Head-to-head test
EcoFlow DELTA Pro Ultra X vs DJI Power 1000
One of these goes in the back of the car and the other one you book an electrician for, so the buyer who mixes them up hasn't overspent, they've bought the wrong category.
Full profiles: EcoFlow DELTA Pro Ultra X → · DJI Power 1000 →
Written by Gunner GustafsonUpdated
Whole-Home Backup Tester, Station Arena Test Desk
$7,999.00 · direct from EcoFlow
Last checked 1 day ago. Prices move — check before you buy.
Superseded — buy the V2
DJI has superseded the Power 1000 with the Power 1000 V2 — same $699, with 2,600W output against 2,200W. The original may still be purchasable while stock lasts, but unless it is meaningfully discounted, buy the V2.
Power 1000 V2 · $699.00Spec deltas
The DELTA Pro Ultra X holds exactly twelve times the energy of the Power 1000, 12,288Wh against 1,024Wh, and costs about eleven times as much at $7,999 against $699. That looks like the setup for a value argument. It isn't. These two aren't competing for the same buyer, and the reason has nothing to do with money.
One of them weighs 28.7 lbs and lives wherever you set it down. The other weighs 298.7 lbs, puts out 12,000W at 120/240V, and gets connected to a service panel by someone licensed to do itA1A4. You don't cross-shop those any more than you cross-shop a window unit against central air. If you already know which of those two projects you're on, the rest of this page is a formality. If you don't, that's the only question you need to answer.
The verdict goes to the DJI with a caveat attached. DJI's own current line-up lists a Power 1000 V2, and battery expansion exists on that model and the Power 2000 but not on this one. Before you hand over $699, check the box says what you think it says.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
rated cycles
There's no premium hiding in the $7,999 and no bargain hiding in the $699. Both measures we have, cash today and cash over the whole life of the cells, say these are the same product at two sizes. Which means the move every comparison page reaches for first, find the better value, has nothing to grip here.
DELTA Pro Ultra X: $7,999 for 12,288Wh, listed at 65 cents per watt-hourPower 1000: $699 for 1,024Wh, listed at 68 cents per watt-hourLifetime cost: 19 cents per kWh across 3,500 cycles vs 17 cents across 4,000 cycles
Why it mattersIf you came to find out which one is the smarter buy, stop: they're priced like the same buy. Go decide the size instead.
Line the six results up and the Power 1000's misses sort into two piles. Van life at 4,685Wh a day is the deep pile, and no amount of careful rationing closes 3,815Wh. A remote workday at 910Wh is the shallow one, and it closes with a single wall socket. A four-one scoreline against it tells you nothing about which pile your own week sits in.
Van Life Daily needs 4,685Wh; the Power 1000 is 3,815Wh shortRemote Workday needs 910Wh; the Power 1000 is 40Wh shortBoth count as losses in the six-scenario tally
Why it mattersCount the honest misses rather than the tally. If your day looks like the workday, buy the small one; if it looks like van life, neither box on this page is your answer.
Any outlet at any point in that day closes the gap several times over, since a full refill takes about seventy minutes and you need a sliver of oneB3. The Power 1000 only loses this scenario in the version where you never pass a wall socket between breakfast and dinner.
Remote Workday: 910Wh needed against 870Wh usable after the 85% derateThe shortfall is 40WhAC charging runs about 70 minutes empty to full, roughly 50 minutes to 80%B3
Why it mattersIf your remote day includes a cafe, a truck, or an hour back at the house, treat this as a pass. If it's genuinely off-grid dawn to dusk, size up inside the portable class rather than jumping to a wired system.
weight
The tiebreak is where the box physically lives. A 298.7 lb appliance sits where it's wired, which is a utility wall or a garage, not eighteen inches from your pillow. The Power 1000 is 28.7 lbs, so it goes on the bedroom floor tonight and in the car when you visit your sister. We're breaking this on placement and switchover rather than published noise on purpose: the DELTA Pro Ultra X's 30dBA figure carries no stated load condition, and on a 12,000W inverter that number shouldn't be read as a quiet-unit claim.
