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Head-to-head test

EcoFlow DELTA Pro 3 vs EcoFlow TITAN 5000 Classic

Same 4,000 W inverter, a bigger pack and a smaller price: the Classic takes every 120 V household, and loses outright the moment one circuit you need runs on 240 V.

Full profiles: EcoFlow DELTA Pro 3 → · EcoFlow TITAN 5000 Classic →

Written by Gunner GustafsonUpdated

Whole-Home Backup Tester, Station Arena Test Desk

Stack these against 100+ rivals
MethodologyReader-supported — we may earn from links (details)

Spec deltas

Capacity
4,096Wh
5,017.6Wh
Output
4,000W
matched
4,000W
Weight
112.4 lb
102.5 lb
Typical price
$2,799
$2,599
Cost / Wh
$0.68
$0.52
Solar input
2,600W
3,200W
01

The TITAN 5000 Classic and the DELTA Pro 3 push the same 4,000 W out of their inverters, and the Classic does it from a bigger pack for $200 less. That sounds like a rout. It is one, with a single exception, and the exception is a voltage.

EcoFlow's rating label lists the Classic at 120 V only, with no split-phase outputB1, and its outlets are three 120 V 20 A sockets and one 120 V 30 A portB2. The DELTA Pro 3 is dual-voltage, 120 V and 240 VA1. The fridge, the furnace blower, the lights and the router all live on 120 V circuits. A well pump, a dryer, a range and central air usually sit on 240 V, and the Classic can't reach any of them.

So the call is binary. If your outage plan is 120 V end to end, the Classic gives you 921.6 Wh more battery and 600 W more solar input for less money, and the DELTA Pro 3's remaining edges (a faster stacked-input charge, a higher expansion ceiling, more USB-C) don't add up to the difference. If one 240 V circuit matters, buy the DELTA Pro 3 and stop reading.

02

What the Numbers Reveal

Each conclusion stated first — the numbers behind it on one line, the full analysis below.

F1

solar input

The Classic's solar input grew in step with its pack, so the extra 921.6 Wh costs nothing in time on the roof. Every full solar refill banks 921.6 Wh more in the Classic than in the DELTA, and in a multi-day outage that difference gets paid out every night.

TITAN 5000 Classic: 5,017.6 Wh packB5 and 3,200 W maximum solar inputB3DELTA Pro 3: 4,096 Wh pack and up to 2,600 W of solar inputA3

Why it mattersAnyone planning to ride out long outages on panels gets the bigger battery without a slower recharge attached to it.

F2

When the refill comes from a generator, or from the grid returning between outages, the Classic drinks through one 15 A straw. The DELTA Pro 3 stacks its inputs to as much as 7,000 W, and reviewers time it at about 50 minutes to 80%A3. The Classic's fast lane is the roof, not the wall.

TITAN 5000 Classic AC input: 100–120 V, 15 A max, limited to under three hours above 12 AB7DELTA Pro 3: 0–80% in about 50 minutes using up to 7,000 W of multi-charge inputA3TITAN 5000 Classic pack: 5,017.6 WhB5

Why it mattersIf a generator is your refill plan, the Classic's 15 A inlet matters more to you than its bigger pack.

F3

A well pump on a 240 V breaker is simply off the Classic's menu, and no amount of extra capacity puts it back. The DELTA Pro 3 can feed that circuit within its 4,000 W, which makes it the only choice on this page for a house whose water comes from a well.

TITAN 5000 Classic: 4,000 W at 120 V only, no 240 V split-phaseB1EcoFlow bundles the Classic with its 120 V Smart Home Panel 10; the TITAN 5000 and Plus get the 240 V versionB4DELTA Pro 3: dual-voltage 120 V/240 V outputA1

Why it mattersWalk to your breaker box before you buy: any double-pole breaker you can't live without in an outage settles this page for the DELTA Pro 3.

The specific dimensions that decide these two units — everything else is a tie.

Runtime: Will It Power Your Gear?

Selected because: The Classic's 921.6 Wh head start is the only capacity gap on this page, and its larger solar input means it costs no extra refill time.

Run both packs through the same 85% allowance for conversion loss and the Classic keeps 4,265 Wh usable to the DELTA Pro 3's 3,482 Wh. The 783 Wh between them is more than two nights of the 320 Wh CPAP profile, carried for less money.

Output doesn't separate them at all. Both inverters are rated 4,000 W continuous, so any 120 V load that runs on one runs on the other, and for longer on the Classic. The only load the DELTA Pro 3 can run that the Classic can't is one wired for 240 V.

Your Life, Your Pick

Selected because: Every load profile we run fits easily inside both 4,000 W inverters, so these rows measure the pack rather than the 240 V question.

