Head-to-head test
EcoFlow DELTA 3800 Gen4 vs BLUETTI Elite 320Only One of These Grows. Will You Ever Grow It?
The DELTA 4 (3800) is the first piece of a bigger system, and it's priced like one. I'd buy the Elite 320 unless you already know you'll add panels or batteries.
Black Friday Β· 23 days out
Price to beat:Elite 320 $936
The lowest we have recorded. A Black Friday price above it is a sale this unit has already had.
Full profiles: EcoFlow DELTA 3800 Gen4 β Β· BLUETTI Elite 320 β
Written by Gunner GustafsonUpdated
Whole-Home Backup Tester, Station Arena Test Desk
Spec deltas
Gunnerβs take
Whole-Home Backup Tester
The DELTA 4 (3800) is the first box of a system, and the Elite 320 is the whole system.
EcoFlow's 3,763 Wh unit has an extra-battery port and two solar inputsA5A6. BLUETTI's 3,200 Wh unit has one solar input and no port, so what you buy is the ceiling.
On paper, the EcoFlow leads almost everywhere.
563 Wh more battery, 3,600 W against 1,800 W, twice the solar input, and 7.5 lb less to lift. The Elite 320 answers with wheels, a car-style 12 V outlet and a price of $1,100.
The bill for all that is $1,099.
The DELTA 4 (3800) lists at $2,199, and EcoFlow says it ships in late NovemberA10. That's far more per watt-hour than the Elite, so the extras have to be things you'll actually use.
What the Numbers Reveal
Each conclusion stated first β the numbers behind it on one line, the full analysis below.
One DELTA 3 Max Plus battery is bigger than the DELTA 4's 1,486 Wh shortfall, even after the same 85% derate the engine appliesA6. The Elite 320's only route to that day is a second Elite 320, inverter and all.
DELTA 4 (3800): a port for up to two extra batteries; the DELTA 3 Max Plus battery holds 2,048 WhA6Elite 320: sealed at 3,200 WhVan Life Daily needs 4,685 Wh: the DELTA 4 (3800) is 1,486 Wh short, the Elite 320 1,965 Wh short
Why it mattersIf your plan could ever pass 3,200 Wh, the Elite is a dead end and the DELTA 4 (3800) isn't.
Capacity
Panels rarely hit their rating, so both take longer in practice, and the ratio holds. Each EcoFlow input takes up to 60 V of open-circuit voltage, the panel's voltage with nothing connected, printed on the back as VocA5. That leaves room for two separate strings of panels, even from different makers.
DELTA 4 (3800): two solar inputs, 11 to 60 V, 1,000 W eachA5Elite 320: 1,000 W of solar inputCapacities: 3,763 Wh and 3,200 Wh
Why it mattersIf you own panels or plan to, the second input is worth more than the extra 563 Wh.
continuous output
The DELTA 4's premium buys output and growth, and both pay only when you spend them. A house that runs a fridge, a router and the lights never touches 1,800 W. For that house the extra money buys headroom nobody uses.
8-Hour Blackout: 1,645 Wh, 60% of the Elite 320's usable batteryElite 320: 1,800 W continuous, 3,600 W surgeDELTA 4 (3800): 3,600 W continuous, 7,200 W surgeA2
Why it mattersBe honest about the plan. If it's one box under 1,800 W, take the Elite.
The specific dimensions that decide these two units β everything else is a tie.
Growth Path
Selected because: One adds EcoFlow's extra batteries. The other stops at 3,200 Wh.
solar input
The DELTA 4 (3800) borrows batteries from EcoFlow's bigger units. Its port takes up to two extra batteries, the DELTA Pro 3's or the DELTA 3 Max Plus's, through EcoFlow's expansion adapterA6. EcoFlow quotes 4 to 12 kWh in allA6. The Elite 320 has no port at all.
Growing costs money on top of the gap. Every extra battery is its own purchase. Budget for at least one now, because a system you never grow is an expensive single box.
Your Life, Your Pick
Selected because: Weekend Camping goes to the DELTA 4 (3800), and Van Life Daily beats both on their own.
The weekend is where the bigger battery shows. Both finish Weekend Camping, but the DELTA 4 (3800) ends it with 1,099 Wh in hand against 620 Wh. That's 479 Wh more slack for a cold night or an extra device.
