Jackery
or check the DELTA 3 Ultra Plus price$1,499.00 list
Written by Gunner Gustafson, Whole-Home Backup Tester · Station Arena Test Desk · Updated July 10, 2026
Measured Data
Benchmark scores and the full spec record, side by side.
Benchmark scores
Not rated for both units (minimum threshold unmet): Solar Generator.
Full specifications
| Specification | DELTA 3 Ultra Plus | HomePower 3600 Pro Max★ Our pick |
|---|---|---|
| Price | $1,499.00 Check latest price | $1,799.00 Check latest price |
| Capacity (Wh) | 3072 | 3584 |
| Output (W) | 3600 | 4000 |
| Surge Peak | 7200W | 8000W (240V) |
| AC Outlets | 6 | 3 |
| USB-C Charging Outputs | 100W | 100W |
| Solar Input (W) | 1600 | Not Specified |
| Weight (lbs) | 77.2 | 73.85 |
| UPS | Yes (10ms) | Yes (<10ms) |
| Charging Cycles | 4000 | 6000 |
| Chemistry | LiFePO4 | LiFePO4 |
| Warranty (Years) | 5 | 5 |
| Battery Expansion Feasibility | Yes | Yes |
| App Control | Yes | Yes |
| $/Watt Hour | $.49 | $.50 |
| Noise Level (db) | 30 | 30 |
| Solar Input Type | XT60 | 36.4-50.4V (126A) |
| USB-A Ports | 2 | 1 |
| USB-C Ports | 2 | 1 |
| Cost per Whᵈ | $0.49/Wh | $0.50/Wh |
ᵈ Derived: price ÷ rated capacity.
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.
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.
Test Notes & Caveats
Hidden gotchas and advantages we spotted that you won't find on the product page.
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 3 Ultra Plus (77.2 lbs) is noticeably heavier. That's a 3 lb difference.
Battery Lifespan in Real Years
The HomePower 3600 Pro Max is rated for 6,000 cycles vs 4,000. In real life: at daily use, that's 16.4 vs 11 years. At weekend use (twice a week), it's 58 vs 38 years. After hitting the cycle limit, the battery doesn't die. It drops to ~80% original capacity, which is still very usable.
Full record above — the Test Desk pick is the HomePower 3600 Pro Max.
Check HomePower 3600 Pro Max price →or check the DELTA 3 Ultra Plus priceOwnership Analysis
What happens after you buy — true cost of ownership, brand trust, and growth potential.
Lifetime value
Service lifeyears at one full cycle per day
Lifetime energy delivered
Cost per delivered kWh
│ warranty ends · Reaching the cycle rating means ~80% capacity remains — degraded, not dead.
| Metric | DELTA 3 Ultra Plus | HomePower 3600 Pro Max |
|---|---|---|
| Purchase price | $1,499.00 | $1,799.00 |
| Lifetime energy delivery | 12,288 kWh | 21,504 kWh |
| Cost per lifetime kWh | $0.12 | $0.08 |
| Cost per warranty year | $300/yr | $360/yr |
| Battery lifespan | 11yr daily · 38.5yr weekends · 76.9yr weekly | 16.4yr daily · 57.7yr weekends · 115.4yr weekly |
Analyst note
The DELTA 3 Ultra Plus is cheaper to buy, but the HomePower 3600 Pro Max is cheaper to own. At $0.08/kWh over its lifetime vs $0.12/kWh, the HomePower 3600 Pro Max's higher cycle life and capacity make each dollar go further over the years.
Brand trust
EcoFlow
Ecosystem
Largest in portable power — 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 — 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 — 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 technology (X-Stream), deepest product ecosystem, and most active innovation cadence. Supports up to 180kWh modular expansion with DELTA Pro Ultra X.
Worth knowing
The Oct 2025 DELTA Max 2000 recall (overheating/fire risk, 6 incidents) is worth noting. Also tested subscription paywalls for advanced app features in early 2025 before community backlash paused the plan. No parts or service offered out of warranty.
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 — 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
Highest brand recognition and widest retail distribution (Costco, Home Depot, Best Buy, Amazon). The "Toyota" of power stations — dependable, proven, wide availability. Innovative form factors like the Solar Gazebo and Solar Mars Bot.
Worth knowing
Slowest to adopt LFP batteries (some models still use older NMC chemistry with shorter lifespan). Generally perceived as overpriced for the specs offered compared to newer competitors. App experience is significantly behind rivals.
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 Plus
EXPANDABLESupports EcoFlow expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 3,072Wh.
Accepts up to 1,600W 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
EXPANDABLESupports Jackery expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 3,584Wh.
No solar input available.
Limited ports. You'll likely need a power strip or splitter.
Expansion batteries are Jackery-specific. You're investing in the Jackery ecosystem.
Analyst note
Both expand, but the DELTA 3 Ultra Plus's higher solar ceiling (1,600W vs 0W) gives it the stronger off-grid growth path — more panels can feed a bigger bank as it grows.