None of these rows comes close to either inverter. The hungriest profile peaks at 400 W, a tenth of what both units are rated for, so each row is really telling you how much of the pack one evening eats, and the Classic's bigger pack shows up as the smaller share every time.

Van Life Daily is the one row neither clears: its 4,685 Wh leaves the Classic 420 Wh short and the DELTA Pro 3 1,203 Wh short. The Classic's nameplate pack actually exceeds that load before the conversion allowance pulls it under, and either shortfall is under half an hour of each unit's own rated solar input.

Growth Path

Selected because: Both expand, but to different ceilings: 48 kWh for the DELTA Pro 3 and 30,105.6 Wh for the Classic.

solar input

Both bolt on extra batteries, and this is where the DELTA Pro 3 claws something back. It climbs to 48 kWhA1; the Classic stops at 30,105.6 Wh, which is its own 5,017.6 Wh pack plus five moreB6.

Run those ceilings past the solar inputs before they tempt you. A full Classic bank needs about 9.5 hours of rated sun at 3,200 W, and a full DELTA Pro 3 bank about 18.5 hours through its 2,600 W input. A bank that size refills from a generator or the grid as much as from the roof, and that drags the Classic's 15 A inlet back into the argument.

Strengths & trade-offs

EcoFlow DELTA Pro 3

Strengths

  • +Rated for 4,000 charge cycles — much longer battery lifespan

Trade-offs

  • –Very heavy unit that may be difficult for one person to lift.

EcoFlow TITAN 5000 Classic

Strengths

  • +Costs $200 less
  • +Lighter by 9.9 lb
  • +Larger battery capacity
  • +Faster solar charging

Trade-offs

  • –Very heavy unit that may be difficult for one person to lift.
  • –Shorter-lived battery — rated for 0 charge cycles vs the DELTA Pro 3's 4,000, so it wears out sooner.
03

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

Scoring these two at a campsite is a category error: neither travels — the DELTA Pro 3 is 112.4 lbs and the TITAN 5000 Classic 102.5 lbs, and at those weights they roll off a truck bed if they go anywhere at all. The 2,100Wh here is trivial for either — it's the going that doesn't happen. If you need power away from the building, you're shopping the wrong class.

Camping power station guide →

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

Either unit

Both survive the blackout with similar margin, and both list a UPS mode — compare their stated switchover classes, and remember those are manufacturer ratings, not measurements.

Emergency blackout power guide →

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 cover the night many times over and the capacity margin is a formality. Both happen to list 30dB — the same published figure twice, not a measured tie — so there is nothing in the noise column to separate them either. 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 — 100W on the DELTA Pro 3 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

Neither unit

Scoring these two at a tailgate is a category error: neither travels — the DELTA Pro 3 is 112.4 lbs and the TITAN 5000 Classic 102.5 lbs, and at those weights they roll off a truck bed if they go anywhere at all. The 670Wh here is trivial for either — it's the going that doesn't happen. If you need power away from the building, you're shopping the wrong class.

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 Pro 3 comes up 1,203Wh short (about 74% 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.

RV & van-life power guide →

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

DELTA Pro 317h
47% of usable battery in 8h
TITAN 5000 Classic20.8h
38% of usable battery in 8h

For this load: TITAN 5000 Classic runs 20.8h vs 17h.

Check TITAN 5000 Classic price →

$2,599 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 0–284.3h
ApplianceDELTA Pro 3TITAN 5000 Classic
CPAP Machine40W draw
DELTA Pro 3: 87h10 full nights
TITAN 5000 Classic: 106.6h13 full nights
Phone Charger15W draw
DELTA Pro 3: 232.1h
TITAN 5000 Classic: 284.3h
Router + Modem20W draw
DELTA Pro 3: 174.1h
TITAN 5000 Classic: 213.2h
Starlink75W draw
DELTA Pro 3: 46.4h
TITAN 5000 Classic: 56.9h
LED Lights (4 bulbs)40W draw
DELTA Pro 3: 87h
TITAN 5000 Classic: 106.6h
Laptop (Working)60W draw
DELTA Pro 3: 58h
TITAN 5000 Classic: 71.1h

Comfort & Convenience

Makes off-grid life actually enjoyablescale 0–56.9h
ApplianceDELTA Pro 3TITAN 5000 Classic
Box Fan75W draw
DELTA Pro 3: 46.4h
TITAN 5000 Classic: 56.9h
LED TV (55")80W draw
DELTA Pro 3: 43.5h
TITAN 5000 Classic: 53.3h
Mini-Fridge150W draw
DELTA Pro 3: 23.2h
TITAN 5000 Classic: 28.4h
Electric Blanket200W draw
DELTA Pro 3: 17.4h2 full nights
TITAN 5000 Classic: 21.3h2 full nights