Everything else goes to both, except the van. The eight-hour blackout leaves each with over 1,000 Wh. Van Life Daily needs 4,685 Wh and beats both on their own, which is the growth argument seen from the other side.
What the Specs Don't Tell You
Selected because: 3,600 W against 1,800 W, and only one maker publishes a noise figure.
rated cycles
The Elite's real limit is 1,800 W, and Power Lifting doesn't move it for motors. Power Lifting runs resistive loads up to 2,700 W by feeding them lessB1. A pump or a compressor gets the plain 3,600 W surge. The DELTA 4 (3800) runs 3,600 W continuously, the Elite's surge as a steady load, and surges to 7,200 WA2.
Only one maker publishes a noise figure. EcoFlow rates the DELTA 4 (3800) at 40 dB or less up to 1,800 WA8. BLUETTI publishes none for the Elite 320, which is no evidence either way. If the box sits beside a bed for a CPAP, that's the one published number on the table.
Portability & Form Factor
Selected because: 67.5 lb on two handles against about 75 lb on wheels.
weight
In the makersβ pictures
What youβd actually be living with
Every port, labelled
What plugs in where, and how much it takes
EcoFlow DELTA 3800 Gen4
Front panel
- 1USB-C Β· 140 WOutUp to 140 W (USB-PD up to 28 V at 5 A). The port for a laptop.
- 22Γ USB-C Β· 65 WOutUp to 65 W each. EcoFlow says these two and the USB-A share 16 W when two or more are in use at once.
- 3USB-A Β· 36 WOutUp to 36 W (5, 9 or 12 V at 3 A).
- 430 A twist-lockOutA three-slot twist-lock marked 30A MAX, rated 30 A at 120 V on the US unit.
- 54Γ 20 A outletsOutFour T-slot 120 V outlets rated 20 A each, sharing 3,600 W continuous and a 7,200 W surge.
Photo: EcoFlow Β· Product image, EcoFlow Japan store Β· numbers and labels are ours. Ratings from EcoFlowβs US spec table; outlet shapes read by us from EcoFlowβs picture, taken of the Japanese unit, which shares the US panel.
Input side
- 12Γ Solar/DC in Β· 1,000 WInTwo inputs, each 11 to 60 V, up to 20 A, 1,000 W: 2,000 W of panels in all.
- 2AC in Β· 1,800 WIn100β120 V at 15 A. Charges at up to 1,800 W, which at 120 V is the whole of an ordinary 15 A circuit.
- 3Battery portIn Β· OutTakes up to two of EcoFlowβs DELTA 3 Max Plus or DELTA Pro 3 extra batteries; EcoFlow quotes 4β12 kWh.
Photo: EcoFlow Β· Product image, EcoFlow Japan store Β· numbers and labels are ours. Ratings from EcoFlowβs US spec table and the panelβs own printing.
BLUETTI Elite 320
Front panel
- 1Solar/DC in Β· 1,000 WInPrinted 12V-60V/20A/1000W: up to 1,000 W of solar into an XT60 input, by BLUETTIβs manual. It also takes a 12 V or 24 V car socket.
- 212 V car socket Β· 120 WOutA covered car socket printed 12V/10A; BLUETTIβs manual rates it 120 W.
- 32Γ DC5521 Β· 60 WOutTwo 5.5 mm barrel outputs, printed 12V/8A together: 60 W each, 96 W in all by BLUETTIβs manual. They share 10 A with the car socket.
- 42Γ USB-C Β· 2Γ USB-AOutUSB-C printed 140W on the left and 100W on the right, with two USB-A ports between them printed 15W each (30 W together, BLUETTIβs manual says).
- 54Γ 120 V outletsOutFour T-slot 120 V outlets sharing 1,800 W (printed on the panel) and a 3,600 W peak, by BLUETTIβs US product page. Power Lifting runs heaters and kettles up to 2,700 W, BLUETTIβs manual says.
The AC charging inlet, a circuit breaker and a grounding terminal are on the right side, by BLUETTIβs manual; BLUETTI shows no US picture of that side. No battery port: the Elite 320 doesnβt take extra batteries.
Photo: BLUETTI Β· Product image, BLUETTI US site Β· numbers and labels are ours. Ratings printed on BLUETTIβs panel and listed in BLUETTIβs Elite 320 manual; the surge figure from BLUETTIβs US product page.
