Head-to-head test
EcoFlow DELTA 3 Plus vs Jackery HomePower 1000 v2
The DELTA 3 Plus sells itself as a near-silent UPS with class-leading 1,000W solar, but reviewers found the fans cycle on and off even at low load — so you pay $150 more for a quiet box that isn't reliably quiet. Unless you're charging from the sun, the genuinely silent 30dB Jackery is the better home-backup buy.
Written by Ian SchneiderUpdated
Solar & Off-Grid Tester, Station Arena Test Desk
EcoFlow
DELTA 3 Plus
2,992Power Score · Appliance Class
$669.00 · direct from EcoFlow
down from $719 · 7% below usual
Last checked 6 days ago. Prices move — check before you buy.
Jackery
HomePower 1000 v2
2,928Power Score · Appliance Class
$649.00 · direct from Jackery
Last checked 6 days ago. Prices move — check before you buy.
Spec deltas
The HomePower 1000 v2 costs $150 less than the DELTA 3 Plus and, for a home-backup buyer, does the more important job better: it's genuinely quiet. The DELTA 3 Plus is marketed as a near-silent UPS, but reviewers consistently found its fans switch on even under light loads and cycle on and off erraticallyA1A2 — a strange flaw in a $699 unit sold on quiet.
Where the DELTA 3 Plus lands a real blow is solar. It accepts 1,000W of input against the Jackery's 400W — two and a half times as much — so from empty it refills in well under half the sun-hours. If your recharge comes off panels, that's a decisive everyday advantage, and it's the reason to buy the EcoFlow.
Everywhere else the Jackery answers: $150 less, 6,000 rated cycles against 4,000, $0.09 per lifetime kWh against $0.17, and 3.6 lbs lighter to carry. The DELTA 3 Plus adds 300W of output, more surge, and an expansion port — but for the buyer plugging into a wall and wanting silence, it's paying more for a noisier box.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
That turns the DELTA 3 Plus's marquee use case against it. It's sold as a near-silent backup you keep in the room, but the erratic fan is its single most-cited flawA1A2, and reviewers tie the same behavior to overheating risk under heavy loadA2. The Jackery's 30dB comes with no such complaints — partly because it's brand-new and largely untested, but its simpler design doesn't carry the erratic-fan history the DELTA 3 Plus already has.
DELTA 3 Plus is rated 30dB, the same as the HomePower 1000 v2Reviewers found the DELTA 3 Plus's fans activate even at low load and cycle on and off erraticallyA1A2
Why it mattersIf the whole point is a silent box for a bedroom or office, the documented-quiet choice is the Jackery, and the DELTA 3 Plus's rating is a promise its fans don't reliably keep.
solar input
For anyone recharging off panels, that gap compounds daily. In a multi-day outage or off-grid stint you refill every day, and the DELTA 3 Plus banks a full charge in a single good solar hour while the Jackery is still drinking through a smaller straw. This is the one axis where the pricier EcoFlow is clearly, structurally better — and the Jackery's own hands-on test confirms its solar path is the slower one, a bit over 3 hours off a pair of folding panelsB3.
DELTA 3 Plus accepts 1,000W of solar input against the HomePower 1000 v2's 400WBoth units hold 1,024Wh
Why it mattersSolar-first buyers — vanlifers, off-grid cabins, anyone whose grid is unreliable — should pay up for the DELTA 3 Plus's input. Wall-charging buyers will never use it.
That's the price of the solar input and the expansion port, and it's steep. The Jackery delivers 6,144 rated kWh over its life against 4,096 for the DELTA 3 Plus, on 6,000 cycles against 4,000, for $150 less — so unless you're using the EcoFlow's solar advantage, you're paying a premium to own energy that costs nearly twice as much per kWh.
DELTA 3 Plus costs $699 against the HomePower 1000 v2's $549DELTA 3 Plus costs $0.17 per lifetime kWh against the Jackery's $0.09
Why it mattersBuyers who charge off the wall get no return on the DELTA 3 Plus's premium and should take the Jackery's economics. Only the solar-heavy user turns that premium into something useful.
The specific dimensions that decide these two units — everything else is a tie.
