Head-to-head test
EcoFlow DELTA 3800 Gen4 vs EcoFlow TITAN 5000 Classic
Real-world runtimes, scenario verdicts, and ownership costs compared — which wins for your use case.
Full profiles: EcoFlow DELTA 3800 Gen4 → · EcoFlow TITAN 5000 Classic →
Written by Gunner GustafsonUpdated
Whole-Home Backup Tester, Station Arena Test Desk
Spec deltas
Gunner’s take
Whole-Home Backup Tester
Both carry the EcoFlow name, but they're built for different buyers. The DELTA 3800 Gen4 (3,763Wh, 3,600W) and the TITAN 5000 Classic (5,018Wh, 4,000W) come from different product lines with different engineering priorities and a $300 price gap. The TITAN 5000 Classic has a slight edge, but the margin is close enough that your use case should break the tie.
The TITAN 5000 Classic holds 1,255Wh more than the DELTA 3800 Gen4 — about 28 hours on a fridge against 21 — a real but modest edge that shows up mainly on longer outages. For camping, tailgating, or keeping devices charged, both have the headroom, so price, weight, and longevity lead the decision instead.
Pick the TITAN 5000 Classic if your primary use is 8-hour blackout. Go with the DELTA 3800 Gen4 if you primarily need it for weekend camping or tailgate party. Keep scrolling for the full breakdown. The scenario verdicts below hold a few surprises.
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.
Bench Notes
What each unit does well, where it falls short, and the trade-offs that matter.
EcoFlow DELTA 3800 Gen4
With a massive 3,600W output (and 7,200W surge), the DELTA 3800 Gen4 can run high-wattage appliances like space heaters, hair dryers, and electric grills without tripping. Weighing in at 67.5 lbs, this is not a unit you want to carry far. It's best suited as a stationary backup or RV companion. A standout feature is the value proposition: at roughly $0.58 per watt-hour, it's one of the most cost-effective options on the market.
Strengths
- +Costs $300 less
- +Lighter by 35 lb
Trade-offs
- –No major technical downsides compared to rival.
EcoFlow TITAN 5000 Classic
With a massive 4,000W output, the TITAN 5000 Classic can run high-wattage appliances like space heaters, hair dryers, and electric grills without tripping. Weighing in at 102.5 lbs, this is not a unit you want to carry far. It's best suited as a stationary backup or RV companion. A standout feature is the value proposition: at roughly $0.50 per watt-hour, it's one of the most cost-effective options on the market.
Strengths
- +Larger battery capacity
- +Higher AC output
- +Faster solar charging
Trade-offs
- –Significantly heavier (+35 lbs), making it harder to move.
- –Very heavy unit that may be difficult for one person to lift.
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 TITAN 5000 Classic at 102.5 lbs is not a take-along — it rolls off a truck bed if it travels at all, so this scenario belongs to the DELTA 3800 Gen4 by default — and it earns it, covering the 2,100Wh with 1,099Wh to spare. Capacity was never the TITAN 5000 Classic's problem here; getting to a campsite was.
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
TITAN 5000 Classic
Both survive the night. The TITAN 5000 Classic finishes at 39% used with 2,620Wh left — 1.6 more nights like it. The DELTA 3800 Gen4 finishes at 51% with 1,554Wh, 94% of a second night. If your outages tend to run past one evening, that difference is the whole argument between them.
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
A CPAP is about 40W for eight hours, so both of these cover the night several times over — capacity isn't the question here. The only published difference is fan noise, and it can't settle this: the TITAN 5000 Classic is rated 30dB and the DELTA 3800 Gen4 40dB, but the TITAN 5000 Classic's is its maker's best case and the DELTA 3800 Gen4's is EcoFlow's maximum under heavy charge and discharge, so at a 40W draw the real gap can only be narrower than it looks, and may even run the other way. Neither settles which box is quieter at a bedside. Buy whichever is cheaper or easier to carry.
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
Either unit
Both power your workstation all day without strain. At these utilization levels the real difference is USB-C for direct laptop charging — 140W on the DELTA 3800 Gen4 against 60W — which beats the inverter for convenience and wastes less energy.
