Head-to-head test
EcoFlow DELTA 3800 Gen4 vs BLUETTI Elite 200 V2Bigger Battery, Quicker Solar Refill. Is This the Step Up?
More battery, twice the solar input and room for extra batteries: this is a step up that keeps going. I'd buy the DELTA 4 (3800) for outages that last days, and the Elite 200 V2 if one night is all you need.
Black Friday · 23 days out
Price to beat:Elite 200 V2 $849
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 → · BLUETTI Elite 200 V2 →
Written by Gunner GustafsonUpdated
Whole-Home Backup Tester, Station Arena Test Desk
Spec deltas
Gunner’s take
Whole-Home Backup Tester
The DELTA 4 (3800) is the step up that keeps going.
It holds 3,763 Wh against the Elite 200 V2's 2,073.6 Wh, takes twice the solar input, 2,000 W across two inputs against 1,000 WA5, and accepts extra batteries the Elite has no port forA6.
The surprise is the refill.
At their full solar ratings, the DELTA 4 (3800) fills its bigger battery in less sun than the Elite needs for its smaller one, on paper. On day three of an outage, a battery is only as good as the morning that refills it.
It costs $2,199 against $899, and it's the heavier lift, 67.5 lb against 53.4 lb.
EcoFlow ships it in late NovemberA10, and the Elite you can buy today. For home backup I'd still buy the DELTA 4 (3800). If one night is all you need, the Elite does that for a lot less money.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
solar input
In an outage that runs for days, the EcoFlow starts each morning with most of a night still in hand and puts the rest back at twice the Elite's rate. The Elite starts each morning nearly empty and refills at half the speed. That's a different routine, not a bigger copy of the same one.
DELTA 4 (3800): 3,763 Wh, 2,000 W of solar across two 1,000 W inputsA5Elite 200 V2: 2,073.6 Wh, 1,000 W of solar8-Hour Blackout: the DELTA 4 (3800) ends with 1,554 Wh, 94% of a second night; the Elite 200 V2 with 118 Wh, 7%
Why it mattersIf you're buying for outages that last days and you have room for panels, the DELTA 4 (3800) is the one whose numbers keep up.
On paper, the smaller of the two batteries the DELTA 4 (3800) takes, 2,048 WhA6, is bigger than its 1,486 Wh shortfall. The Elite's only answer to the same day is a second station with its own outlets and its own charger.
DELTA 4 (3800): up to two extra batteries, the smaller being the 2,048 Wh DELTA 3 Max Plus batteryA6Elite 200 V2: sealed at 2,074 Wh, no expansion portVan Life Daily needs 4,685 Wh: the DELTA 4 (3800) is 1,486 Wh short, the Elite 200 V2 2,922 Wh short
Why it mattersIf your needs might grow toward full-day loads, buy the box that grows instead of the one you'd have to replace.
cost / lifetime kWh
Every advantage the DELTA 4 (3800) has shows up across days: the second night, the faster refill, the extra battery. None of it shows up on a single night of CPAP, a workday or a tailgate, where the Elite finishes with room left and weighs less to carry there.
$2,199 against $89967.5 lb against 53.4 lbBoth rated for 6,000 cycles; $0.10 against $0.07 per lifetime kWh
Why it mattersIf you'll never use the second night or the second solar input, buy the Elite and keep the difference.
The specific dimensions that decide these two units — everything else is a tie.
Growth Path
Selected because: The DELTA 4 (3800) takes extra batteries; the Elite 200 V2 stops at 2,074 Wh.
solar input
The Elite is a finished box, and the DELTA 4 (3800) is a starting point. It takes up to two extra batteries through EcoFlow's adapter, either the DELTA Pro 3 battery or the DELTA 3 Max Plus battery, and EcoFlow quotes 4 to 12 kWh in allA6. The Elite 200 V2 stops at 2,074 Wh.
Growth only counts if you'll use it. If your outages run to days, I'd plan the first extra battery on day one. If you can't picture ever adding one, you're paying for a port you'll never fill, and the Elite starts to look like the smarter buy.
