Head-to-head test
EcoFlow DELTA 2 Max vs Jackery Explorer 1000 Plus
Only the DELTA 2 Max finishes an 8-hour blackout, and the 784Wh that make the difference cost less per watt-hour than the Jackery's own battery; skip it only if your heaviest night is a CPAP or a laptop.
Full profiles: EcoFlow DELTA 2 Max → · Jackery Explorer 1000 Plus →
Written by Ian SchneiderUpdated
Solar & Off-Grid Tester, Station Arena Test Desk
Spec deltas
Run an 8-hour blackout on the Jackery Explorer 1000 Plus and it quits 571Wh short; the EcoFlow DELTA 2 Max finishes it with 96Wh still in the tank. That is a 2,048Wh battery against a 1,264Wh one, and the night most people buy a power station for is exactly where the gap shows.
The DELTA 2 Max costs $350 more, at $1,049 against $699, and the surprise is what that buys. Divide each sticker by its capacity and the bigger unit is the cheaper battery per watt-hour, so the premium isn't paying for a badge. It's 784Wh of extra battery at a slightly better rate, plus six AC outlets to the Jackery's three.
The Jackery fights back on everything you can feel: 18.7 lbs lighter, 1,000 more rated cycles, and the lower cost per kilowatt-hour over its life. If your hardest night is a CPAP machine or a laptop workday, it does the job for less and you'll carry it with one hand. If the lights going out is the reason you're shopping, buy the DELTA 2 Max.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
Capacity
Those 784Wh land precisely where the blackout runs out. The Jackery's shortfall is about a third of the 1,645Wh night, so the $350 isn't buying a feature list. It's buying the last third of an evening the Jackery can't reach.
DELTA 2 Max: 2,048Wh; Explorer 1000 Plus: 1,264WhCost per Wh on the box: $0.51 (DELTA 2 Max) vs $0.55 (Explorer 1000 Plus)8-Hour Blackout needs 1,645Wh: the DELTA 2 Max finishes with 96Wh left, the Explorer 1000 Plus is 571Wh short
Why it mattersIf a blackout is the reason you're shopping, the premium is well spent; if it isn't, you're paying for 784Wh you'll carry and never use.
cost / lifetime kWh
A daily user does: 11 years against 8.2 is a real difference in when the pack fades. A blackout-and-weekends owner never gets close. At weekly use the DELTA's rating runs 57.7 years, a figure for an heirloom rather than a purchase decision, so for that owner the cost-to-own column is pricing cycles they will never run.
Rated cycles: Explorer 1000 Plus 4,000, DELTA 2 Max 3,000Cost per lifetime kWh: $0.14 (Explorer 1000 Plus) vs $0.17 (DELTA 2 Max)Years to rated cycles: daily use 11 vs 8.2; weekly use 76.9 vs 57.7
Why it mattersDaily cyclers who live inside 1,264Wh should take the Jackery and its lower lifetime cost; occasional users should decide on capacity and ignore that column.
In a rolling outage, or with a generator you'd rather not run all afternoon, that's more energy banked per hour of power. The bill arrives as noise: reviewers put the DELTA's fans around 52 dB while charging, and the Quiet Charging mode that calms them hands back the speedA1. Fast or quiet, pick one.
DELTA 2 Max: full AC charge in roughly 80 minutes, 0 to 80% in about 50, per reviewersA2Explorer 1000 Plus: full AC charge in about 1.7 hours, per reviewersB1DELTA 2 Max fans around 52 dB under heavy load or charging; Quiet Charging mode cuts noise but extends charge timeA1
Why it mattersAnyone refilling from a generator or a short grid window gets real value from the DELTA's speed; anyone charging it in a bedroom should plan on Quiet mode and the slower refill.
The specific dimensions that decide these two units — everything else is a tie.
Your Life, Your Pick
Selected because: The 8-Hour Blackout is the only row where one unit fails outright, and it's the night most people buy a power station for.
One row has a loser, and it's the row most people are shopping for. The Jackery covers about two-thirds of the blackout night and then goes dark. The DELTA 2 Max finishes, though with a margin thin enough that one extra appliance left running would erase it. Call it a pass, not a cushion.
The other DELTA wins are about reserve, not finishing: the Jackery completes the workday and the tailgate, and CPAP is a formality for both. Weekend Camping and Van Life Daily beat both units, but not equally. The DELTA covers 83% of a camping weekend, close enough to plan around with a top-up, while the Jackery covers about half and needs a real recharge plan.