CPAP Overnight needs 320Wh: 3% of the DELTA Pro Ultra X's usable capacity, 37% of the Power 1000'sSwitchover is 10ms and 20ms, both inside the band the UPS card calls safe for CPAP machines298.7 lbs against 28.7 lbs
Why it mattersCPAP buyers should be shopping portables. The only version of this where the big unit wins is one where it's already on the wall for reasons that have nothing to do with sleep.
The specific dimensions that decide these two units — everything else is a tie.
Portability & Form Factor
Selected because: One of these is a 28.7 lb carry and the other is 298.7 lbs that two people move once.
weight
28.7 lbs is a one-person lift out of a trunk with a bag of groceries in the other hand. 298.7 lbs is two people, a hand truck, and a decision you make once, because the spot you set it down in is the spot it keeps for the rest of its life.
Weight is the one figure on this page that runs opposite to all the others, and it decides more than they do. Everything the DELTA Pro Ultra X wins, it wins by being an appliance. Everything the Power 1000 wins, it wins by leaving the house.
Your Life, Your Pick
Selected because: Five of the six modelled loads go to the DELTA Pro Ultra X, and this is where we explain why that scoreline doesn't settle the purchase.
One caveat before you read the table: the scenario engine has no class for an installed system, so Weekend Camping and Tailgate Party grade the DELTA Pro Ultra X as though it drove to the site and got carried across a field. It doesn't and it won't. Those two results are arithmetic about watt-hours, not advice about a trip.
The results that do transfer are the stationary ones. An eight-hour blackout at 1,645Wh and a van-life day at 4,685Wh are loads a wired system genuinely serves, and the Power 1000 finishes 775Wh and 3,815Wh short of them respectively. If your real problem is either of those, the scoreline is telling you something true. If your real problem happens at a campsite, it's telling you something irrelevant, confidently.
Lifetime Value
Selected because: At 65 cents per watt-hour against 68, the enormous one is fractionally the cheaper energy, so price can't arbitrate this.
cost / lifetime kWh
The same five-year warranty works out at $1,600 a year on one unit and $140 on the other, and that spread says nothing about the terms and everything about what you've parked in the garage. Both cover five years. Only one of them is a five-year commitment.
Where the cost figures actually bite is cycle life against use. The DELTA Pro Ultra X's 3,500 cycles at 12,288Wh work out to 43,008 kWh over its life, which is real energy at a real price. But you only collect that if you cycle it, and a unit sized for whole-house backup mostly sits at full charge waiting for weather. The Power 1000's 4,000 cycles of 1,024Wh is a smaller pot you'll plausibly empty.
Growth Path
Selected because: Only one of these grows, and how far it grows depends on a configuration you have to specify up front.
solar input
The Power 1000 is sealed at 1,024Wh and that is genuinely its ceiling. Normally we'd shrug at that, since a fixed unit that covers your load is a complete product, not a compromised one. Here it earns a mention for a different reason: DJI's answer to the ceiling isn't an accessory, it's a different model. Expansion lives on the Power 2000 and the Power 1000 V2, which means outgrowing this box means replacing it.
The DELTA Pro Ultra X expands, and this is the one place we'd tell you not to shop on the headline. How far the platform scales depends on how many inverters and batteries are in the configuration, and the top-end figure isn't stated consistently across the material we have on it. Don't buy a ceiling you read somewhere. Make the installer write the exact battery and inverter count on your quote, and treat that as the number.
Brand Trust
Selected because: DJI's own current line-up names a Power 1000 V2, so confirm which model you are actually buying.
DJI arrived in power stations in 2024 with four models, and one of the four is a Power 1000 V2. That is our clearest signal that the unit on this page is the earlier revision of a product that has since been refreshed, and it's why the model number on the box matters more here than on any other comparison we run. The company brings 700+ battery patents and a global repair network from the drone business, but the power-station track record is two years deep and there's no dedicated owner community yet, just discussion inside r/dji. The app scores 3.5/5 on both stores, and those ratings cover the whole DJI ecosystem rather than this product.