Your Life, Your Pick
Selected because: The second night is where they part: 1,554 Wh left against 118 Wh.
The second night is where these two part ways. In our 1,645 Wh blackout, the Elite finishes at 93% used with 118 Wh left. The DELTA 4 (3800) finishes with 1,554 Wh, 94% of a second night.
On the lighter rows, the Elite holds its own. The CPAP night, the remote workday and the tailgate all finish on both with room to spare. The 2,100 Wh weekend is the exception. The Elite runs 337 Wh short, and the EcoFlow ends it with 1,099 Wh left.
Portability & Form Factor
Selected because: 67.5 lb against 53.4 lb, and both are two-handed lifts.
weight
Neither is a one-hand carry, and the EcoFlow is the heavier lift. It weighs 67.5 lb against 53.4 lb. EcoFlow puts a handle at each end and sells a folding cart separatelyA7, and one reviewer called the Elite a two-handed carry at 50-plus poundsB3.
Where it lives decides whether the weight matters. Parked by the fridge, the DELTA 4 (3800) gets lifted once. If it rides to a campsite every month, the lighter Elite gets packed and the EcoFlow stays home.
Lifetime Value
Selected because: Same 6,000-cycle rating, so the Elite's lower price per watt-hour carries through to cost of ownership.
cost / lifetime kWh
On cost of ownership the Elite wins, and I won't pretend otherwise. Both are rated for 6,000 cycles, so each price spreads over its battery's lifetime energy: $0.07 a kWh for the Elite against $0.10 for the DELTA 4 (3800).
The EcoFlow's case is energy when you need it. It delivers 22,578 kWh over its rated life against 12,442 kWh, and its refill rate keeps a long outage from draining it day by day. You pay more per kWh for the box that lasts the second night.
In the makers’ pictures
What you’d actually be living with
Every port, labelled
What plugs in where, and how much it takes
EcoFlow DELTA 3800 Gen4
Front panel
- 1USB-C · 140 WOutUp to 140 W (USB-PD up to 28 V at 5 A). The port for a laptop.
- 22× USB-C · 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 · 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.
- 54× 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 · Product image, EcoFlow Japan store · numbers and labels are ours. Ratings from EcoFlow’s US spec table; outlet shapes read by us from EcoFlow’s picture, taken of the Japanese unit, which shares the US panel.
Input side
- 12× Solar/DC in · 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 · 1,800 WIn100–120 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 · OutTakes up to two of EcoFlow’s DELTA 3 Max Plus or DELTA Pro 3 extra batteries; EcoFlow quotes 4–12 kWh.
Photo: EcoFlow · Product image, EcoFlow Japan store · numbers and labels are ours. Ratings from EcoFlow’s US spec table and the panel’s own printing.
BLUETTI Elite 200 V2
Front panel
- 1Solar/DC in · 1,000 WInPrinted 12V-60V/20A/1000W: an XT60 input for up to 1,000 W of solar, by BLUETTI’s manual. A car socket charges it at 96 W from 12 V or 192 W from 24 V.
- 212 V car socket · 10 AOutA covered car socket printed 12V/10A.
- 32× USB-C · 2× USB-AOutA USB-C port at each end, printed 100W each (PD 3.0, BLUETTI’s manual says), and two USB-A ports between them printed 15W each.
- 44× 20 A outletsOutFour 120 V T-slot outlets, each printed 20A Max., sharing the 2,600 W printed above them. BLUETTI’s Power Lifting mode runs heating loads such as kettles up to 3,900 W.
Photo: BLUETTI · Product image, BLUETTI store · numbers and labels are ours. Ratings printed on BLUETTI’s panel and listed in BLUETTI’s Elite 200 V2 user manual; the Power Lifting figure from BLUETTI’s US store page.
Input side
- 1AC in · 1,800 WInThe AC charging inlet, behind a cover: 1,800 W at 120 V, 15 A by BLUETTI’s manual, charging and pass-through together. With solar at the same time it takes up to 2,400 W.