Strengths & trade-offs
EcoFlow DELTA 3800 Gen4
Strengths
- +Lighter by 7.5 lb
- +Larger battery capacity
- +Higher AC output
- +Faster solar charging
- +Rated for 6,000 charge cycles β much longer battery lifespan
Trade-offs
- βSubstantially more expensive (+$1,099) than the Elite 320.
BLUETTI Elite 320
Strengths
- +Costs $1,099 less
Trade-offs
- βWeaker inverter (-1,800W) limits appliance compatibility.
- βSealed capacity β the DELTA 3800 Gen4 can add batteries to grow past 3,200Wh; this one can't.
- βShorter-lived battery β rated for 3,000 charge cycles vs the DELTA 3800 Gen4's 6,000, so it wears out sooner.
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 Β· 2 nights Β· needs 2,100Wh
Weekend Camping
Two nights off-grid with essential comfort
DELTA 3800 Gen4
Both finish the 2,100 Wh weekend. The DELTA 4 (3800) ends it with 1,099 Wh left, the Elite 320 with 620 Wh.
Battery budget usedlower = more headroom
LOADΒ Β Phone Charger 15WΓ6h Β· LED Lights 40WΓ8h Β· Box Fan 75WΓ14h Β· CPAP Machine 40WΓ16h
SCN-02 Β· 8 hours Β· needs 1,645Wh
8-Hour Blackout
Keep the essentials running through a night without power
Either unit
Both finish the 1,645 Wh night with more than 1,000 Wh left. For one night, the cheaper box does the same job.
Battery budget usedlower = more headroom
LOADΒ Β Fridge 150WΓ8h Β· Router + Modem 20WΓ8h Β· LED Lights (4 bulbs) 40WΓ6h Β· Phone Charger 15WΓ3h
SCN-03 Β· 8 hours Β· needs 320Wh
CPAP Overnight
Sleep therapy without interruption β the #1 medical use case
Either unit
A CPAP is about 40W for eight hours, so both of these cover the night several times over β capacity isn't the question here. What would separate them is fan noise, but Elite 320 doesn't publish a figure, so there's nothing to hold it to. Buy on price, weight, and whether you can live with a fan you haven't heard.
Battery budget usedlower = more headroom
LOADΒ Β CPAP Machine 40WΓ8h
SCN-04 Β· 8 hours Β· needs 910Wh
Remote Workday
Full work day off-grid without power anxiety
Either unit
Both power your workstation all day without strain, and their USB-C output is a wash β pick on weight, ports, or price.
Battery budget usedlower = more headroom
LOADΒ Β Laptop 60WΓ8h Β· External Monitor 30WΓ8h Β· Router + Modem 20WΓ8h Β· Phone Charger 15WΓ2h
SCN-05 Β· 4 hours Β· 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 67.5 lbs the DELTA 3800 Gen4 is the one you'll be glad you brought. Fan noise under load is worth a listen too β it's audible in the lulls between songs.
Battery budget usedlower = more headroom
LOADΒ Β Blender 400WΓ0.5h Β· LED TV (55") 80WΓ4h Β· Bluetooth Speaker 15WΓ4h Β· Phone Charger (Γ3) 45WΓ2h
SCN-06 Β· 24 hours Β· needs 4,685Wh
Van Life Daily
A full day of mobile living β the ultimate endurance test
Neither unit
Neither covers 4,685 Wh on its own battery. The DELTA 4 (3800) can add an extra battery to get there. The Elite 320 can't.
Battery budget usedlower = more headroom
LOADΒ Β Mini-Fridge 150WΓ24h Β· Laptop 60WΓ4h Β· Phone Charger 15WΓ3h Β· LED Lights 40WΓ5h Β· Fan 75WΓ8h
The Load Test
RUNTIME = (Wh Γ 0.85) Γ· 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 3800 Gen4 runs 15.6h vs 13.3h.
$2,199 list Β· direct from EcoFlow
Planning for more than this? Describe your whole setup and get it sizedΒ β
Modeled from the spec record β same math as the tables below. Methodology
Runtime by appliance
Real-world runtime estimates for common appliances, modeled at 85% inverter efficiency.ΒΉ
Essentials
The basics you need runningscale 0β213.2hComfort & Convenience
Makes off-grid life actually enjoyablescale 0β42.6hHigh-Draw Appliances
These reveal the real limitsscale 0β3.2hΒΉ Runtime = (capacity Γ 0.85) Γ· 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 β see methodology.