High-Draw Appliances

These reveal the real limitsscale 0–4.3h
ApplianceDELTA Pro 3TITAN 5000 Classic
Coffee Maker1000W draw
DELTA Pro 3: 3.5h
TITAN 5000 Classic: 4.3h
Microwave1200W draw
DELTA Pro 3: 2.9h
TITAN 5000 Classic: 3.6h
Space Heater1500W draw
DELTA Pro 3: 2.3h
TITAN 5000 Classic: 2.8h

¹ 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

October 4, 2026

Verdict: the TITAN 5000 Classic

Buy the TITAN 5000 Classic if every circuit you plan to back up runs on 120 V. It matches the DELTA Pro 3's 4,000 W of continuous output, carries 5,017.6 Wh against 4,096 Wh, takes 3,200 W of solar against 2,600 W, and costs $200 less. What it gives up is specific: it has no 240 V output at allB1, EcoFlow pairs it with the 120 V version of the Smart Home Panel 10B4, and its AC inlet stops at 15 A on 120 VB7 while the DELTA Pro 3 stacks inputs to as much as 7,000 WA3. If a well pump, a dryer, a range or central air is on your outage list, the DELTA Pro 3 is the only one of these two that can run it.

EcoFlow has not published this price yet. We priced the TITAN 5000 Classic at $2,599 from EcoFlow's pre-launch store listing, so treat it as an estimate. We will update this comparison when the price is published.

Typical priceTITAN 5000 Classic$2,599 vs $2,799
PortabilityTITAN 5000 Classic102.5 vs 112.4 lb
Solar inputTITAN 5000 Classic3,200W vs 2,600W
■■■■■■□□□□6/10

Editor-assigned confidence, based on cited owner research and spec analysis.

List prices as of October 4, 2026. The links below open EcoFlow's current price.

Check TITAN 5000 Classic price

$2,599.00 (estimated) · check the store for today’s price

or check the DELTA Pro 3 price$2,799.00 list

Written by Gunner Gustafson, Whole-Home Backup Tester · Station Arena Test Desk · Updated October 4, 2026

Black Friday · 45 days out

Price to beat:DELTA Pro 3 $2,399

The lowest we have recorded. A Black Friday price above it is a sale this unit has already had.

EcoFlow Black Friday deals →
04

Measured Data

Benchmark scores and the full spec record, side by side.

Benchmark scores

DELTA Pro 3TITAN 5000 Classic
Overall Power Score
5,270
5,537
Home BackupCapacity & Resilience
5,489
5,415
Solar GeneratorSolar Input & Efficiency
4,706
5,044
Food TruckSustained Heavy Output
5,112
5,072

Not rated for both units (minimum threshold unmet): RV Living.

Full specifications

DELTA Pro 3
$2,799
Updated Oct 4
See live price →
TITAN 5000 Classic
$2,599.00 (estimated)★ our pick
Updated Oct 4
See live price →
Capacity (Wh)
4096
5017.6
Output (W)
4000
4000
Surge Peak
6000W
Not Specified
AC Outlets
5
4
240V Outlets
2
0
30A RV Outlets
1
1

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 3 rates 4.0/5 (42nd percentile of 20 Home Backup-class units), and TITAN 5000 Classic rates 3.8/5 (32nd percentile of 20 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.

[CAUTION]

Weight Reality Check

Neither unit is grab-and-go. The TITAN 5000 Classic (102.5 lbs) is a two-person lift. The DELTA Pro 3 (112.4 lbs) is firmly a two-person lift. It goes where you put it and stays there. That's a 10 lb difference.

[NOTE]

UPS Switchover: ≤10ms vs ≤20ms

Both list a UPS mode, at different rated speeds. The DELTA Pro 3 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.

[NOTE]

Warranty: No Difference

Both units carry the same 5-year warranty, so coverage isn't a tiebreaker here.

Full record above — the Test Desk pick is the TITAN 5000 Classic.

Check TITAN 5000 Classic price →or check the DELTA Pro 3 price
05

Ownership Analysis

What happens after you buy — true cost of ownership, brand trust, and growth potential.

Lifetime value

DELTA Pro 3TITAN 5000 Classic

│ 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.

DELTA Pro 3
TITAN 5000 Classic
Purchase price
$2,799.00
$2,599.00 (estimated)
Lifetime energy delivered
16,384 kWh
17,060 kWh est.
Cost per lifetime kWh
$0.17
$0.15 est.
Cost per warranty year
$560/yr
$520/yr
Battery lifespan
11yr daily · 38.5yr weekends · 76.9yr weekly
9.3yr daily · 32.7yr weekends · 65.4yr weekly est.