The Bottom Line
The full picture comes down to this. The HomePower 3600 Pro Max edges ahead on our overall analysis, but the margin is narrow enough that your specific use case should drive the decision. Review the scenario verdicts above — if the DELTA 3 Ultra Plus wins in the scenarios that match your life, it's the right choice regardless of aggregate scores.
If neither the DELTA 3 Ultra Plus nor the HomePower 3600 Pro Max feels like the right fit, your power needs probably sit outside what these two target. For lighter use — weekend camping or phone/laptop charging — you'd be overpaying for capacity you'll rarely tap. Consider a unit in the 500–1,500Wh range instead. Prices on portable power stations fluctuate frequently. Both EcoFlow and Jackery discount regularly, so check the current price before committing. Prime Day and Black Friday pricing typically drops 20-30%.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Is the HomePower 3600 Pro Max worth $300 more than the DELTA 3 Ultra Plus?
The short answer: yes, if you'll actually use the extra capability. The HomePower 3600 Pro Max costs $300 more, but that premium buys you 512Wh more battery capacity (that's 3 extra hours of running a mini-fridge); 400W higher AC output (opening the door to more demanding appliances); a longer-lasting battery rated for 6,000 cycles — that's 16 years at daily use. On a cost-per-watt-hour basis, you're paying $0.50/Wh vs $0.49/Wh. Factor in cycle life and the math flips: the HomePower 3600 Pro Max costs $0.08/kWh over its lifetime vs $0.12/kWh. The "expensive" unit is actually cheaper to own. For regular use, we'd pay the premium.
How does the 512Wh capacity difference actually affect daily use?
The HomePower 3600 Pro Max's 3,584Wh battery keeps a mini-fridge running for roughly 20 hours vs the DELTA 3 Ultra Plus's 17 hours. Both can handle a full 8-hour blackout setup (fridge + router + lights + phone charging ≈ 1,645Wh), but the HomePower 3600 Pro Max finishes with significantly more margin. That matters if conditions aren't ideal or the outage runs long. What specs don't mention: runtime drops 20-30% in cold weather (below 32°F/0°C) as battery chemistry slows down. The HomePower 3600 Pro Max's extra capacity provides a critical cold-weather buffer. For occasional phone and laptop charging, both are overkill. This gap only matters for sustained, multi-appliance use.
How fast can each unit recharge from solar panels in real conditions?
On paper, the DELTA 3 Ultra Plus accepts 1,600W vs the HomePower 3600 Pro Max's 0W of solar input. What the spec sheet won't tell you: solar panels typically deliver only 60-80% of their rated output due to panel angle, cloud cover, and temperature. In realistic conditions, expect full recharge in about 2.7 hours for the DELTA 3 Ultra Plus and N/A hours for the HomePower 3600 Pro Max. That gap widens on cloudy days, when the DELTA 3 Ultra Plus's higher input ceiling captures more of whatever sunlight is available. One more thing: summer gives you ~7 productive solar hours per day. Winter drops to ~4. If solar is your primary recharge method, the DELTA 3 Ultra Plus's advantage is substantial.
"6,000 vs 4,000 cycles" — what does that actually mean for me?
In real years: the HomePower 3600 Pro Max (6,000 cycles) lasts 16.4 years at daily use, 58 years at weekend use (twice a week), or 250 years at twice-monthly camping trips. The DELTA 3 Ultra Plus (4,000 cycles): 11.0 years daily, 38 years weekends, or 167 years twice-monthly. What most people miss: hitting the cycle limit doesn't kill your battery. Capacity drops to about 80%. Your 3,584Wh unit becomes a ~2,867Wh unit. Still very usable. For weekend users, both batteries will outlast the warranty by years.
Is EcoFlow or Jackery more reliable for long-term ownership?
Both brands have strengths and trade-offs. EcoFlow: Mixed. 2-5 years depending on model (DELTA Pro Ultra line gets 10 years). Some users report smooth claims; others report runarounds. Register your product to extend coverage. Jackery: 2-5 years depending on model (premium models like 5000 Plus get 5 years, budget models get 2 years). Registration required for extension. Claims process can be frustrating. One piece of advice from the power station community: regardless of brand, buy from Costco or Amazon. Their return policies provide a safety net that manufacturer warranties alone can't match, especially for a product you'll rely on in emergencies. Both brands use LFP (lithium iron phosphate) batteries in their current lineup, the most proven chemistry for longevity and safety.
Bottom line: should I buy the DELTA 3 Ultra Plus or the HomePower 3600 Pro Max?
We'd pay the premium for the HomePower 3600 Pro Max. Yes, it costs more. The capability jump is real: you're stepping into a tier that handles appliances the base model can't start. The DELTA 3 Ultra Plus is still solid if budget is the priority, but the HomePower 3600 Pro Max will leave you less likely to wish you'd "gone bigger" six months from now. That regret costs more than the price difference.
Where to buy
EcoFlow DELTA 3 Ultra Plus
$1,499.00
$1,499.00 list · direct from EcoFlow
Jackery HomePower 3600 Pro MaxPick
$1,799.00
$1,799.00 list · direct from Jackery
Prices may vary by retailer and are subject to change.