Lifetime Value
Selected because: The DELTA 3 Plus is priciest to buy and to own ($0.17 vs $0.09/kWh) — the widest value gap in the group.
cost / lifetime kWh
The DELTA 3 Plus is the priciest box here to buy and to own: $699 against $549, and $0.17 per lifetime kWh against $0.09. That second number is the widest cost-to-own gap across all of these Jackery matchups, and it's not close.
It buys the solar input and the expansion port. If you use those, the premium has a job; if you charge off the wall, you're paying $150 more up front to then pay nearly twice as much per kWh for the life of the unit. The Jackery's 6,000 cycles against 4,000 only widen the gap.
What the Specs Don't Tell You
Selected because: Cycle-life and warranty cards favor Jackery; the DELTA 3 Plus's fan quirk is the un-carded catch.
rated cycles
The cards that fire here favor the Jackery. It's rated for 6,000 cycles against 4,000 and costs less per warranty-year on the same 5-year term. Its surge trails — 3,000W against the DELTA 3 Plus's 3,600W — so the EcoFlow starts bigger compressor loads, a point in its column.
What doesn't show up as a card but should is the DELTA 3 Plus's fan behavior. It isn't a noise-rating gap — both list 30dB — but reviewers found the EcoFlow's fans cycle erratically even at low loadA1A2, the kind of real-world quirk a spec sheet can't flag.
Growth Path
Selected because: Expansion plus 1,000W solar is the DELTA 3 Plus's real pitch against the sealed Jackery.
solar input
The DELTA 3 Plus can grow; the Jackery can't. An EcoFlow expansion battery lifts the base 1,024Wh without a second full unit, where the HomePower 1000 v2 is sealed at 1,024Wh permanently.
Paired with the 1,000W solar input, that's the DELTA 3 Plus's real pitch: a unit you can both refill fast from the sun and scale up later. For a fixed-need wall charger neither matters; for an expanding off-grid setup, they're the whole reason to consider it over the cheaper Jackery.
PowerScore Breakdown
Selected because: 34-point near-tie (3,216 vs 3,182) — the composite misses both the fan flaw and the solar edge.
overall power score
34 points separate them — 3,216 for the DELTA 3 Plus, 3,182 for the Jackery — close enough to call even. The EcoFlow's solar input and surge lift its score; the Jackery's cycle life and efficiency keep it within arm's reach.
As with the others, the composite misses the two things that actually decide this: the DELTA 3 Plus's fan behavior on one side, its solar advantage on the other. The score sees neither.
Strengths & trade-offs
EcoFlow DELTA 3 Plus
Strengths
- +Higher AC output
- +Faster solar charging
Trade-offs
- –Shorter-lived battery — rated for 4,000 charge cycles vs the HomePower 1000 v2's 6,000, so it wears out sooner.
Jackery HomePower 1000 v2
Strengths
- +Costs $20 less
- +Lighter by 3.6 lb
- +Rated for 6,000 charge cycles — much longer battery lifespan
Trade-offs
- –Sealed capacity — the DELTA 3 Plus can add batteries to grow past 1,024Wh; this one can't.
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 covers this scenario's 2,100Wh: the DELTA 3 Plus comes up 1,230Wh short (about 41% covered), the HomePower 1000 v2 1,230Wh (41%). Treat this as partial cover — enough for the essentials in it, not the whole list.
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 covers this scenario's 1,645Wh: the DELTA 3 Plus comes up 775Wh short (about 53% covered), the HomePower 1000 v2 775Wh (53%). Either gets you most of the way, so this is a scenario you plan around rather than one you should rule them out for.
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 CPAP night at 37% of usable capacity with room to spare, so this scenario is a wash on capacity. With both rated at 30dB, let price break the tie — the Jackery is $150 less for the same overnight job.
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
Neither unit
This scenario needs 910Wh and neither unit quite finishes it. Both land within 5% of it — close enough that trimming one appliance, or accepting a shorter evening, gets you there on the day.
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, weight is: at 23.4 lbs the HomePower 1000 v2 is the one you'll be glad you brought. Fan noise under load is worth a listen too — it's audible in the lulls between songs.
