Head-to-head test
EcoFlow DELTA 3 vs Jackery Explorer 1500 v2
The DELTA 3 is $180 cheaper, but its 1,024Wh loses every scenario that actually matters day to day — CPAP, a remote workday, a tailgate — to the Jackery's 512Wh larger battery, and the Jackery still ends up the cheaper unit per lifetime kWh despite the higher sticker.
Written by Ian SchneiderUpdated
Solar & Off-Grid Tester, Station Arena Test Desk
EcoFlow
DELTA 3
3,196Power Score · Appliance Class
$549.00 list · direct from EcoFlow
Jackery
Explorer 1500 v2
3,518Power Score · Appliance Class
$699.00 list · direct from Jackery
Spec deltas
The Jackery Explorer 1500 v2 wins three of the six use cases on this page outright — CPAP overnight, remote workday, and tailgate party — because its 1,536Wh gives it real headroom the DELTA 3's 1,024Wh doesn't have. A remote workday needs about 910Wh; the DELTA 3 uses 105 percent of its capacity to get there and can't finish, while the Jackery covers it at 70 percent used.
The DELTA 3 undercuts it by $180 up front — $519 to $699 — and answers with a genuinely quicker UPS handoff, 10 milliseconds against the Jackery's 20, plus 5 fewer pounds and a battery that can expand later. None of that changes the capacity math for the loads people actually run.
Even on price, the advantage doesn't hold once you look past the sticker: the DELTA 3 costs $0.17 per lifetime kWh, the Jackery $0.11, because the Jackery's battery is rated for 1,000 more cycles on top of its bigger capacity. The cheaper unit today is the more expensive one to own.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
Capacity
This isn't a close call decided by preference; it's the DELTA 3 running out of watt-hours on one of the most common uses for either unit. The Jackery's 512Wh larger battery is the difference between a laptop, monitor, and router running all day and one that doesn't.
a remote workday draws about 910Whthe DELTA 3 holds 1,024Wh and would use 105 percent of it to cover that loadthe Jackery holds 1,536Wh and covers the same load at 70 percent used
Why it mattersAnyone planning to work off one of these units for a full day should size up to the Jackery — the DELTA 3 isn't rated for it.
rated cycles
Multiply capacity by cycle count and the Jackery delivers 6,144 kWh over its life against the DELTA 3's 3,072 kWh — exactly double — for a price that's only 35 percent higher. The unit that looks cheaper on the shelf is the pricier one per unit of energy delivered.
the DELTA 3 costs $519 and the Jackery costs $699the DELTA 3 is rated for 3,000 cycles at 1,024Wh; the Jackery for 4,000 cycles at 1,536Whcost per lifetime kWh comes out to $0.17 for the DELTA 3 and $0.11 for the Jackery
Why it mattersBuyers optimizing for total cost of ownership, not just sticker price, should take the Jackery even though it costs more today.
A 10ms UPS handoff is fast enough that routers and CPAP machines shouldn't notice a grid blip at all, and it's a real, measurable advantage over the Jackery's 20ms. But independent testing on the base DELTA 3 specifically is sparse right now, so that speed claim carries more uncertainty than the capacity numbers above.
the DELTA 3's UPS switches over in 10ms against the Jackery's 20msboth units are rated at 30dB, effectively tied on noisefield data specifically on the standard DELTA 3 is limited — most published testing covers the Plus and Ultra variants
Why it mattersBuyers who specifically need the fastest possible switchover for sensitive electronics should weigh the DELTA 3's 10ms against the fact that its capacity can't cover a full workday or camping trip either way.
The specific dimensions that decide these two units — everything else is a tie.
Your Life, Your Pick
Selected because: The Jackery's capacity headroom wins the three loads that actually recur day to day.
Three of six scenarios go to the Jackery outright: CPAP overnight (25 percent used vs the DELTA 3's 37), remote workday (70 percent vs a load the DELTA 3 can't actually finish at 105 percent), and tailgate party (51 percent vs 77). These are the loads people buy 1kWh-class units for, and the Jackery's extra 512Wh shows up directly in usable margin.