Lifetime Value
Selected because: The Jackery's 1,000 extra rated cycles make it cheaper per lifetime kilowatt-hour, which is the strongest case against our pick.
cost / lifetime kWh
The Jackery wins this section on cycles alone: 1,000 more of them, spread over a smaller pack, work out cheaper per kilowatt-hour than the DELTA's 3,000. That's a real result for anyone who drains and refills every day. For a blackout-and-weekends owner, both ratings run decades past any sensible ownership plan, and the column ends up pricing cycles nobody will spend.
Read it from the sticker instead and the bigger unit is the cheaper battery: $0.51 a watt-hour against $0.55. So the DELTA is cheaper to buy per watt-hour and the Jackery is cheaper to wear out. Unless this box will cycle every day, buy on the first number.
Portability & Form Factor
Selected because: 18.7 pounds separate these two, and it's what the DELTA 2 Max's extra 784Wh costs you every time the unit moves.
weight
Thirty-two pounds goes from the trunk to the picnic table in one hand. 50.7 pounds is a two-hand, bent-knees lift, the kind you plan a spot for before the box arrives. You can't have the DELTA's extra 784Wh without its extra 18.7 pounds; in this pair, capacity and weight arrive together.
If the unit lives beside the fridge and moves twice a year, the weight is a one-time chore. If it rides to every tailgate and campsite, the Jackery earns its place on that alone.
What the Specs Don't Tell You
Selected because: Matching five-year warranties hide a registration condition, and the cycle-life card shows which unit does more total work.
rated cycles
Neither card here moves the blackout answer, but both are worth reading before you buy. The warranty terms match at five years, with one condition on the Jackery's side that a registration form satisfies.
The cycle-life card is the subtle one. The Jackery gets more cycles; the DELTA pushes more energy through each of its fewer ones and does more total work over its rated life. Count cycles and the Jackery lasts longer. Count kilowatt-hours and the DELTA does.
Strengths & trade-offs
EcoFlow DELTA 2 Max
Strengths
- +Larger battery capacity
- +Higher AC output
- +Faster solar charging
Trade-offs
- –Substantially more expensive (+$350) than the Explorer 1000 Plus.
- –Significantly heavier (+18.7 lbs), making it harder to move.
- –Shorter-lived battery — rated for 3,000 charge cycles vs the Explorer 1000 Plus's 4,000, so it wears out sooner.
Jackery Explorer 1000 Plus
Strengths
- +Costs $350 less
- +Lighter by 18.7 lb
- +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 carries a full 2,100Wh weekend. The DELTA 2 Max gets 83% of the way, close enough to plan around with a top-up; the Explorer 1000 Plus covers about half and needs a real recharge plan.
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
DELTA 2 Max
The one row with a loser. The DELTA 2 Max finishes the 1,645Wh night with 96Wh left, a pass rather than a cushion. The Explorer 1000 Plus runs dry 571Wh short, with about a third of the job still undone.
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 cover a 320Wh night with plenty left over. The difference is how many nights: five on the DELTA 2 Max's 1,741Wh usable, three on the Explorer 1000 Plus's 1,074Wh. If your outages end inside three nights, buy the lighter, cheaper one.
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
DELTA 2 Max
Both finish the 910Wh day. The DELTA 2 Max does it at 52% and still holds 831Wh for the evening; the Explorer 1000 Plus gets there at 85% with 164Wh left, enough to finish but not much to improvise with.
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
DELTA 2 Max
Both handle game day; the DELTA 2 Max keeps more in reserve (38% used vs 62%). Tailgating is a light load, though, so the number you'll feel is weight: 32 lbs for the Explorer 1000 Plus against 50.7 lbs for the DELTA 2 Max, from the trunk to the setup spot.
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 covers this scenario's 4,685Wh: the DELTA 2 Max comes up 2,944Wh short (about 37% covered), the Explorer 1000 Plus 3,611Wh (23%). This is well outside what either unit is for; the right answer here is a larger station, not a choice between these two.
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
For this load: DELTA 2 Max runs 8.5h vs 5.2h.