Beside the inlet: a grounding screw and a reset button printed 250VAC/20A Circuit Protector. BLUETTI’s pictures show nothing on the other side or the back. No battery port: BLUETTI says the Elite 200 V2 is not expandable.
Photo: BLUETTI · Product image, BLUETTI store · numbers and labels are ours. Port name printed on BLUETTI’s panel; the rating from BLUETTI’s Elite 200 V2 user manual.
Strengths & trade-offs
EcoFlow DELTA 3800 Gen4
Strengths
- +Larger battery capacity
- +Higher AC output
- +Faster solar charging
Trade-offs
- –Substantially more expensive (+$1,300) than the Elite 200 V2.
- –Significantly heavier (+14.1 lbs), making it harder to move.
BLUETTI Elite 200 V2
Strengths
- +Costs $1,300 less
- +Lighter by 14.1 lb
Trade-offs
- –Weaker inverter (-1,000W) limits appliance compatibility.
- –Sealed capacity — the DELTA 3800 Gen4 can add batteries to grow past 2,073.6Wh; 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
DELTA 3800 Gen4
The Elite 200 V2 doesn't finish — 1,763Wh usable against the 2,100Wh this needs leaves it 337Wh short, about 84% of the scenario covered. The DELTA 3800 Gen4 covers it with 1,099Wh to spare.
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 3800 Gen4
Both get through the night, but only one gets far into the next. The DELTA 4 (3800) ends with 1,554 Wh, 94% of a second night. The Elite 200 V2 ends with 118 Wh.
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 run a CPAP all night with most of the battery untouched, so capacity can't split them. If a CPAP is the whole job, the lighter Elite 200 V2 is plenty.
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 3800 Gen4
The DELTA 3800 Gen4 clears the workday at 28% used, banking 2,289Wh — late work, extra calls, or a second laptop charge without arithmetic. The Elite 200 V2 at 52% also finishes, with 853Wh of slack for the unplanned.
Battery budget usedlower = more headroom
LOAD Laptop 60W×8h · External Monitor 30W×8h · Router + Modem 20W×8h · Phone Charger 15W×2h
SCN-05 · 4 hours · needs 670Wh
Tailgate Party
Game day power for the crew
DELTA 3800 Gen4
Both handle game day; the DELTA 3800 Gen4 keeps more in reserve (21% used vs 38%). Tailgating is a light load, though, so the number you'll feel is weight: 53.4 lbs for the Elite 200 V2 against 67.5 lbs for the DELTA 3800 Gen4, from the trunk to the setup spot.
Battery budget usedlower = more headroom
LOAD Blender 400W×0.5h · LED TV (55") 80W×4h · Bluetooth Speaker 15W×4h · Phone Charger (×3) 45W×2h
SCN-06 · 24 hours · needs 4,685Wh
Van Life Daily
A full day of mobile living — the ultimate endurance test
Neither unit
Neither covers 4,685 Wh on its own battery. The DELTA 4 (3800) is the only one of the two that takes an extra battery, so it's the only one that can close the gap.
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 3800 Gen4 runs 15.6h vs 8.6h.
$2,199 list · direct from EcoFlow
Planning for more than this? Describe your whole setup and get it sized →
Modeled from the spec record — same math as the tables below. Methodology
Runtime by appliance
Real-world runtime estimates for common appliances, modeled at 85% inverter efficiency.¹
Essentials
The basics you need runningscale 0–213.2hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–42.6hHigh-Draw Appliances
These reveal the real limitsscale 0–3.2h¹ 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
November 4, 2026
Verdict: the DELTA 3800 Gen4, on Power Score margin
For home backup I'd buy the DELTA 4 (3800); for one night or a weekend away, the Elite 200 V2. The EcoFlow holds 3,763 Wh against 2,073.6 Wh, ends our blackout with 94% of a second night left against 7%, takes 2,000 W of solar against 1,000 W, and adds batteries where the Elite can't. The Elite costs less to own per lifetime kWh, $0.07 against $0.10, weighs 53.4 lb against 67.5 lb, and you can buy it today while EcoFlow ships the DELTA 4 (3800) in late NovemberA10. If your outages end by morning, or you need power before the EcoFlow ships, the Elite is the call.