Neither unit covers weekend camping, an 8-hour blackout, or van life daily use — both are undersized for those loads regardless of which you buy. If any of those three is your actual use case, this comparison is moot; look at a 2kWh-plus unit instead.
Lifetime Value
Selected because: The cheaper unit up front is the more expensive one per lifetime kWh.
cost / lifetime kWh
The DELTA 3's $519 price tag is real, but multiply its 1,024Wh by 3,000 rated cycles and you get 3,072 kWh of total lifetime energy — half of the Jackery's 6,144 kWh, which comes from 1,536Wh times 4,000 cycles. That's why the DELTA 3 runs $0.17 per lifetime kWh against the Jackery's $0.11.
By warranty year the gap narrows but doesn't close: $104 a year for the DELTA 3, $140 for the Jackery, both over the same 5-year term. The DELTA 3 wins if you'll replace it before it wears out anyway; the Jackery wins on every measure of getting your money's worth from the battery itself.
What the Specs Don't Tell You
Selected because: UPS speed and expandability are the DELTA 3's real counterarguments.
rated cycles
The DELTA 3's 10ms UPS switchover is a genuine, spec-verified edge over the Jackery's 20ms — the kind of number that matters for a CPAP machine or a networked security system that can't tolerate a blip. It's also expandable, where the Jackery is sealed at 1,536Wh for its whole life.
Set those two advantages against a battery that's smaller and shorter-lived, and they read less like decisive wins and more like consolation prizes. Fast switchover into a battery that can't finish a workday, or room to expand a unit you'll want to replace with something bigger anyway, isn't the trade most buyers are actually making.
Brand Trust
Selected because: EcoFlow and Jackery split cleanly on community size, app quality, and recent brand missteps.
EcoFlow runs the largest community in the category — Reddit's r/Ecoflow_community alone has roughly 31,000 members, dwarfing Jackery's roughly 2,000 — and its app rates noticeably higher (4.6/5 iOS, 4.2/5 Android against Jackery's 2.3-3.3 range). EcoFlow also moves faster on new tech, with X-Stream fast-charging across its lineup.
The one blemish worth naming: EcoFlow's October 2025 DELTA Max 2000 recall over overheating risk, and a brief, community-reversed attempt at paywalling app features in early 2025. Jackery counters with the widest retail footprint of the two — Costco, Home Depot, Best Buy — and higher raw brand recognition, even if its app and community are thinner.
Strengths & trade-offs
EcoFlow DELTA 3
Strengths
- +Costs $150 less
- +Lighter by 5 lb
- +Faster solar charging
Trade-offs
- –Shorter-lived battery — rated for 3,000 charge cycles vs the Explorer 1500 v2's 4,000, so it wears out sooner.
Jackery Explorer 1500 v2
Strengths
- +Larger battery capacity
- +Higher AC output
- +Rated for 4,000 charge cycles — much longer battery lifespan
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
Neither unit
Neither unit can fully handle this scenario (needs 2,100Wh). You'd need a higher-capacity station or to cut back on usage.
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
Neither unit
Neither unit can fully handle this scenario (needs 1,645Wh). You'd need a higher-capacity station or to cut back on usage.
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
Explorer 1500 v2
Both are massively overpowered for CPAP — the Explorer 1500 v2 finishes at 25% used against the DELTA 3's 37%. At a 40W load that reserve is comfort rather than necessity, so if a CPAP is the only thing you plan to run, price and portability should count for more than capacity does.
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
Explorer 1500 v2
This is the scenario that decides the page. A laptop, monitor, and router for a full day draws about 910Wh — the Jackery covers it at 70 percent of its 1,536Wh, with real margin left. The DELTA 3 would need 105 percent of its 1,024Wh to match it, which means on paper it doesn't finish the day. If you work off one of these units regularly, that gap is the whole comparison.
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
Explorer 1500 v2
Both handle game day, and the Explorer 1500 v2 does it with more in reserve — 51% used against 77%. Tailgating is a light load, so that headroom counts for less here than the 5 lbs you'll actually carry across the parking lot.