EcoFlow is the opposite profile: the deepest catalogue in the category, US phone, email and chat support, and by far the largest owner community. Two things are worth knowing before you wire one into a wall. EcoFlow's support quality is inconsistent rather than uniformly good, and the company doesn't offer parts or service once the warranty has lapsed. On a $699 portable that's a shrug. On a 298.7 lb appliance connected to your panel and expected to outlive its five-year cover, it's a question to ask the installer.
Strengths & trade-offs
EcoFlow DELTA Pro Ultra X
Strengths
- +Larger battery capacity
- +Higher AC output
- +Faster solar charging
Trade-offs
- –Substantially more expensive (+$7,300) than the Power 1000.
- –Significantly heavier (+270 lbs), making it harder to move.
- –Very heavy unit that may be difficult for one person to lift.
DJI Power 1000
Strengths
- +Costs $7,300 less
- +Lighter by 270 lb
Trade-offs
- –Weaker inverter (-9,800W) limits appliance compatibility.
- –Sealed capacity — the DELTA Pro Ultra X 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
2,100Wh across a weekend is two nights of fridge, lights and charging, and the Power 1000 lands 1,230Wh short of it. That's not a trim-your-usage gap, that's more than the entire battery over again. The DELTA Pro Ultra X covers the weekend with most of its capacity untouched. Whether you want that much storage at a campsite is a separate question, and the answer is on the scale.
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 Pro Ultra X
1,645Wh over eight hours is a fridge, some lights, a router and a couple of phones. The Power 1000 brings 870Wh to that and stops 775Wh short, which at an even draw covers a little over half the night. The DELTA Pro Ultra X barely registers the event, and if it's wired into the panel it's restoring circuits rather than devices, which is a different kind of blackout entirely.
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
Power 1000
320Wh is a rounding error for both of these, so we're breaking this one on placement rather than capacity. A 298.7 lb unit lives where it's wired, which is a garage or a utility wall, not next to your pillow. The Power 1000 is 28.7 lbs and sits on the bedroom floor tonight, in a suitcase next month. Both switchover times, 10ms and 20ms, sit inside the band that's safe for a CPAP, so nothing about the transfer argues for the bigger box.
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 Pro Ultra X
The Power 1000 misses this by 40Wh against a 910Wh day, which is the softest loss on the page. On the scoreboard it's a fail; in a working day it's one wall socket, briefly. The DELTA Pro Ultra X takes it outright and uses 9% of its capacity doing so, which is the least interesting way it has ever won anything.
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
Power 1000
Both units run game day, and the gap is in reserve rather than capability: 6% used against 77%, with 200Wh left in the Power 1000 when the DELTA Pro Ultra X has barely started. Two hundred watt-hours is thin if the game goes long or a second cooler shows up. It's also worth noticing what the percentages leave out, which is that one of these two weighs 298.7 lbs and the other weighs 28.7.
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
DELTA Pro Ultra X
4,685Wh a day is the load that ends the argument. The Power 1000 is 3,815Wh short of it, and no amount of careful usage closes a gap bigger than three of these batteries stacked together. The DELTA Pro Ultra X handles the day on 45% of its capacity. If this is genuinely your daily draw, you're shopping for an installed system with a real solar array, not for a portable.
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 Pro Ultra X runs 51h vs 4.2h.