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.
$2,199.00 · direct from EcoFlow
or check the Elite 200 V2 price$899.00 list
Written by Gunner Gustafson, Whole-Home Backup Tester · Station Arena Test Desk · 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): CPAP.
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 3800 Gen4 rates 4.1/5 (48th percentile of 22 Home Backup-class units), and Elite 200 V2 rates 4.4/5 (64th percentile of 29 Large-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.
Heavier, and Carrying a Lot More
The DELTA 4 (3800) weighs 67.5 lb and the Elite 200 V2 53.4 lb. Both are two-handed lifts. The EcoFlow has a handle at each end and holds 3,763 Wh against 2,074 Wh, so it carries more battery per pound. If it lives by the fridge, you lift it once.
Elite 200 V2: Fixed Capacity
The Elite 200 V2 is sealed at 2,074Wh — fine if that covers you, but it's the ceiling. By contrast the DELTA 3800 Gen4 can add expansion batteries, though the first thing it has over the Elite 200 V2 is its own 3,763Wh base — expansion is the step after that, for the buyer who would outgrow 3,763Wh as well.
Elite 200 V2: Power Lifting to 3,900W
The Elite 200 V2 has BLUETTI's Power Lifting mode, which runs a resistive appliance rated up to 3,900W from its 2,600W 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 — a heater, a kettle, an incandescent lamp — so it does nothing for a fridge compressor, a pump or a power tool, and this record publishes no surge figure at all, so read the mode as a resistive-load feature rather than as starting ability. And it is not a reason to size down, because running a load that big from 2,074Wh 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 200 V2 works out at 5.6 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.
Full record above — the Test Desk pick is the DELTA 3800 Gen4.
Check DELTA 3800 Gen4 price →or check the Elite 200 V2 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 Elite 200 V2 wins on both sticker price and long-term value. At $0.07/kWh over its lifetime, it's meaningfully cheaper to own. Clear value winner. One thing to know reading the table: both carry the same 6,000-cycle rating, so the lifetime rows are sticker price and capacity in disguise — the wear horizon is identical and decides nothing here.
Brand trust
EcoFlow
Ecosystem
Largest in portable power — 12-15 models across DELTA Pro, DELTA 3, and RIVER 3 series, plus solar panels and smart home panels
Support
US-based phone/email/chat support (1-800-368-8604). Experiences are polarized — many report hassle-free prepaid-label replacements, but others report long waits and refurbished units sent for new claims. Pro tip: buying from Costco or Amazon gives you a stronger return safety net.
Community
Largest community in the space — Reddit r/Ecoflow_community (~31K members), multiple Facebook groups, and an official community forum
App experience
Rated 4.6/5 iOS (~8,400 ratings) · 4.2/5 Android (~17,000 ratings)
Unique strength
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 — 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 — 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 — Reddit r/bluetti has a dedicated community. Second-largest after EcoFlow in engagement.
App experience
Rated 4.5/5 iOS and Android — 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 — 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 — 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 — 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 — 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 200 V2
FIXED CAPACITYFixed at 2,074Wh — 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 — see methodology
Analyst note
The Elite 200 V2 is sealed at 2,074Wh, which is fine if that covers you. The DELTA 3800 Gen4 starts at 3,763Wh and can grow beyond it with EcoFlow expansion batteries — real headroom the Elite 200 V2 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 3800 Gen4
Nobody owns a DELTA 4 (3800) yet. EcoFlow put it on sale on November 4 and ships it in late NovemberA10, so this page runs on EcoFlow's US store page and my own arithmeticA1A5A6.
I'd want to see the two solar inputs earn their keep. Hypothetically, I'd put a string of panels on each input on a short November day and see whether 2,000 W of ratingA5 puts back a night of fridge and furnace blower by mid-afternoon. That's the test that tells you whether the refill keeps up with the outage.