$1,049 list · direct from EcoFlow
Planning for more than this? Describe your whole setup and get it sized →
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 0–116.1hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–23.2hHigh-Draw Appliances
These reveal the real limitsscale 0–1.7h¹ 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
October 11, 2026
Verdict: the DELTA 2 Max, on Power Score margin
Take the DELTA 2 Max if blackout backup is the job. The $350 premium buys 784Wh more battery at a lower cost per watt-hour than the Jackery's own, and it makes the DELTA the only one of the two that finishes our 8-hour blackout, thinly but completely. It also brings six AC outlets to the Jackery's three and 2,400W of output against 2,000W. The Explorer 1000 Plus has real answers: 18.7 lbs lighter, 1,000 more rated cycles, and a lower cost per lifetime kilowatt-hour. If your heaviest night is a CPAP or a laptop workday, those win, and you should keep the money.
Today the Explorer 1000 Plus is $619, $80 under its typical $699. The verdict weighs typical prices, not today's. Prices checked 28 days ago.
Editor-assigned confidence, based on cited owner research and spec analysis.
List prices as of October 11, 2026. The links below open EcoFlow's and Jackery's current prices.
$1,049.00 · direct from EcoFlow
Last checked 28 days ago. Prices move — check before you buy.
or check the Explorer 1000 Plus price$619.00 list
Written by Ian Schneider, Solar & Off-Grid Tester · Station Arena Test Desk · Updated October 11, 2026
Black Friday · 26 days out
Prices to beat:DELTA 2 Max $949Explorer 1000 Plus $619
The lowest we have recorded for each. A Black Friday price above it is a sale that unit has already had.
Measured Data
Benchmark scores and the full spec record, side by side.
Benchmark scores
Not rated for both units (minimum threshold unmet): Camping.
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 2 Max rates 3.9/5 (37th percentile of 28 Large-class units), and Explorer 1000 Plus rates 4.6/5 (77th percentile of 27 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.
Warranty: Same Term, One Condition
Both carry five years. The DELTA 2 Max's 5 years is stated plainly; the Explorer 1000 Plus's is up to 5 years with registration, so register it with Jackery the week it arrives. Do that and coverage can't separate these two. EcoFlow's catch comes later: it offers no parts or service once the term ends.
More Cycles, Less Total Energy
The Explorer 1000 Plus is rated for 4,000 cycles to the DELTA 2 Max's 3,000, which is 11 years of daily use against 8.2. But a cycle on the Jackery moves 1,264Wh and on the DELTA 2,048Wh, so over rated life the DELTA delivers roughly 6,144 kWh to the Jackery's 5,056. The Jackery lasts more cycles; the DELTA does more work. Either way the pack ends near 80% of its original capacity, not dead.
Full record above — the Test Desk pick is the DELTA 2 Max.
Check DELTA 2 Max price →or check the Explorer 1000 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.
Analyst note
Both units have similar long-term ownership costs ($0.17/kWh vs $0.14/kWh). The price difference is what you see on the sticker — neither is a hidden bargain or rip-off. One caution on the lifespan row: the Explorer 1000 Plus takes longer to reach its cycle rating, but a cycle moves a different amount of energy on each unit — the DELTA 2 Max still delivers more over its shorter horizon (6,144 vs 5,056 kWh). Years measure wear, not usefulness.
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 deepest catalogue in portable power, and the X-Stream fast-charging that makes this unit's wall refill quick.
Worth knowing
EcoFlow trialled paywalling advanced app features in early 2025 and paused after community backlash, and it offers no parts or service once the warranty ends.
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 footprint of the major brands: Costco, Home Depot, Best Buy and Amazon all carry it.
Worth knowing
Support draws the heavier criticism, with reports of slow responses and strict receipt rules on warranty claims, and its apps rate the weakest of the major brands. Buying through Costco or Amazon is the best return safety net.
Analyst note
Both brands' support records point buyers toward Costco or Amazon for the return window, which says something about going direct at either. EcoFlow brings the bigger community and the better-rated app; Jackery's edge is that you can probably find one on a shelf near you.
Growth path
DELTA 2 Max
EXPANDABLESupports EcoFlow expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 2,048Wh.
Accepts up to 1,000W 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.
Explorer 1000 Plus
EXPANDABLESupports Jackery expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 1,264Wh.
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.
Expansion batteries are Jackery-specific. You're investing in the Jackery ecosystem.