Conclusion
November 4, 2026
Verdict: the BLUETTI Elite 320
Buy the Elite 320 unless you'll grow the system. For a house that backs up a fridge, a router and the lights, its 3,200 Wh and 1,800 W finish every scenario we run except Van Life Daily, which beats both, and it costs far less per watt-hour. The DELTA 4 (3800) is the more capable machine: 563 Wh more, twice the inverter, two solar inputs and a port for two extra batteries, which EcoFlow puts at 4 to 12 kWh in allA6. If you'll add panels or batteries in the next year or two, buy the EcoFlow and don't look back.
Today the Elite 320 is $936.25, $163.74 under its typical $1,099.99. The verdict weighs typical prices, not today's. Prices checked 31 days ago.
Editor-assigned confidence, based on cited owner research and spec analysis.
List prices as of November 4, 2026. The links below open EcoFlow's and BLUETTI's current prices.
$936.25 Β· direct from BLUETTI
down from $1,100 Β· 15% below usual
Last checked 31 days ago. Prices move β check before you buy.
or check the DELTA 3800 Gen4 price$2,199.00 list
Written by Gunner Gustafson, Whole-Home Backup Tester Β· Station Arena Test Desk Β· Updated November 4, 2026
Measured Data
Benchmark scores and the full spec record, side by side.
Benchmark scores
Not rated for both units (minimum threshold unmet): Apartment Balcony.
Full specifications
α΅ Derived: price Γ· rated capacity. See the data behind our comparisons β
Comparison ToolAdd more power stations, side by sideOpen Tool βHow these numbers are produced
Numeric verification
Every figure on this page traces to our spec database or arithmetic on it β no estimated numbers.
Owner claims
Statements about owner experience are cited to published reviews β see Sources & Research Notes below.
Runtime model
Runtime = (rated capacity Γ 0.85 inverter efficiency) Γ· 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 βClass ranking (the star rating)
Each unit's star score is a category ranking, not customer reviews β 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 5β . Here, DELTA 3800 Gen4 rates 4.1/5 (48th percentile of 22 Home Backup-class units), and Elite 320 rates 4.1/5 (46th percentile of 29 Large-class units).
How the class ranking is computed βTest Notes & Caveats
Hidden gotchas and advantages we spotted that you won't find on the product page.
Lighter, but the Heavier One Rolls
The DELTA 4 (3800) is 67.5 lb and the Elite 320 about 75 lb, 7.5 lb apart. The Elite rolls on wheels with a telescoping handle. The DELTA 4 carries by a handle at each end.
Only One of These Grows
The Elite 320 is sealed at 3,200 Wh. The DELTA 4 (3800) takes EcoFlow's extra batteries, so outgrowing it means buying a battery rather than a second inverter.
Elite 320: Power Lifting to 2,700W
The Elite 320 has BLUETTI's Power Lifting mode, which runs a resistive appliance rated up to 2,700W from its 1,800W inverter. It does that by delivering less power than the appliance asks for, not more than the inverter has: the heater still works, it just heats more slowly. Two things follow. BLUETTI scopes the mode to purely resistive loads β a heater, a kettle, an incandescent lamp β so it does nothing for a fridge compressor, a pump or a power tool; for motor loads the figure to read is the Elite 320's separate 3,600W surge peak, not this one. And it is not a reason to size down, because running a load that big from 3,200Wh is a short session either way. Genuinely useful if a heater or a kettle is why you're buying; beside the point otherwise. EcoFlow's X-Boost works the same way, running a resistive load past the inverter's rating at reduced power, but our record for the DELTA 3800 Gen4 carries no X-Boost figure, so check EcoFlow's spec sheet before comparing the two ceilings.
Warranty: No Difference
Both units carry the same 5-year warranty, so coverage isn't a tiebreaker here. Both figures are maximums rather than guarantees: EcoFlow's depends on registering the unit in the EcoFlow app, which adds two years to a three-year standard term; BLUETTI's on buying direct from BLUETTI or registering the unit, since reseller purchases carry a shorter term. Worth saying because the per-dollar framing can suggest otherwise: the Elite 320 works out at 4.5 years of cover per $1,000 spent against the DELTA 3800 Gen4's 2.3, but that spread is the price gap, not the terms.