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: Explorer 1500 v2 runs 6.4h vs 4.2h.
$699 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 0–87hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–17.4hHigh-Draw Appliances
These reveal the real limitsscale 0–1.3h¹ 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 14, 2026
Verdict: the Explorer 1500 v2, on Power Score margin
Take the Jackery Explorer 1500 v2. It wins CPAP overnight, remote workday, and tailgate party outright on capacity headroom — the DELTA 3's 1,024Wh runs out of margin exactly where people actually use these things. It also costs less per lifetime kWh ($0.11 vs $0.17) because its battery is rated for 1,000 more cycles on top of 512 more watt-hours. The DELTA 3 answers back with a genuinely faster UPS switchover (10ms vs 20ms), a $180 lower price, 5 fewer pounds, and expandability the Jackery doesn't have. If your loads are small and predictable and you want to save money today, the DELTA 3 is a fair pick — field data on this exact model is thin, so treat that upside with some caution. For most buyers comparing these two, the extra capacity is worth more than the extra $180.
Editor-assigned confidence, based on cited owner research and spec analysis.
List prices as of July 14, 2026. The links below open EcoFlow's and Jackery's current prices.
$699.00 list · direct from Jackery
or check the DELTA 3 price$549.00 list
Written by Ian Schneider, Solar & Off-Grid Tester · Station Arena Test Desk · Updated July 14, 2026
Measured Data
Benchmark scores and the full spec record, side by side.
Benchmark scores
Full specifications
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 3 rates 4.3/5 (61st percentile of 24 Everyday-class units), and Explorer 1500 v2 rates 4.6/5 (78th percentile of 24 Everyday-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.
Explorer 1500 v2: Fixed Capacity
The Explorer 1500 v2 is sealed at 1,536Wh — a complete unit, and already larger than the DELTA 3's 1,024Wh. The DELTA 3 can add expansion batteries, but that only pulls ahead if you'd grow past 1,536Wh.
The DELTA 3's real edge: a 10ms UPS handoff
The DELTA 3 switches from wall to battery power in about 10 milliseconds; the Jackery takes roughly 20. Both are fast enough that most electronics won't notice, but the DELTA 3's margin is genuinely tighter and matters most for equipment that can't tolerate even a brief gap. It's a real advantage — it just doesn't offset a battery that's smaller and can't finish a full workday.
Warranty Value Comparison
The DELTA 3 gives you 9.1 years of warranty per $1,000 spent, vs the Explorer 1500 v2's 7.2 years. That's 1.3× more coverage per dollar. An underrated factor if you're keeping this unit for years.
Battery Lifespan in Real Years
The Explorer 1500 v2 is rated for 4,000 cycles vs 3,000. In real life: at daily use, that's 11 vs 8.2 years. At weekend use (twice a week), it's 38 vs 29 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 Explorer 1500 v2.
Check Explorer 1500 v2 price →or check the DELTA 3 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.
Analyst note
The DELTA 3 is cheaper to buy, but the Explorer 1500 v2 is cheaper to own. At $0.11/kWh over its lifetime vs $0.18/kWh, the Explorer 1500 v2'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
The largest community in the category by a wide margin, the fastest charging technology (X-Stream), and the deepest product ecosystem of any brand compared here.
Worth knowing
The October 2025 DELTA Max 2000 recall over overheating risk is worth knowing, and EcoFlow briefly tested paywalling advanced app features in early 2025 before backing off.
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
The widest retail distribution of any brand in this comparison — Costco, Home Depot, Best Buy, Amazon — and the highest general brand recognition.
Worth knowing
Jackery's app is the weakest-rated of the major brands, and its community is the smallest, which shows up in how much independent field data exists for newer models.
Analyst note
EcoFlow wins on community size, app polish, and charging technology; Jackery wins on retail reach and name recognition. Neither reputation issue is disqualifying, but EcoFlow's recent recall is worth a look before buying, and Jackery's thinner community means less independent troubleshooting help if something goes wrong.
Growth path
DELTA 3
EXPANDABLESupports EcoFlow expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 1,024Wh.
Accepts up to 500W of solar. Suitable for a 1-2 panel setup.