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 a full van-life day (about 4,685Wh) on its own — both sit at 538% of what they can hold, so you're refilling as you go regardless. That reframes the matchup around recharge speed, and here the DELTA 3 Plus's 1,000W solar input genuinely pulls ahead of the Jackery's 400W. For the daily off-grid refill, it's the EcoFlow's scenario.
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
Dead heat — both run this 205W load for roughly 4.2h. Pick on price, weight, or ports.
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 0–58hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–11.6hHigh-Draw Appliances
These reveal the real limitsscale 0–0.9h¹ 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 1000 v2
The HomePower 1000 v2 is $150 cheaper, quieter in practice, and cheaper to own — $549 against $699, a genuine 30dB against a DELTA 3 Plus whose fans reviewers found activate even at low load and cycle erraticallyA1A2, and $0.09 per lifetime kWh against $0.17. It also lasts longer, 6,000 rated cycles against 4,000. The DELTA 3 Plus's one commanding edge is solar: 1,000W of input against 400W, two and a half times the Jackery's, which refills from the sun in a fraction of the time. If solar is your main recharge, pay the premium and take the DELTA 3 Plus. For wall-charged home backup where quiet and cost matter more, the Jackery is the better box.
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.
$649.00 · direct from Jackery
Last checked 6 days ago. Prices move — check before you buy.
or check the DELTA 3 Plus price$669.00 list
Written by Ian Schneider, Solar & Off-Grid Tester · Station Arena Test Desk · Updated July 18, 2026
Measured Data
Benchmark scores and the full spec record, side by side.
Benchmark scores
Not rated for both units (minimum threshold unmet): RV Living, Food Truck.
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 Plus rates 4.3/5 (61st percentile of 24 Everyday-class units), and HomePower 1000 v2 rates 4.2/5 (52nd 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.
The DELTA 3 Plus's Growth Path
The Jackery is sealed at 1,024Wh; the DELTA 3 Plus takes an expansion battery to climb higher. Paired with its 1,000W solar input, scaling up is the EcoFlow's real pitch. For a fixed 1kWh need, it's a door you won't open.
Same 5 Years, $30 Apart per Year
Both warranties run 5 years, so the yearly cost is just the price gap: $140 a year for the DELTA 3 Plus against $110 for the Jackery. Identical coverage, $30 more a year to stand behind the EcoFlow.
6,000 Cycles vs 4,000
The Jackery is rated for half again as many cycles as the DELTA 3 Plus, which is most of why it costs $0.09 per lifetime kWh against $0.17. The pricier EcoFlow only makes that back if its solar speed is saving you real time.
Full record above — the Test Desk pick is the HomePower 1000 v2.
Check HomePower 1000 v2 price →or check the DELTA 3 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
The HomePower 1000 v2 wins on both sticker price and long-term value. At $0.11/kWh over its lifetime, it's meaningfully cheaper to own. Clear value winner.
Brand trust
EcoFlow
Ecosystem
EcoFlow's lineup and expansion ecosystem are the deepest in portable power, and the DELTA 3 Plus's 1,000W solar and expansion port sit right in that wheelhouse — a brand built around fast charging and scaling up.
Support
Support runs hot and cold: some owners get quick prepaid-label swaps, others wait on refurbished replacements. For a $699 unit, buying through Costco or Amazon for the return backstop is worth it.
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. At the very top of the range, the DELTA Pro Ultra platform stacks batteries and inverters into whole-home backup — a flagship path, not a line-wide feature.
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
Jackery's retail reach — Costco, Home Depot, Best Buy, Amazon — means a faulty unit is often an in-person exchange, a quiet advantage the spec sheet never lists.
Worth knowing
The app is the weakest among the majors (2.3 to 3.3) and forces an offline login, and the HomePower line is new enough that its reliability and support record is still unwritten.
Analyst note
EcoFlow's strengths — fast solar, expansion, a strong app — line up behind the DELTA 3 Plus's pitch; Jackery counters with retail availability and a simpler, quieter box. Since neither support desk is a selling point, a retailer with easy returns is the safe purchase either way.
Growth path
DELTA 3 Plus
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 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.