Battery Lifespan in Real Years
The DELTA 3800 Gen4 is rated for 6,000 cycles vs 3,000. In real life: at daily use, that's 16.4 vs 8.2 years. At weekend use (twice a week), it's 58 vs 29 years. After hitting the cycle limit, the battery doesn't die β it drops to ~80% of original capacity, which is still very usable.
Elite 320: Noise Level Not Disclosed
The DELTA 3800 Gen4 publishes its noise level (40dB); the Elite 320 doesn't publish one. That isn't evidence the Elite 320 is louder β it means there's no figure to hold it to, and no way to compare the two on this without hearing them. If you're buying for a bedroom, a CPAP, or an apartment, treat the DELTA 3800 Gen4's 40dB as the only published number on the table β a spec-sheet figure, not a measurement β and look for hands-on reports of the Elite 320 before deciding.
Full record above β the Test Desk pick is the Elite 320.
Check Elite 320 price βor check the DELTA 3800 Gen4 priceOwnership Analysis
What happens after you buy β 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
β warranty ends Β· Reaching the cycle rating means ~80% capacity remains β degraded, not dead.
Analyst note
The Elite 320 is cheaper to buy, but the DELTA 3800 Gen4 is cheaper to own. At $0.10/kWh over its lifetime vs $0.11/kWh, the DELTA 3800 Gen4's higher cycle life and capacity make each dollar go further over the years.
Brand trust
EcoFlow
Ecosystem
Largest in portable power β 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 β 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 β Reddit r/Ecoflow_community (~31K members), multiple Facebook groups, and an official community forum
App experience
Rated 4.6/5 iOS (~8,400 ratings) Β· 4.2/5 Android (~17,000 ratings)
Unique strength
Fastest-charging technology (X-Stream), deepest product ecosystem, and most active innovation cadence. At the top of the range sit two whole-home paths: the TITAN line, one 5 kWh unit that grows to 30 kWh, and the DELTA Pro Ultra platform, which stacks batteries and inverters further β flagship paths, not line-wide features.
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.
BLUETTI
Ecosystem
One of the broadest lineups β 15-20+ models from budget (AC2A) to flagship portable (Apex 300, 2764.8Wh). Includes specialized products: vehicle solar hubs, sodium-ion cold-weather units, and balcony storage systems.
Support
The most inconsistent support in the space. Heavily email-based with China timezone delays. Some users get smooth, efficient service; others report weeks of troubleshooting runarounds, being offered discounts on new units instead of repairs, and confusing third-party purchase claim processes. Buying direct from Bluetti's website tends to produce better support outcomes.
Community
Active and growing β Reddit r/bluetti has a dedicated community. Second-largest after EcoFlow in engagement.
App experience
Rated 4.5/5 iOS and Android β tied for best app experience in the category. V3.0 UI redesign was well-received.
Unique strength
Among the best capacity-to-price ratios available β several Elite and Apex units are the lowest $/Wh in the catalog. Widest product diversity including industry-firsts like sodium-ion cold-weather units and dual solar+alternator vehicle hubs. LFP across the rest of the range, though rated cycle life spans 2,500 (EB3A) to 6,000, and it varies WITHIN the Elite range rather than tracking it β the Elite 300 and Elite 200 V2 are rated 6,000 while the Elite 30 V2, Elite 10 Mini, Elite 320 and Elite 400 are rated 3,000+ and the Elite 100 V2 4,000+, so check the specific model. Dual-voltage (120V/240V) in flagships.
Worth knowing
Customer support inconsistency is the #1 risk factor. Older/discontinued units may become unrepairable β no spare parts policy for some models. Some reports of erratic communication from support agents.
Analyst note
EcoFlow positions itself as a mid-to-premium brand with stronger support infrastructure, while BLUETTI competes on value. The question is whether the EcoFlow ecosystem and support premium is worth it for your use case.
Growth path
DELTA 3800 Gen4
EXPANDABLESupports EcoFlow expansion batteries, so you can add capacity later without replacing the base unit β useful if your needs may climb past 3,763Wh.
Accepts up to 2,000W 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.
Elite 320
FIXED CAPACITYFixed at 3,200Wh β a sealed, complete system rather than a starting point. There's no expansion port, so that figure is the ceiling: check it against your longest unplugged stretch before you buy.