$7,999 list · direct from EcoFlow
Modeled from the spec record — same math as the tables below. Methodology
Runtime by appliance
Real-world runtime estimates for common appliances, modeled at 85% inverter efficiency.¹
Essentials
The basics you need runningscale 0–696.3hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–139.3hHigh-Draw Appliances
These reveal the real limitsscale 0–10.4h¹ 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
August 9, 2026
Verdict: the DJI Power 1000
Buy the Power 1000, and check you're buying the model DJI currently sells. At $699 and 28.7 lbs it does the thing you came here for, which is power that moves. The DELTA Pro Ultra X beats it on every capacity measure on this page and still isn't a rival: it's 298.7 lbs delivering 12,000W at 120/240V, wired into a service panel as a scheduled installA1A4. If you have that project you knew it before you opened this page, and the DJI was never a candidate. If you don't, twelve times the storage buys you nothing you can lift. One caveat sits on the DJI side and it's real: DJI's current line-up names a Power 1000 V2, and battery expansion arrived on that model and the Power 2000 rather than on this one. Confirm the model number before you pay.
Editor-assigned confidence, based on cited owner research and spec analysis.
List prices as of August 9, 2026. The links below open EcoFlow's and DJI's current prices.
$699.00 · direct from DJI
Last checked 1 day ago. Prices move — check before you buy.
or check the DELTA Pro Ultra X price$7,999.00 list
Written by Gunner Gustafson, Whole-Home Backup Tester · Station Arena Test Desk · Updated August 9, 2026
Measured Data
Benchmark scores and the full spec record, side by side.
Benchmark scores
Not rated for both units (minimum threshold unmet): UPS, RV Living, CPAP, Solar Generator, Tailgating, Apartment Balcony, 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 Pro Ultra X rates 4.3/5 (61st percentile of 29 Whole-Home / Off-Grid-class units), and Power 1000 rates 3.8/5 (31st 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.
298.7 lbs: This Is Not a Placement Decision
Calling this a placement decision undersells it. At 298.7 lbs with a 120/240V output running into a panel, where this unit sits is part of an installation, not a furniture choice you revisit in spring. Settle the location before delivery day, because relocating it later means relocating the wiring with it.
Fixed at 1,024Wh, and the Growth Path Is a Different Model
The Power 1000's ceiling is real, and DJI's fix for it isn't an accessory: expansion arrived on the Power 2000 and the Power 1000 V2 rather than on this unit, so outgrowing this box means replacing it. The honest catch on the other side, since we're picking the small one: the DELTA Pro Ultra X's expansion ceiling depends on how many inverters and batteries the configuration carries, and the top-end figure isn't stated consistently across the material we have. Get the exact count written on your quote instead of trusting a headline.
Both Clear the Bar; Only One Clears a House
A 2x surge ratio is the threshold this card cares about, and the Power 1000 meets it at 4,400W against 2,200W continuous. So the ratio isn't the story. The ceiling is: 45,000W is sized for a house full of compressors trying to start at the same moment, while 4,400W is sized for one fridge and a power tool. Both are enough for what they're for.
10ms vs 20ms, and Why It Barely Matters Here
Both switchover times are inside the safe window for desktops, routers, NAS drives and CPAP machines, so neither will drop a session or a night's sleep. The difference that counts isn't the milliseconds, it's the scope: only the DELTA Pro Ultra X is wired to the panel, so only one of these is protecting circuits rather than whatever happens to be plugged into it.
Warranty: No Difference
Both units carry the same 5-year warranty, so coverage isn't a tiebreaker here. The Power 1000's figure is a maximum rather than a guarantee — it depends on buying from DJI's own store, which is where the full five years is advertised. Worth saying because the per-dollar framing can suggest otherwise: the Power 1000 works out at 7.2 years of cover per $1,000 spent against the DELTA Pro Ultra X's 0.6, but that spread is the price gap, not the terms.
Full record above — the Test Desk pick is the Power 1000.
Check Power 1000 price →or check the DELTA Pro Ultra X 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 ($0.19/kWh vs $0.17/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 Power 1000 takes longer to reach its cycle rating, but a cycle moves a different amount of energy on each unit — the DELTA Pro Ultra X still delivers more over its shorter horizon (43,008 vs 4,096 kWh). Years measure wear, not usefulness.