Realistic full solar rechargeat 70% of rated panel output — see methodology
Analyst note
Both expand, so neither locks you out of growth — decide on capacity, price, and the rest, not the expansion checkbox.
What Owners Report
Patterns from published owner reports and long-term reviews — every claim cited to its source below.
EcoFlow DELTA 2 Max
The praise for the DELTA 2 Max is about the pack and the plug. One long-term review found no structural degradation after six months of real use, and reviewers back its LiFePO4 cells' 3,000-plus cycle ratingA3. From the wall, reviewers clocked 0 to 80% in about 50 minutes and a full charge in roughly 80A2.
The fans are the complaint. Reviewers put them around 52 dB under heavy load or charging; Quiet Charging mode calms them at the cost of a slower refill, and six inches of clearance helps airflowA1. The reviewer verdict is still worth buying, with caveatsA4, and our own research files it as an older-generation 2kWh unit with noise as its standout drawbackA0.
“Fast AC wall charging — 0 to 80% in about 50 minutes and a full charge in roughly 80 minutes.”
Sources
powerstationadvisor.com · pcworld.com · thesolarlab.com · protoolsadvisor.com · trailandkale.com
Jackery Explorer 1000 Plus
The Explorer 1000 Plus has the deeper field record. A six-month test spanning dozens of camping trips, two extended outages and daily home-office use found it ran every appliance inside its 2,000W rating, including a refrigerator, lights, a laptop and a Wi-Fi router at once in a simulated outageB3. Reviewers report full wall charges in about 1.7 hours and back its 4,000-cycle ratingB1.
It's widely ranked among the best-rounded units of 2026B4B0, with the expansion path singled out: up to three add-on batteries for about 5,000Wh in totalB2. Our research flags one limit, which is that it carries no dust or water ingress ratingB0.
“The LiFePO4 battery genuinely hits 4,000 cycles, AC recharge consistently shows ~1.7-hour full charges, and the 2,000W pure sine wave inverter handles surge loads.”
Sources
backuppowerhub.com · thesolarlab.com · vettedhomegear.com · walkingsolar.com · mtnweekly.com · sparklingpicks.com · trustedreviews.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
- Solid LFP durability, fast charging, and ecosystem/expandability are the praise; loud fans under heavy load or charging are the recurring complaint. [DELTA 2 Max · 3 entries]
- Expandability to a multi-kWh bank, dependable 2,000W output, fast charging, and best-rounded-of-2026 status are the consistent praise. [Explorer 1000 Plus · 3 entries]
- A1
“Fan noise is a significant issue — cooling fans can get loud, around 52 dB during heavy loads or charging; a Quiet Charging mode reduces noise but extends charge time, and giving it 6 inches of clearance helps airflow.”
powerstationadvisor.com / pcworld.com — DELTA 2 Max review · 2025-2026 · [negative]
- A2
“Fast AC wall charging — 0 to 80% in about 50 minutes and a full charge in roughly 80 minutes.”
thesolarlab.com / protoolsadvisor.com — DELTA 2 Max review · 2025-2026 · [positive]
- A3
“LiFePO4 chemistry rated for 3,000+ cycles to 80% with superior thermal stability; after 6 months of real use there was no structural degradation and it felt as solid as day one.”
powerstationadvisor.com / trailandkale.com — DELTA 2 Max review · 2025-2026 · [positive]
- A4
“Reviewers say it's still worth buying but with caveats — a versatile unit with expandability and ecosystem compatibility.”
thesolarlab.com / powerstationadvisor.com — DELTA 2 Max review · 2025-2026 · [mixed]
- B1
“The LiFePO4 battery genuinely hits 4,000 cycles, AC recharge consistently shows ~1.7-hour full charges, and the 2,000W pure sine wave inverter handles surge loads.”
backuppowerhub.com / thesolarlab.com — Explorer 1000 Plus review · 2026 · [positive]
- B2
“Expandable — you can add up to three additional batteries, bringing total capacity to about 5,000Wh; at maximum you could run a refrigerator for 3+ days or power a home office through multi-day outages.”
backuppowerhub.com / vettedhomegear.com — Explorer 1000 Plus review · 2026 · [positive]
- B3
“After six months across dozens of camping trips, two extended outages, and daily home-office use, it ran every appliance within its 2,000W rating; in a simulated outage it powered a refrigerator, lights, a laptop, and a Wi-Fi router simultaneously.”
walkingsolar.com / mtnweekly.com — Explorer 1000 Plus 6-month review · 2026 · [positive]
- B4
“Widely called one of the most well-rounded portable power stations of 2026 — 4,000-cycle LFP battery, 2,000W output, fast wall charging, and expandable design check every important box.”
sparklingpicks.com / trustedreviews.com — Explorer 1000 Plus review · 2026 · [positive]
Research compiled October 11, 2026.