Accepts up to 1,000W of solar. Enough for a serious multi-panel array.
Adequate ports for most setups, but heavy users may want a power strip.
Realistic full solar rechargeat 70% of rated panel output β see methodology
Analyst note
The Elite 320 is sealed at 3,200Wh, which is fine if that covers you. The DELTA 3800 Gen4 starts at 3,763Wh and can grow beyond it with EcoFlow expansion batteries β real headroom the Elite 320 doesn't have if your needs climb toward partial-home backup.
What Owners Report
Patterns from published owner reports and long-term reviews β every claim cited to its source below.
EcoFlow DELTA 3800 Gen4
Nobody has owned a DELTA 4 (3800) yet. EcoFlow opened US sales on November 4 and says it ships in late NovemberA10, so everything here is EcoFlow's store page and FAQ plus our own arithmeticA5A6.
I'd want to hang a string of panels on each solar input on a short December afternoon and see how close the pair gets to its 2,000 W ratingA5. Winter light is where a second input earns its place, or doesn't.
βCapacity 3,763 Wh, LFP (LiFePO4) cells. EcoFlow sells it as the DELTA 3800 Gen4; buyers and the press call the pair the DELTA 4.β
Sources
us.ecoflow.co Β· jp.ecoflow.co
BLUETTI Elite 320
What we have on the Elite 320 is launch coverage. BLUETTI pitches it as affordable essential home backupB4, and reviews describe a rolling unit with a retractable telescoping handleB2.
The long-life claim is still a claim. Coverage says the battery lasts over a decadeB3, but the unit launched at CES 2026B1, so nobody has years on one yet.
βA 3,200Wh LiFePO4 battery delivering 1,800W continuous (2,700W Power Lifting, 3,600W peak), with 10ms UPS protection β a suitcase-style rolling home-backup station introduced at CES 2026.β
Sources
prnewswire.com Β· rv.com Β· notebookcheck.net Β· ussolarsupplier.com Β· finance.yahoo.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
- Launch-day ledger: every entry is EcoFlow's own US store and documentation, or our labelled arithmetic. No owner or reviewer evidence exists yet. [DELTA 3800 Gen4 Β· 12 entries]
- Large 3,200Wh LFP capacity, wheeled mobility, 10ms UPS, and affordable home-backup positioning are the standout points. [Elite 320 Β· 3 entries]
- A2
βUS unit: 120 V AC, 60 Hz; rated 3,600 W continuous with a 7,200 W surge. It supports X-Boost (EcoFlow refers to the manual for the US X-Boost figure); X-Boost is unavailable while the unit charges from the wall or runs in bypass.β
EcoFlow US store, us.ecoflow.com/products/delta-3800-gen4 (spec table, features and FAQ, read 2026-11-04) Β· 2026-11-04 Β· [mixed]
- A5
βSolar: two inputs, 11β60 V DC at up to 20 A and 1,000 W each, 2,000 W total (XT60i; two XT60i-to-LP60 cables are in the box). EcoFlow lists six charging methods; its 800 W Alternator Charger is limited to 500 W through the Solar/DC port.β
EcoFlow US store, us.ecoflow.com/products/delta-3800-gen4 (spec table, features and FAQ, read 2026-11-04) Β· 2026-11-04 Β· [mixed]
- A6
βExtra Battery Port: up to two extra batteries through EcoFlow's Smart Extra Battery Expansion Adapter. Compatible: the DELTA Pro 3 Smart Extra Battery and the DELTA 3 Max Plus (2,048 Wh) Smart Extra Battery. EcoFlow quotes 4β12 kWh of expandable capacity.β
EcoFlow US store, us.ecoflow.com/products/delta-3800-gen4 (spec table, features and FAQ, read 2026-11-04) Β· 2026-11-04 Β· [mixed]
- A7
βWeight 67.5 lb (30.6 kg); 16.77 Γ 11.36 Γ 12.09 in without handles, 18.76 in long with them. A handle at each end; EcoFlow sells a folding transport cart separately ($109 at launch, listed at $199). EcoFlow calls it the smallest and lightest portable power station in its class (3β4 kWh and 3,600 W).β
EcoFlow US store, us.ecoflow.com/products/delta-3800-gen4 (spec table, features and FAQ, read 2026-11-04) Β· 2026-11-04 Β· [mixed]