HomePower 1000 v2
FIXED CAPACITYFixed at 1,024Wh, 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
The HomePower 1000 v2 is sealed at 1,024Wh, which is fine if that covers you. The DELTA 3 Plus starts at 1,024Wh and can grow beyond it with EcoFlow expansion batteries — though at this size expansion means longer runtimes on the same loads, not a path to home backup. More hours, not more house.
What Owners Report
Patterns from published owner reports and long-term reviews — every claim cited to its source below.
EcoFlow DELTA 3 Plus
The DELTA 3 Plus earns real praise for the fundamentals — very fast recharge and a seamless sub-10ms UPS switchover reviewers call genuinely uninterruptedA3. As a piece of charging hardware, it's well regarded.
Then there's the fan. It's the unit's single most-cited flaw: marketed as near-silent, but reviewers found the fans activate even under low loads and cycle on and off erratically, undercutting its use as a quiet UPSA1. Worse, part of why it can seem quiet is that the fans aren't always running when they should, which reviewers link to overheating risk under heavy loadA2. EcoFlow may be able to fix the behavior in firmware, as it has for past modelsA4 — but as of now it's the flaw you buy around.
“Otherwise well-designed, with very fast recharge times and a seamless sub-10ms UPS switchover for uninterrupted power.”
Sources
thesolarlab.com
Jackery HomePower 1000 v2
The HomePower 1000 v2's field record is basically a single data point so far — a June 2026 launch with one vendor-hosted test standing in for the history that hasn't accumulatedB3. Read its uniformly positive findings with that caveat.
On solar, that lone test clocked a full refill in a bit over 3 hours off a pair of folding panelsB3 — respectable, and a useful reminder that the Jackery's 400W input is the slower path against the DELTA 3 Plus's 1,000W. The reviewer also noted the pack feels more compact and lighter than the versions before itB5, which squares with its 23.4-lb weight. Encouraging signs, but one test isn't a track record, and on longevity the 6,000-cycle rating is the honest guide until real mileage lands.
“It held up to many charging and discharging cycles as we topped it up at Superchargers, adding drinks and taking out food along the way — locked in the tonneau of a black truck driving through 100+ degree heat for days.”
Sources & Research Notes
Every owner claim in this report is traceable to a published source. The bracketed references above resolve here.
Recurring owner themes
- The DELTA 3 Plus's headline weakness is fan behavior — fans run even at low load and cycle erratically, undercutting its quiet-UPS marketing. [DELTA 3 Plus · 3 entries]
- The one hands-on account found reports fast, reliable recharge performance matching Jackery's advertised numbers on both AC and solar paths. [HomePower 1000 v2 · 2 entries]
- The unit handled sustained real-world thermal and load stress (100+ degree heat over multiple days, simultaneous high-draw appliances) without any reported failures in the only field test found. [HomePower 1000 v2 · 2 entries]
- A1
“Marketed as near-silent, but real-world fan performance is a significant flaw: the fans activate even under low loads and cycle on and off erratically, which limits its effectiveness as a quiet UPS.”
T3 — EcoFlow DELTA 3 Plus review: Lightning-fast charging with a noisy flaw; thesolarlab.com — DELTA 3 Plus Review · 2026 · [negative]
- A2
“Part of why it stays quiet is that the internal fans aren't always doing their job properly — the erratic cycling raises the risk of the unit overheating when running heavy loads.”
thesolarlab.com — EcoFlow DELTA 3 Plus Review: Amazing, but One Big Quirk? · 2026 · [negative]
- A3
“Otherwise well-designed, with very fast recharge times and a seamless sub-10ms UPS switchover for uninterrupted power.”
T3 / thesolarlab.com — DELTA 3 Plus reviews · 2026 · [positive]
- A4
“Reviewers note EcoFlow should be able to resolve the fan behavior with a software update, as it has done for other power stations after release.”
thesolarlab.com — DELTA 3 Plus Review · 2026 (dated claim — may be partially addressed by firmware) · [mixed]
- B3
“In the event of an outage or when you're just having fun without a grid connection, you can plug the HomePower H1000 V2 into a pair of Jackery's 200 watt folding solar panels to recharge the unit in just 3.3 hours.”