Who Should Buy Which
Buy the DELTA 2 Max if you…
- →The power goes out at your place for an evening at a time and you want the fridge, router and lamps to make it to the end. The DELTA 2 Max is the only one here that finishes our 8-hour blackout, with six AC outlets to the Jackery's three.
- →You run a CPAP and your outages can stretch for days: 320Wh a night out of 1,741Wh usable is five full nights before a recharge, against three on the Jackery.
- →You'll refill from a generator or a short window of grid power and want the most energy back per hour, and you can live with loud fans while it chargesA1A2.
Buy the Explorer 1000 Plus if you…
- →The unit goes where you go: tailgates, campsites, the back of the car. At 32 lbs it's a one-hand carry, and it still finishes our remote workday with 164Wh to spare.
- →You'll drain and refill it every day inside 1,264Wh. That's where 4,000 rated cycles turn into a lower cost per kilowatt-hour than the DELTA can match.
- →Your hardest night is a CPAP or a laptop, and $350 back in your pocket beats capacity you'd carry around and never touch.
If neither fits
Close this tab if the plan is a full camping weekend off the battery or living in a van on it. A 2,100Wh weekend leaves the DELTA 2 Max 359Wh short and the Jackery 1,026Wh short, and a 4,685Wh van day leaves both thousands of watt-hours behind. You want a bigger station sized to the daily draw, with solar to match.
The Bottom Line
The Explorer 1000 Plus is the lighter box and the cheaper one to wear out, and for a CPAP night or a workday it's the right buy. But the DELTA 2 Max's extra 784Wh cost less per watt-hour than the Jackery's own battery, and they're exactly the watt-hours a blackout night runs out of.
$350 more, 784Wh more, and the only finish in the blackout row. Take the DELTA 2 Max, and lift it with both hands.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Is the DELTA 2 Max worth the extra money over the Jackery Explorer 1000 Plus?
For blackout backup, yes. The $350 buys 784Wh more battery at a lower cost per watt-hour than the Jackery's own, and it's the difference between finishing a 1,645Wh blackout night and stalling 571Wh short. If your heaviest load is a CPAP or a laptop workday, the Jackery handles it for less and weighs 18.7 lbs less.
Is the Jackery Explorer 1000 Plus enough for a power outage?
For a short or light one, yes; for a full 8-hour blackout on our test load, no. That scenario needs 1,645Wh and the Jackery has 1,074Wh usable after the derate, about 65% of the job. It accepts add-on batteries, which is the route if you want it to go the distance later.
How many nights will each one run a CPAP?
A 40W CPAP over eight hours uses about 320Wh. That's five full nights from the DELTA 2 Max's 1,741Wh usable and three from the Jackery's 1,074Wh before either needs a recharge. Both cover a single night easily, so this only matters if an outage might outlast three nights.
Is the EcoFlow DELTA 2 Max loud?
Under heavy load or while charging, yes: reviewers measured its fans around 52 dB, and the Quiet Charging mode that calms them also slows the refill. The 30 dB on its spec sheet is a best-case floor, not a working figure. Reviewers also say six inches of clearance helps airflow.
Which is cheaper to own long term?
The Jackery, at $0.14 per lifetime kilowatt-hour against $0.17, because 4,000 rated cycles stretch further than 3,000. That saving only arrives if you cycle it daily, where the ratings run 11 years against 8.2. On the sticker, the DELTA 2 Max is the cheaper battery per watt-hour.
Brand matchup
EcoFlow vs Jackery: measured across every matchup →Where to buy
EcoFlow DELTA 2 MaxPick
$1,049.00
$1,049.00 · direct from EcoFlow
Last checked 28 days ago. Prices move — check before you buy.
Jackery Explorer 1000 Plus
$619.00
$619.00 · direct from Jackery
down from $699 · 11% below usual
Last checked 28 days ago. Prices move — check before you buy.
Prices may vary by retailer and are subject to change.