“Capacity 3,763 Wh, LFP (LiFePO4) cells. EcoFlow sells it as the DELTA 3800 Gen4; buyers and the press call the pair the DELTA 4.”
Sources
us.ecoflow.co · jp.ecoflow.co
BLUETTI Elite 200 V2
Reviewers used the Elite 200 V2 as a battery bank, and it held up. One vanlifer filled it on sunny days and lived off it when the panels weren't producingB1. Another ran a home lab through an entire outage on itB8, and a third measured 94% efficiencyB6.
The knocks are the app and the missing light. One reviewer found the app behind EcoFlow's and Anker's and wanted a built-in light for carrying it in the darkB3B4. Most of these reviewers got their units from BLUETTI, and there are no long-term ownership reports yetB0.
“It bridged the solar gap when panels weren't producing, effectively acting as a weekly "energy bank" I could fill up and live off.”
Sources
thevanconversion.com · thesolarlab.com · storagereview.com · dustinabbott.net · nsmb.com
Sources & Research Notes
Every owner claim in this report is traceable to a published source. The bracketed references above resolve here.
Recurring owner themes
- 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 · 12 entries]
- Multiple independent reviewers report the near-instant UPS switchover works reliably for continuous device uptime during outages. [Elite 200 V2 · 2 entries]
- Reviewers who measured it independently found best-in-class efficiency and very low idle power draw for a unit of this size. [Elite 200 V2 · 2 entries]
- Owners/testers praise real-world off-grid runtime — charging e-bikes, running fridges, powering laptops/appliances for extended periods. [Elite 200 V2 · 3 entries]
- The two consistent nitpicks are the missing built-in light/flashlight and an app/ecosystem experience that lags behind Anker and EcoFlow. [Elite 200 V2 · 2 entries]
- Value proposition is repeatedly framed as 'practical rather than flashy' — strong price-to-spec ratio, though less competitive outside the US market. [Elite 200 V2 · 2 entries]
- A1
“Capacity 3,763 Wh, LFP (LiFePO4) cells. EcoFlow sells it as the DELTA 3800 Gen4; buyers and the press call the pair the DELTA 4.”
EcoFlow US store, us.ecoflow.com/products/delta-3800-gen4 (spec table, features and FAQ, read 2026-11-04) · 2026-11-04 · [mixed]
- A3
“AC outlets: 5 total, four rated 20 A max and one rated 30 A max (on EcoFlow's product images, four T-slot outlets and a three-slot twist-lock). USB-A: one port, 36 W max. USB-C: one at 140 W max and two at 65 W max; the two 65 W ports share circuitry with the USB-A, limited to 16 W total when used together. No 12 V car socket.”
EcoFlow US store, us.ecoflow.com/products/delta-3800-gen4 (spec table, features and FAQ, read 2026-11-04) · 2026-11-04 · [mixed]
- A5
“Solar: two inputs, 11–60 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.”
EcoFlow US store, us.ecoflow.com/products/delta-3800-gen4 (spec table, features and FAQ, read 2026-11-04) · 2026-11-04 · [mixed]
- A6
“Extra 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 4–12 kWh of expandable capacity.”
EcoFlow US store, us.ecoflow.com/products/delta-3800-gen4 (spec table, features and FAQ, read 2026-11-04) · 2026-11-04 · [mixed]
- A7
“Weight 67.5 lb (30.6 kg); 16.77 × 11.36 × 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 (3–4 kWh and 3,600 W).”
EcoFlow US store, us.ecoflow.com/products/delta-3800-gen4 (spec table, features and FAQ, read 2026-11-04) · 2026-11-04 · [mixed]
- A10
“On 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 ¥240,900.”