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
The TITAN 5000 Classic at 102.5 lbs is not a take-along — it rolls off a truck bed if it travels at all, so this scenario belongs to the DELTA 3800 Gen4 by default — and it earns it, covering the 670Wh with 2,529Wh to spare. Capacity was never the TITAN 5000 Classic's problem here; getting to a tailgate was.
Battery budget usedlower = more headroom
LOAD Blender 400W×0.5h · LED TV (55") 80W×4h · Bluetooth Speaker 15W×4h · Phone Charger (×3) 45W×2h
SCN-06 · 24 hours · needs 4,685Wh
Van Life Daily
A full day of mobile living — the ultimate endurance test
Neither unit
Neither unit covers this scenario's 4,685Wh: the DELTA 3800 Gen4 comes up 1,486Wh short (about 68% covered), the TITAN 5000 Classic 420Wh (91%) (its nameplate 5,018Wh actually clears this — the flat 15% conversion allowance is what tips it under). Either gets you most of the way, so this is a scenario you plan around rather than one you should rule them out for.
Battery budget usedlower = more headroom
LOAD 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: TITAN 5000 Classic runs 20.8h vs 15.6h.
$2,499 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 0–284.3hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–56.9hHigh-Draw Appliances
These reveal the real limitsscale 0–4.3h¹ Runtime = (capacity × 0.85) ÷ appliance watts. Within each group, all bars share one time scale (the group's longest runtime), so lengths are comparable across appliances; identical runtimes collapse into a single blue/orange bar. Actual runtime varies with battery age, temperature, and simultaneous loads — see methodology.
Conclusion
July 10, 2026
Verdict: the TITAN 5000 Classic, on Power Score margin
These two units are closely matched on individual specs, but our Power Score analysis gives the TITAN 5000 Classic the edge with a composite score of 5,572 vs 5,286.
EcoFlow lists the TITAN 5000 Classic from $2,499. That is a starting price, not a checkout price: sales have not opened, and EcoFlow says the final configuration prices follow when they do. We will update this comparison then.
Overall score margin: 5,286 vs 5,572 (−5.4%)
List prices as of July 10, 2026. The links below open EcoFlow's current price.
from $2,499.00 · check the store for today’s price
or check the DELTA 3800 Gen4 price$2,199.00 list
Written by Gunner Gustafson, Whole-Home Backup Tester · Station Arena Test Desk · Updated July 10, 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, Tailgating, Apartment Balcony.
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.
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 TITAN 5000 Classic rates 3.8/5 (29th percentile of 22 Home Backup-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.
Weight Reality Check
Neither unit is grab-and-go. The DELTA 3800 Gen4 (67.5 lbs) is manageable solo but heavier than a large checked suitcase. The TITAN 5000 Classic (102.5 lbs) is firmly a two-person lift. It goes where you put it and stays there. That's a 35 lb difference.
UPS Switchover: ≤10ms vs ≤20ms
Both list a UPS mode, at different rated speeds. The DELTA 3800 Gen4 is rated ≤10ms — quick enough on paper that desktop PCs and routers should ride through, treating that as the rating it is. The TITAN 5000 Classic is rated ≤20ms — fine on paper for routers and most electronics; the fussiest PC power supplies sit right at this line. If a computer with unsaved work is the thing being protected, the stated class is worth the attention; nothing here is a lab result.
Warranty: No Difference
Both units carry the same 5-year warranty, so coverage isn't a tiebreaker here. The DELTA 3800 Gen4's figure is a maximum rather than a guarantee — it depends on registering the unit in the EcoFlow app, which adds two years to a three-year standard term.
Full record above — the Test Desk pick is the TITAN 5000 Classic.
Check TITAN 5000 Classic price →or check the DELTA 3800 Gen4 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. est. = no published cycle rating; the brand’s average is used instead.
Analyst note
The TITAN 5000 Classic has no published cycle rating, so its lifetime rows use the average of the 30 LiFePO4 units EcoFlow does rate: about 3,500 cycles. That's a fair baseline for the brand but not a rating for this unit, so cost to own isn't scored on it. Judge these two on price, capacity and warranty, and read the rows marked "est." as a ballpark.
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.
TITAN 5000 Classic
EXPANDABLESupports EcoFlow expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 5,018Wh.
Accepts up to 3,200W 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.