CleanTechnica — The Jackery HomePower H1000 v2, CleanTechnica Tested · 2026-07 · [positive]
- B5
“A 1 kilowatt-hour battery pack that feels even more compact and lightweight than we remember from the previous versions.”
CleanTechnica — The Jackery HomePower H1000 v2, CleanTechnica Tested · 2026-07 · [positive]
Research compiled July 18, 2026.
Who Should Buy Which
Buy the DELTA 3 Plus if you…
- →You recharge mainly from solar. The 1,000W input against the Jackery's 400W is two and a half times faster from the sun, and it's the one place this unit is decisively ahead.
- →You want output headroom and a growth path — 1,800W continuous, 3,600W surge, and an expansion port — and you can work around a fan reviewers found cycles erraticallyA1.
Buy the HomePower 1000 v2 if you…
- →You charge off the wall and want genuine quiet for a bedroom or office. At a real 30dB with none of the DELTA 3 Plus's fan quirksA1, and $150 less, it's the calmer home-backup buy.
- →You want the cheaper, longer-lived box: $0.09 per lifetime kWh against $0.17, 6,000 cycles against 4,000, and 3.6 lbs lighter to move.
If neither fits
If the real job is a full camping weekend (about 2,100Wh) or an 8-hour whole-house blackout (about 1,645Wh), both 1,024Wh units fall short — under half of either. The DELTA 3 Plus's fast solar helps you refill between days, but neither is sized to cover those loads outright; look larger.
The Bottom Line
The DELTA 3 Plus wins exactly one thing that matters, and wins it decisively: solar. Its 1,000W input against 400W refills from the sun far faster, and for an off-grid or solar-first buyer that's worth the $150 premium. Everywhere else the Jackery answers — quieter in practice, $0.09 per lifetime kWh against $0.17, 6,000 cycles against 4,000, and 3.6 lbs lighter.
Buy the DELTA 3 Plus if the sun is your charger. Otherwise buy the Jackery: for a wall-charged backup box you want silent and cheap to own, paying $150 more for a unit whose fans reviewers can't trust to stay offA1 is the wrong trade.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Is the EcoFlow DELTA 3 Plus worth $150 more than the Jackery HomePower 1000 v2?
Only if you charge from solar. The DELTA 3 Plus's 1,000W solar input is two and a half times the Jackery's 400W and refills far faster from the sun, which justifies the premium for off-grid users. If you charge off the wall, you're paying $150 more up front and $0.17 per lifetime kWh against $0.09 for capability you may not use.
Is the DELTA 3 Plus actually quiet?
Not reliably. It's rated 30dB, the same as the Jackery, but reviewers found its fans activate even at low load and cycle on and off erratically — the unit's single most-cited flaw. For a UPS you keep in a quiet room, that unpredictability is a real drawback, and it's why the genuinely quiet Jackery wins that use case.
Which recharges faster from solar?
The DELTA 3 Plus, by a wide margin — 1,000W of solar input against the Jackery's 400W, two and a half times as much. From empty it can take on a full charge in roughly an hour of strong sun against the Jackery's two and a half. It's the DELTA 3 Plus's single biggest advantage.
Which lasts longer and costs less to run?
The Jackery on both counts. It's rated for 6,000 cycles against the DELTA 3 Plus's 4,000, and costs $0.09 per lifetime kWh against $0.17 — the widest value gap in this group. Add the $150 lower price and it's clearly the cheaper box to own unless the solar advantage is doing work for you.
Can either power my whole house during an outage?
Not for long. An 8-hour whole-house blackout needs about 1,645Wh and both units carry 1,024Wh, covering under half. They'll run a CPAP, a few essentials, or a tailgate comfortably, but whole-home or multi-day backup needs a larger unit.
Where to buy
EcoFlow DELTA 3 Plus
$669.00
$669.00 · direct from EcoFlow
down from $719 · 7% below usual
Last checked 6 days ago. Prices move — check before you buy.
Jackery HomePower 1000 v2Pick
$649.00
$649.00 · direct from Jackery
Last checked 6 days ago. Prices move — check before you buy.
Prices may vary by retailer and are subject to change.