EcoFlow US store, us.ecoflow.com/products/delta-3800-gen4 (spec table, features and FAQ, read 2026-11-04) · 2026-11-04 · [mixed]
- B1
“It bridged the solar gap when panels weren't producing, effectively acting as a weekly "energy bank" I could fill up and live off.”
thevanconversion.com — BLUETTI Elite 200 V2 In-Depth Review: The Best Portable Power Station for Vanlife? · 2026-04 · [positive]
- B3
“For a 50+ pound unit that requires two hands to carry, it's frustrating to fumble around in the dark with a flashlight and heavy power station.”
thesolarlab.com — Bluetti Elite 200 V2 Review: A Solid Comeback? · unknown · [negative]
- B4
“It still lacks the refinement and ecosystem support that we've recently seen from EcoFlow and Anker, and the app experience could definitely be improved.”
thesolarlab.com — Bluetti Elite 200 V2 Review: A Solid Comeback? · unknown · [negative]
- B6
“The efficiency came in at 94%, which is the highest we've ever seen in a portable power station.”
thesolarlab.com — Bluetti Elite 200 V2 Review: A Solid Comeback? · unknown · [positive]
- B8
“The BLUETTI Elite 200 V2 kept everything operational throughout the entire outage. It's not merely a backup solution; it provides true resilience to the home lab.”
storagereview.com — Portable Power Meets Lab-Grade Reliability: BLUETTI Elite 200 V2 Review · 2025-04 · [positive]
Research compiled November 4, 2026.
Who Should Buy Which
Buy the DELTA 3800 Gen4 if you…
- →Your outages run for days. It ends our 8-hour blackout with 1,554 Wh left against 118 Wh.
- →You have room for panels. Its two solar inputs take 2,000 W in all, at 11 to 60 V eachA5.
- →You expect to grow. It takes up to two extra batteries, 4 to 12 kWh in all by EcoFlow's figureA6.
- →You'd run two heating loads at once, like a space heater and a kettle. 3,600 W against 2,600 W.
Buy the Elite 200 V2 if you…
If neither fits
If the backup has to run 240 V loads, skip both. Neither has a 240 V outlet, so a well pump or an electric dryer needs a station that does.
The Bottom Line
For home backup, I'd buy the DELTA 4 (3800). It carries most of a second night where the Elite carries a sliver, refills at twice the rate from the sun, and grows when you need more.
If one night is all you're buying for, buy the Elite 200 V2. It's lighter, cheaper to own per kWh, and you can have it before the EcoFlow ships in late NovemberA10.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Is the DELTA 4 (3800) worth the extra money over the Elite 200 V2?
For outages that last days, yes. It holds 3,763 Wh against 2,073.6 Wh, takes 2,000 W of solar against 1,000 W, and accepts extra batteries. For a one-night outage or a weekend away, the Elite 200 V2 does the job for less and weighs less.
How much is the DELTA 4 (3800) in the US, and when does it ship?
EcoFlow lists it at $2,199 on its US store. It went on sale on November 4, 2026, and EcoFlow says it ships in late November. The Elite 200 V2 sells for $899.
How much capacity can you add to the DELTA 4 (3800)?
Up to two extra batteries through EcoFlow's expansion adapter, either the DELTA Pro 3 battery or the DELTA 3 Max Plus battery. EcoFlow quotes 4 to 12 kWh in all. The Elite 200 V2 has no expansion port.
Which one recharges faster from solar?
The DELTA 4 (3800). It takes 1,000 W on each of two inputs, 2,000 W in all, at 11 to 60 V. The Elite 200 V2 takes 1,000 W, so at full rated input the EcoFlow fills its bigger battery in less sun than the Elite needs for its smaller one.
Which one is easier to carry?
The Elite 200 V2, at 53.4 lb against 67.5 lb. The DELTA 4 (3800) has a handle at each end, and EcoFlow sells a folding cart for it separately.
Brand matchup
EcoFlow vs BLUETTI: measured across every matchup →Where to buy
EcoFlow DELTA 3800 Gen4Pick
$2,199.00
$2,199.00 · direct from EcoFlow
BLUETTI Elite 200 V2
$899.00
$899.00 · direct from BLUETTI
Last checked 31 days ago. Prices move — check before you buy.
Prices may vary by retailer and are subject to change.