Realistic full solar rechargeat 70% of rated panel output — see methodology
Analyst note
Both expand, but the TITAN 5000 Classic's higher solar ceiling (3,200W vs 2,000W) gives it the stronger off-grid growth path — more panels can feed a bigger bank as it grows.
The Bottom Line
The full picture comes down to this. The TITAN 5000 Classic edges ahead on our overall analysis, but the margin is narrow enough that your specific use case should drive the decision. Review the scenario verdicts above — if the DELTA 3800 Gen4 wins in the scenarios that match your life, it's the right choice regardless of aggregate scores.
If neither the DELTA 3800 Gen4 nor the TITAN 5000 Classic feels like the right fit, your power needs probably sit outside what these two target. For lighter use — weekend camping or phone/laptop charging — you'd be overpaying for capacity you'll rarely tap. Consider a unit in the 500–1,500Wh range instead. Prices on portable power stations fluctuate frequently. Both EcoFlow discount regularly, so check the current price before committing. Prime Day and Black Friday pricing typically drops 20-30%.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Is the TITAN 5000 Classic worth $300 more than the DELTA 3800 Gen4?
The short answer: yes, if you'll actually use the extra capability. The TITAN 5000 Classic costs $300 more, but that premium buys you 1,254.6Wh more battery capacity (that's 7 extra hours of running a mini-fridge); 400W higher AC output (opening the door to more demanding appliances); 1,200W faster solar charging for quicker off-grid recovery. On a cost-per-watt-hour basis, you're paying $0.50/Wh vs $0.58/Wh. For regular use, we'd pay the premium.
How does the 1,254.6Wh capacity difference actually affect daily use?
The TITAN 5000 Classic's 5,017.6Wh battery keeps a mini-fridge running for roughly 28 hours vs the DELTA 3800 Gen4's 21 hours. Both can handle a full 8-hour blackout setup (fridge + router + lights + phone charging ≈ 1,645Wh), but the TITAN 5000 Classic finishes with significantly more margin. That matters if conditions aren't ideal or the outage runs long. What specs don't mention: runtime drops 20-30% in cold weather (below 32°F/0°C) as battery chemistry slows down. The TITAN 5000 Classic's extra capacity provides a critical cold-weather buffer. For occasional phone and laptop charging, both are overkill. This gap only matters for sustained, multi-appliance use.
Can I actually carry the TITAN 5000 Classic, or is the DELTA 3800 Gen4 the only portable option?
Neither is "portable" in any hiking sense. The DELTA 3800 Gen4 (67.5 lbs) and the TITAN 5000 Classic (102.5 lbs) are both appliances you place and leave. The 35-lb difference matters when loading into a vehicle or moving between rooms, but that's about it. If true portability is your priority, look at units under 20 lbs in a different class entirely.
How fast can each unit recharge from solar panels in real conditions?
On paper, the TITAN 5000 Classic accepts 3,200W vs the DELTA 3800 Gen4's 2,000W of solar input. What the spec sheet won't tell you: solar panels typically deliver only 60-80% of their rated output due to panel angle, cloud cover, and temperature. In realistic conditions, expect full recharge in about 2.2 hours for the TITAN 5000 Classic and 2.7 hours for the DELTA 3800 Gen4. That gap widens on cloudy days, when the TITAN 5000 Classic's higher input ceiling captures more of whatever sunlight is available. One more thing: summer gives you ~7 productive solar hours per day. Winter drops to ~4. If solar is your primary recharge method, the TITAN 5000 Classic's advantage is substantial.
Bottom line: should I buy the DELTA 3800 Gen4 or the TITAN 5000 Classic?
We'd pay the premium for the TITAN 5000 Classic. Yes, it costs more. The capability jump is real: you're stepping into a tier that handles appliances the base model can't start. The DELTA 3800 Gen4 is still solid if budget is the priority, but the TITAN 5000 Classic will leave you less likely to wish you'd "gone bigger" six months from now. That regret costs more than the price difference.
Where to buy
EcoFlow DELTA 3800 Gen4
$2,199.00
$2,199.00 · direct from EcoFlow
EcoFlow TITAN 5000 ClassicPick
from $2,499.00
from $2,499.00 · check the store for today’s price
Prices may vary by retailer and are subject to change.