Brand trust
EcoFlow
Ecosystem
The deepest catalogue in portable power, spanning DELTA Pro, DELTA 3 and RIVER 3 alongside panels and smart home panels, which is what makes an expandable platform credible rather than aspirational.
Support
US phone, email and chat support, and the largest owner community in the category. Support quality is inconsistent rather than uniformly good, and the company doesn't offer parts or service once the warranty has lapsed, which is a sharper question on a wired appliance than on a portable.
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
Fast-charging technology and the widest expansion architecture anyone offers, plus an innovation cadence nobody in the category matches.
Worth knowing
Tested subscription paywalls for advanced app features in early 2025 before community backlash paused the plan. No parts or service offered out of warranty.
DJI
Ecosystem
Four power station models since 2024, and one of them is a Power 1000 V2, which places this unit as the earlier revision of the line rather than its current form.
Support
Leveraging DJI's established global support and repair center network from the drone business. Generally positive reputation inherited from drone operations, but limited power-station-specific track record.
Community
No dedicated power station community exists yet. Conversation happens inside r/dji, which is roughly a quarter of a million people who are mostly there about drones.
App experience
Rated 3.5/5 iOS and Android (DJI Home app ratings reflect entire DJI ecosystem including drones/cameras, not power-station-specific). Users report the on-device screen is more reliable than the app.
Unique strength
Quiet operation across the whole line, LFP cells rated past 4,000 cycles, 700+ battery patents carried over from drone development, and SDC ports that fast-charge DJI batteries directly.
Worth knowing
Check the model number on the listing before you buy. Battery expansion is available on the Power 2000 and the Power 1000 V2 but not on this unit or the Power 500, and there's no built-in solar charge controller here, so solar needs a separate proprietary adapter. The SDC advantage is worth real money if you already own DJI gear and nothing at all if you don't.
Analyst note
One of these brands has spent years building the widest power ecosystem in the category and has the mixed support record that comes with that volume. The other has two years in power stations, a formidable hardware pedigree from somewhere else, and a line-up that has already moved past the model on this page. Neither of those is a reason to choose, but the second one is a reason to read the listing carefully.
Growth path
DELTA Pro Ultra X
EXPANDABLESupports EcoFlow expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 12,288Wh.
Accepts up to 10,000W of solar. Enough for a serious multi-panel array.
Adequate ports for most setups, but heavy users may want a power strip.
Expansion batteries are EcoFlow-specific. You're investing in the EcoFlow ecosystem.
Power 1000
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 800W 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 Power 1000 is sealed at 1,024Wh, which is fine if that covers you. The DELTA Pro Ultra X starts at 12,288Wh and can grow beyond it with EcoFlow expansion batteries — real headroom the Power 1000 doesn't have if your needs climb toward partial-home backup.
What Owners Report
Patterns from published owner reports and long-term reviews — every claim cited to its source below.
EcoFlow DELTA Pro Ultra X
There is no owner evidence for the DELTA Pro Ultra X yet, and we'd rather say that than dress up launch coverage as field experience. What exists comes from the manufacturer and from reviewers working with pre-release or freshly installed unitsA1A2A3A4: 12kW continuous at 120/240V with surge handling to 45kWA1, EV-grade full-tab LFP cells with 24/7 BMS oversight and solar input to 10kWA3, and a quick-connect design that reviewers describe as cutting installation time and cost by up to 80%, with a system ready in about seven daysA4. It picked up a CES 2026 Innovation Award at its $7,999 base priceA4.
None of that is nothing, but none of it is a second winter either. Every entry we hold traces back to the manufacturer's own material or to launch reviews built on itA1A2A3A4, which means nobody in the record has yet lived with this system through a cold snap, a firmware cycle, or a warranty claim. If you're spending $7,999 on a wired appliance, that absence is itself a data point worth weighing.
“Base config delivers 12kW continuous at 120/240V — enough to power every circuit including a 5-ton AC — scaling to 12-36kW with surge handling to 45kW via Adaptive Start.”