- A8
βSwitches to backup within 10 ms when the grid drops; EcoFlow's FAQ says it does not support HID communication. Noise by EcoFlow's figures: 40 dB or less at up to 1,800 W, 50 dB or less at the full 3,600 W. IP20.β
EcoFlow US store, us.ecoflow.com/products/delta-3800-gen4 (spec table, features and FAQ, read 2026-11-04) Β· 2026-11-04 Β· [mixed]
- A10
βOn sale at us.ecoflow.com from November 4, 2026 at $2,199; EcoFlow says it ships in late November. Kits: with two 160 W solar panels $2,899; with a DELTA 3 Max Plus extra battery (6 kWh in all) $2,999. EcoFlow also sells it in Japan, where it went on sale October 30 at Β₯240,900.β
EcoFlow US store, us.ecoflow.com/products/delta-3800-gen4 (spec table, features and FAQ, read 2026-11-04) Β· 2026-11-04 Β· [mixed]
- B1
βA 3,200Wh LiFePO4 battery delivering 1,800W continuous (2,700W Power Lifting, 3,600W peak), with 10ms UPS protection β a suitcase-style rolling home-backup station introduced at CES 2026.β
prnewswire.com / rv.com β Elite 320 review Β· 2026 Β· [positive]
- B2
βWeighs about 75 lbs with oversized shock-absorbing wheels and a retractable telescoping handle for easy transport around the home.β
rv.com / notebookcheck.net β Elite 320 review Β· 2026 Β· [positive]
- B3
βThe big 3,200Wh LFP battery lasts over a decade and provides over 66 hours of refrigeration β up to two days of essential household power β via four AC outlets, dual USB-A, and two USB-C (140W and 100W).β
rv.com / ussolarsupplier.com β Elite 320 review Β· 2026 Β· [positive]
- B4
βPositioned as affordable, essential home backup at a $1,199.99 MSRP.β
prnewswire.com / finance.yahoo.com β Elite 320 launch Β· 2026 Β· [positive]
Research compiled November 4, 2026.
Who Should Buy Which
Buy the DELTA 3800 Gen4 if youβ¦
Buy the Elite 320 if youβ¦
- β3,200 Wh covers your longest outage, and you'll never add to it.
- βYour loads never pass 1,800 W at once: a fridge, a router, lights and a CPAP.
- βIt lives on one floor. It rolls on wheels with a telescoping handleB2.
- βYou want it now. It's on sale at $1,100, and the DELTA 4 (3800) ships in late NovemberA10.
If neither fits
If a well pump or an electric dryer is on your list, neither has 240 V outlets. Look at a unit with 240 V output instead.
The Bottom Line
If one box under 1,800 W is the whole plan, buy the Elite 320. It finishes every outage scenario we run for far less per watt-hour, and it's on sale now.
If you'll add panels or batteries, buy the DELTA 4 (3800) instead. It takes twice the solar and keeps growing where the Elite stops.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Can the BLUETTI Elite 320 be expanded?
No. It is sealed at 3,200 Wh with no expansion port. The DELTA 4 (3800) takes up to two of EcoFlow's extra batteries, and EcoFlow quotes 4 to 12 kWh in all.
How much is the EcoFlow DELTA 4 (3800), and when does it ship?
EcoFlow lists it at $2,199 on its US store and says it ships in late November. The BLUETTI Elite 320 sells for $1,100.
Which one charges faster from solar?
The DELTA 4 (3800). It takes 2,000 W across two solar inputs, against 1,000 W on the Elite 320.
Is the DELTA 4 (3800) quieter than the Elite 320?
There's no way to compare them on paper. EcoFlow rates the DELTA 4 (3800) at 40 dB or less at up to 1,800 W. BLUETTI publishes no noise figure for the Elite 320.
Which one is lighter?
The DELTA 4 (3800), at 67.5 lb against about 75 lb for the Elite 320. The Elite rolls on wheels, so the difference matters most on stairs.
Where to buy
EcoFlow DELTA 3800 Gen4
$2,199.00
$2,199.00 Β· direct from EcoFlow
BLUETTI Elite 320Pick
$936.25
$936.25 Β· direct from BLUETTI
down from $1,100 Β· 15% below usual
Last checked 31 days ago. Prices move β check before you buy.
Prices may vary by retailer and are subject to change.