Generous port selection supports complex multi-device setups.
Expansion batteries are EcoFlow-specific. You're investing in the EcoFlow ecosystem.
Explorer 1500 v2
FIXED CAPACITYFixed at 1,536Wh, with no expansion — so size it for your needs up front rather than planning to add capacity later.
Accepts up to 400W of solar. Suitable for a 1-2 panel setup.
Adequate ports for most setups, but heavy users may want a power strip.
Realistic full solar rechargeat 70% of rated panel output — see methodology
Analyst note
Don't read the DELTA 3's expandability as a straight win here: it starts at 1,024Wh, below the Explorer 1500 v2's 1,536Wh, so a first expansion battery largely buys back capacity the Explorer 1500 v2 already includes. It only pulls ahead if you'd grow past 1,536Wh — short of that, the Explorer 1500 v2's larger fixed capacity is the simpler value.
What Owners Report
Patterns from published owner reports and long-term reviews — every claim cited to its source below.
EcoFlow DELTA 3
Field data specifically on the base DELTA 3 is limited — most published testing covers the Plus and Ultra variants, so treat the following as preliminary. What's there is encouraging: at loads under 200W the fans reportedly stay off entirely, making it effectively silent for light use, and even at 500-800W they're described as barely audible from three feet awayA1.
The UPS switchover is reported to work as advertised at roughly 10ms — fast enough that routers don't drop and CPAP therapy isn't interrupted through a power blipA2, though that specific reading comes from a sibling model sharing the same spec rather than a confirmed test of this exact unit. Beyond those two points, there isn't enough independent owner commentary yet to call a pattern either way.
“At low loads (under 200W) the fans often stay completely off, making the Delta 3 effectively silent; under moderate load (500–800W) the fans are barely audible from three feet away.”
Sources
portablepowernerd.com · thesolarlab.com · outputreport.com
Jackery Explorer 1500 v2
What keeps coming up about the Explorer 1500 v2 is how much it packs into a 1.5kWh unit without asking for a premium: seven simultaneous outputs, including dual USB-C, let it run a laptop, a phone, and a 12V accessory at once without hogging a single AC socketB2. Reviewers frame it as the value benchmark of its class rather than just a lighter alternative.
That value case rests on real numbers — described as the lowest cost-per-watt 1.5kWh LFP station on the market at $699, with a roughly 64-minute full chargeB3, and scored 8.7 out of 10 by one outlet as the most cost-efficient way to get serious LFP capacity if you don't need rugged or waterproof extrasB4. It's also class-leading light at about 32 lbsB1 — a fact that matters less against the DELTA 3's already-light 27 lbs, but still counts.
“The world's lightest 1.5kWh LFP power station at about 32 lbs — class-leading weight is one of its defining features.”
Sources
backuppowerhub.com · jackery.com · portablepowernerd.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
- Class-leading light weight, a versatile 7-port layout, fast ~64-minute charging, and the lowest cost-per-watt in its class are the consistent praise. [Explorer 1500 v2 · 3 entries]
- A1
“At low loads (under 200W) the fans often stay completely off, making the Delta 3 effectively silent; under moderate load (500–800W) the fans are barely audible from three feet away.”
portablepowernerd.com — EcoFlow Delta 3 Tested: 2026 Hands-On Review; thesolarlab.com · 2026 · [positive]
- A2
“UPS switchover works as advertised — a power cut results in a ~10ms handoff, fast enough that routers don't reset, fridges don't skip a compressor cycle, and CPAP machines don't interrupt therapy.”
outputreport.com / thesolarlab.com — DELTA 3 line UPS testing (observed on DELTA 3 Plus, which shares the 10ms UPS spec) · 2026 · [positive]
- B1
“The world's lightest 1.5kWh LFP power station at about 32 lbs — class-leading weight is one of its defining features.”
backuppowerhub.com / jackery.com — Explorer 1500 v2 review · 2026 · [positive]
- B2
“Seven simultaneous outputs is genuinely useful: three AC outlets cover larger appliances, dual USB-C ports support fast charging for phones and laptops, and the DC car output handles 12V accessories without burning an AC outlet.”