Sources
ecoflow.com · outboundpower.com · bobvila.com · thesolarlab.com
DJI Power 1000
The Power 1000's field record is thicker and it's consistent on one thing above all: it's quiet. Reviewers put it at the quiet end of the category, near-silent under normal loads, with sound only becoming noticeable past 1,500W and reading as a soft whoosh rather than a whine even thenB1. The fan stays barely audible during full-speed AC charging, which runs about 70 minutes from empty and roughly 50 minutes to 80%B3.
It also holds up above its own spec sheet. One test ran it at 2,400W, past its 2,200W rating, for twenty minutes with no shutdown and no noise complaintB2. Across a week-long camping trip it carried a 45W compressor fridge alongside phones, laptops and lights, and it has a following among drone pilots who charge batteries off it while everything else keeps runningB4.
“Whisper-quiet operation — one of the quietest power stations in its class, nearly silent under normal loads; sound only becomes noticeable past 1,500W, and even then it's a soft whoosh rather than the high-pitched whirring you'd get from BLUETTI or EcoFlow.”
Sources
thesolarlab.com · trailandkale.com · offgridbenchmark.com · superfashion.us · dronexl.co
Sources & Research Notes
Every owner claim in this report is traceable to a published source. The bracketed references above resolve here.
Recurring owner themes
- Whole-home 12kW output, massive scalability (to 184kWh), EV-grade LFP, 10kW solar, and fast install are the standout features. [DELTA Pro Ultra X · 3 entries]
- Standout quiet operation (quieter than EcoFlow/BLUETTI), robust real-world output above its rating, and appeal to drone pilots and campers are the consistent themes. [Power 1000 · 3 entries]
- A1
“Base config delivers 12kW continuous at 120/240V — enough to power every circuit including a 5-ton AC — scaling to 12-36kW with surge handling to 45kW via Adaptive Start.”
ecoflow.com / outboundpower.com — DELTA Pro Ultra X review · 2026 · [positive]
- A2
“Base 12.288kWh of LFP storage (6,144Wh x 2), expandable to 61.44kWh with one inverter and up to 184.32kWh with three inverters and thirty batteries.”
ecoflow.com / outboundpower.com — DELTA Pro Ultra X · 2026 · [positive]
- A3
“EV-grade full-tab LFP cells with a multi-layer safety architecture and 24/7 BMS oversight; solar charging up to 10kW.”
ecoflow.com / bobvila.com — DELTA Pro Ultra X review · 2026 · [positive]
- A4
“A quick-connect design cuts installation time and cost by up to 80%, ready in about 7 days; a CES 2026 Innovation Award Honoree at a $7,999 base price.”
ecoflow.com / thesolarlab.com — DELTA Pro Ultra X review · 2026 · [positive]
- B1
“Whisper-quiet operation — one of the quietest power stations in its class, nearly silent under normal loads; sound only becomes noticeable past 1,500W, and even then it's a soft whoosh rather than the high-pitched whirring you'd get from BLUETTI or EcoFlow.”
thesolarlab.com / trailandkale.com — DJI Power 1000 review · 2026 · [positive]
- B2
“Tested at 2,400W — slightly above its 2,200W output rating — for 20 minutes and handled it without loud noise or automatic shut-offs.”
offgridbenchmark.com / superfashion.us — DJI Power 1000 review · 2026 · [positive]
- B3
“AC charging takes about 70 minutes from 0% to 100% (about 50 minutes to 80%), and during full-speed charging the fan barely makes a sound.”
thesolarlab.com — DJI Power 1000 review · 2026 · [positive]
- B4
“Over a week-long camping trip it powered a 45W compressor fridge, phones, laptops, and LED lights; it's also a favorite of drone pilots for fast-charging DJI batteries while running other devices.”
offgridbenchmark.com / dronexl.co — DJI Power 1000 review · 2026 · [positive]
Research compiled August 9, 2026.
What Owners Actually Report
Drawn from 138 comments on independent review channels — not from retailer reviews, which skew to the first week of ownership. Each line is our summary of one commenter's claim, linked to the original. We record what they said, including where it contradicts the spec sheet.
EcoFlow DELTA Pro Ultra X
11 claims from 7 comments · 2 from owners · 0 with figures
- Shipping
- 1 · 100% negative
- Build quality
- 2 · 82% negative
- Price & value
- 3 · 100% negative
- Solar input
- 2 · 48% negative
- Expandability
- 2 · 0% negative
What owners complain about
Ordered a DPUX at launch and was shipped a plain DPU battery instead; returned it.
Shippingowner9 agreedsource →
Refuses to use the included DC isolator rotary switch over arc-fault fire risk; uses own breakers.
Build qualityowner1 agreedsource →
Believes EcoFlow relabeled the DPU battery as DPUX and raised the price.
Price & value9 agreedsource →
What owners praise
Says it is the exception among portables that is not solar-input limited, at a much higher price.
Solar input6 agreedsource →
An excellent whole-home backup alternative to a traditional generator.
Other4 agreedsource →
Adding batteries or a second inverter is plug-and-stack versus bus bars, fuses and conduit.
Expandability5 agreedsource →
DJI Power 1000
200 claims from 131 comments · 98 from owners · 31 with figures
- Price & value
- 33 · 11% negative
- Charging
- 22 · 20% negative
- Solar input
- 28 · 52% negative
- App & firmware
- 27 · 79% negative
- Other
- 20 · 53% negative
What owners complain about
Bought and tested it: 140W is out of the USB-C port's league.
Chargingmeasuredowner9 agreedsource →
The 400W MPPT modules run hot and throttle solar watts until he added copper heatsinks.
Build qualitymeasuredowner5 agreedsource →
Says the inverter draws about 50W, which DJI never mentions but which decides real autonomy.
Idle drainmeasuredowner1 agreedsource →
What owners praise
Ordered one on Amazon for under $400 in a November deal.
Price & valuemeasuredowner11 agreedsource →
SDC ports charge Mavic 3 batteries about 50% faster than the 120V fast charger; USB-C rated 140W.
Chargingmeasuredowner5 agreedsource →
Confirms DJI's quietness claim while charging is not exaggerated.
Noiseowner38 agreedsource →
Claims are weighted by how specific they are, whether the commenter owns the unit, and how many readers agreed. Comments that mention a product under a rival's review count for more, because the commenter had no reason to be there. This is what buyers report, not our test results — for measurements we ran ourselves, see the methodology.
Who Should Buy Which
Buy the DELTA Pro Ultra X if you…
- →You have a service panel, an electrician's number, and a house that goes dark for days rather than hours. 12,000W at 120/240V covers real household circuits including heavy compressor loadsA1, and the install is measured in daysA4.
- →You're building around solar. It accepts up to 10,000W of panel input, which is more array than most roofs carry, so the battery won't be the thing that caps the system.
- →You expect your load to grow and would rather add batteries than replace a system. Get the exact inverter and battery count written onto the quote before you sign, because that configuration is what determines your real ceiling.
Buy the Power 1000 if you…
- →You want power that leaves the house with you. 28.7 lbs, and it ran a 45W compressor fridge plus phones, laptops and lights across a full week of campingB4.
- →You sleep next to it. A CPAP night is 320Wh, about a third of what this holds, and the unit is small enough to sit on the bedroom floor and travel in a suitcase.
- →You fly DJI gear. The SDC ports fast-charge drone batteries while the station keeps running everything else, which is why drone pilots keep landing on this unitB4.
- →Your worst-case outage is one evening. Be honest about the load, though: the modelled eight-hour blackout at 1,645Wh is 775Wh beyond this box, so plan on a fridge, a router and phones rather than the whole house.