portablepowernerd.com / backuppowerhub.com — Explorer 1500 v2 review · 2026 · [positive]
- B3
“At $699 it's the lightest, fastest-charging, and lowest cost-per-watt 1.5kWh LFP station on the market, undercutting comparable LFP units, with a roughly 64-minute full charge.”
backuppowerhub.com — Explorer 1500 v2 review · 2026 · [positive]
- B4
“Earns 8.7/10; for buyers who don't need rugged or waterproof features, it's the most cost-efficient path to serious LFP capacity in 2026.”
backuppowerhub.com / portablepowernerd.com — Explorer 1500 v2 review · 2026 · [positive]
Research compiled July 14, 2026.
Who Should Buy Which
Buy the DELTA 3 if you…
- →Your loads are genuinely small and predictable — phone charging, a router, light electronics — where 1,024Wh is plenty and you'd rather save $180.
- →You need the fastest possible UPS switchover for sensitive gear and can live with the smaller battery.
- →You want room to expand the battery later rather than buying bigger today.
Buy the Explorer 1500 v2 if you…
- →You run a CPAP overnight, work remotely off the unit for a full day, or host a tailgate — loads where the DELTA 3's capacity comes up short.
- →You want the lower cost per lifetime kWh, even at a higher purchase price.
- →You'd rather have one unit that covers more scenarios than a cheaper one you might outgrow.
If neither fits
Weekend camping, an 8-hour blackout, and van life daily use all exceed both units' capacity — if that's your actual use case, look at something in the 2kWh-plus range instead of either of these.
The Bottom Line
The DELTA 3 is $180 cheaper and switches over faster, but its 1,024Wh can't cover the loads that keep coming up — a remote workday, a tailgate, even CPAP overnight with less margin than the Jackery. The Jackery's extra 512Wh isn't a luxury here; it's the difference between finishing the job and running short.
It also turns out to be the cheaper unit per lifetime kWh once you account for its extra 1,000 rated cycles. For most buyers weighing these two, that combination — more capacity, more cycle life, wins the scenarios that matter — outweighs saving $180 today. Take the DELTA 3 only if your loads are genuinely light or you need its faster switchover more than you need the extra battery.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
EcoFlow DELTA 3 vs Jackery Explorer 1500 v2 — which should I buy?
The Jackery for most buyers: it wins CPAP overnight, remote workday, and tailgate party on capacity headroom, and it's cheaper per lifetime kWh ($0.11 vs $0.17) despite the higher sticker price. The DELTA 3 is the pick if your loads are small, you want to save $180 today, or you specifically need its faster 10ms UPS switchover — just know that independent field data on this exact model is still limited.
Which one can actually run a full remote workday?
The Jackery. A laptop, monitor, and router for a full day draws about 910Wh — the Jackery covers that at 70 percent of its 1,536Wh, while the DELTA 3 would need 105 percent of its 1,024Wh, meaning it can't finish the day on paper. If you work off one of these units regularly, the DELTA 3's capacity is the limiting factor.
Is the DELTA 3 actually cheaper to own?
Not per unit of energy. It's $180 cheaper up front, but its smaller 1,024Wh battery and lower 3,000-cycle rating give it 3,072 kWh of total lifetime output — half the Jackery's 6,144 kWh. That works out to $0.17 per lifetime kWh for the DELTA 3 against $0.11 for the Jackery, so the pricier unit today is the cheaper one to own over its full life.
Does the DELTA 3's faster UPS switchover matter?
It's real — 10ms against the Jackery's 20ms, both fast enough for most electronics, but the DELTA 3's margin is genuinely tighter. It matters most for equipment that's sensitive to even brief power gaps. It doesn't change the capacity gap, though: a faster switchover into a smaller battery still leaves you short on a full workday or a tailgate.
Where to buy
EcoFlow DELTA 3
$549.00
$549.00 list · direct from EcoFlow
Jackery Explorer 1500 v2Pick
$699.00
$699.00 list · direct from Jackery
Prices may vary by retailer and are subject to change.