This is you — check the Power 1000 price
If neither fits
Skip both if what you want is your fridge, your furnace and your well pump coming back on by themselves and staying up for days, without an electrician in the house. The Power 1000 isn't close to that load, and the DELTA Pro Ultra X is the electrician. That middle ground belongs to the wheeled portables that sit between these two in size, paired with a transfer switch, and pricing that combination is a better use of an afternoon than choosing between these two. Also skip both if you only ever need to top up phones, cameras and a laptop, since a large power bank does that for a fraction of $699 and weighs nothing.
The Bottom Line
Buy the Power 1000, and check the model number twice on the way to checkout. The reasoning isn't that it beats the DELTA Pro Ultra X, because it doesn't beat it at anything involving watt-hours. It's that the two are priced within three cents per watt-hour of each other, which means the price gap you're looking at is pure size, and size is a question about your house rather than your budget. If the answer involves an electrician and a service panel, you already knew that and the DJI was never on your list.
Everyone else is buying the thing they can pick up. 28.7 lbs, quiet enough to sleep besideB1, and a week of camping already on its record with a fridge running off itB4. The one thing standing between you and it is a version number, so make sure the listing says the model you meant to buy.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Are the DJI Power 1000 and the EcoFlow DELTA Pro Ultra X actually competitors?
No. The Power 1000 is a 28.7 lb portable you carry to wherever you need it; the DELTA Pro Ultra X is a 298.7 lb system delivering 12,000W at 120/240V that gets wired into a service panel. They show up in the same search results because both store electricity, which is roughly the logic that would put a bicycle against a delivery van. Decide whether you're buying a box or commissioning an installation, and the comparison resolves itself.
Is the DJI Power 1000 discontinued, and should I buy the V2 instead?
DJI's current power station line-up is four models and it lists a Power 1000 V2, not the base Power 1000 on this page, which reads as this unit being the earlier revision. Battery expansion is available on the V2 and the Power 2000 but not on this one, which is the practical difference to weigh. If you find the base model at $699 and the capacity suits you, the hardware is well reviewed and nothing about it stopped working. Just confirm the exact model on the listing before you pay, because the two aren't interchangeable on expansion.
Will the DJI Power 1000 run my fridge during a power cut?
Starting it isn't the problem: 2,200W continuous with a 4,400W surge ceiling handles a household fridge's startup draw comfortably, and one test held 2,400W for twenty minutes without shutting down. The limit is the day's total energy, not the wattage. You have 870Wh usable after the standard 85% derate, so a 45W compressor fridge like the one it ran across a week of camping is easy, while a full-size fridge plus lights plus everything else runs the modelled eight-hour blackout 775Wh past what this holds.
How long does the DELTA Pro Ultra X actually last in a blackout?
It holds 10,445Wh usable after the 85% derate. The modelled eight-hour blackout draws 1,645Wh, so 10,445 divided by 1,645 is about six of those eight-hour stretches, or roughly two days of that particular load before it's empty. Push the load up toward whole-house use with air conditioning and that number drops sharply, which is why the 12,000W output figure matters more than the capacity for anyone sizing this against a real panel. Pair it with solar and the arithmetic changes again, since it accepts up to 10,000W of input.
Which one is quieter?
The Power 1000, and it's not close on the evidence we have. Reviewers consistently place it at the quiet end of the category, with sound only becoming noticeable above 1,500W and the fan staying nearly silent even during full-speed charging. The DELTA Pro Ultra X publishes 30dBA, but that figure comes with no stated load condition, and a 12,000W inverter under real load is not a 30dBA object. Treat the published number as unverified rather than as a quiet-unit claim.
Check Power 1000 price →
Brand matchup
EcoFlow vs DJI: measured across every matchup →Where to buy
EcoFlow DELTA Pro Ultra X
$7,999.00
$7,999.00 · direct from EcoFlow
Last checked 1 day ago. Prices move — check before you buy.
DJI Power 1000Pick
$699.00
$699.00 · direct from DJI
Last checked 1 day ago. Prices move — check before you buy.
Prices may vary by retailer and are subject to change.