Analyst note

The TITAN 5000 Classic has no published cycle rating, so its lifetime rows use the average of the 28 LiFePO4 units EcoFlow does rate: about 3,400 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 Pro 3

EXPANDABLE

Supports EcoFlow expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 4,096Wh.

Accepts up to 2,600W of solar. Enough for a serious multi-panel array.

Generous port selection supports complex multi-device setups.

Expansion batteries are EcoFlow-specific. You're investing in the EcoFlow ecosystem.

TITAN 5000 Classic

EXPANDABLE

Supports 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.

DELTA Pro 3TITAN 5000 Classic

Analyst note

Both expand, so neither locks you out of growth — decide on capacity, price, and the rest, not the expansion checkbox.

06

What Owners Report

Patterns from published owner reports and long-term reviews — every claim cited to its source below.

EcoFlow DELTA Pro 3

The DELTA Pro 3's coverage comes from established review sites and retailer reviewsA0, and the praise clusters on two things: a 4,096 Wh LFP pack behind 4,000 W of dual-voltage outputA1, and charging speed, with 0–80% in about 50 minutes on up to 7,000 W of multi-charge inputA3. Reviewers also note an IP65 battery ratingA2, and one review calls it a gold-standard whole-home backup unit for 2026A4.

“4,096Wh LFP battery with 4,000W continuous AC output (6,000W with X-Boost) and dual-voltage 120V/240V, expandable to 48kWh.”
— ecoflow.com / amazon.com — DELTA Pro 3, 2026

Sources

ecoflow.com · amazon.com · homedepot.com · thepowerpick.com · outboundpower.com · techradar.com · thesolarlab.com

EcoFlow TITAN 5000 Classic

Everything on record for the Classic is EcoFlow's own rating label and store page, plus our arithmetic on themB0. Those establish the 5,017.6 Wh packB5, 4,000 W at 120 V with no split-phase outputB1, 3,200 W of solar across 30–250 VB3, an AC inlet capped at 15 AB7 and expansion to 30,105.6 WhB6. The pack's 204.8 V rating works out to 64 cells at 3.2 V, which points to LFP chemistry by our arithmeticB11.

“4,000 W continuous output at 120 V only — no 240 V split-phase.”
— EcoFlow rating label (regulatory filing), model EF-TT-5C-G1, 2026-07-20

Sources & Research Notes

Every owner claim in this report is traceable to a published source. The bracketed references above resolve here.

Recurring owner themes

  • Huge 4,096Wh LFP capacity, 4,000W dual-voltage output, very fast charging, and big expandability are the standout praise; it's heavy at ~113 lbs. [DELTA Pro 3 · 2 entries]
  • No owner or reviewer reports exist yet: every entry is EcoFlow's own rating label or store page, plus two of our own readings of the label. [TITAN 5000 Classic · 13 entries]
  • A1

    “4,096Wh LFP battery with 4,000W continuous AC output (6,000W with X-Boost) and dual-voltage 120V/240V, expandable to 48kWh.”

    ecoflow.com / amazon.com — DELTA Pro 3 · 2026 · [positive]

  • A2

    “LiFePO4 rated for 4,000+ cycles to 80% (10+ years), with an IP65 battery rating.”

    homedepot.com / thepowerpick.com — DELTA Pro 3 review · 2026 · [positive]

  • A3

    “Multi-charge technology reaches 0-80% in about 50 minutes using up to 7,000W input, with a full charge in roughly 90 minutes; up to 2,600W solar.”

    outboundpower.com / techradar.com — DELTA Pro 3 review · 2026 · [positive]

  • A4

    “Weighs about 113.5 lbs; reviewers call it a gold-standard whole-home backup unit for 2026.”

    techradar.com / thesolarlab.com — DELTA Pro 3 review · 2026 · [positive]

  • B1

    “4,000 W continuous output at 120 V only — no 240 V split-phase.”

    EcoFlow rating label (regulatory filing), model EF-TT-5C-G1 · 2026-07-20 · [mixed]

  • B2

    “Outlets: three 120 V 20 A sockets and one 120 V 30 A port.”

    EcoFlow rating label (regulatory filing), model EF-TT-5C-G1 · 2026-07-20 · [mixed]

  • B3

    “Solar MPPT 30–250 V, 16 A, 3,200 W max; PV short-circuit current 20 A max; PV DC AFCI Type 1.”

    EcoFlow rating label (regulatory filing), model EF-TT-5C-G1 · 2026-07-20 · [mixed]

  • B4

    “EcoFlow bundles the Classic with its 120 V Smart Home Panel 10, where the TITAN 5000 and Plus get the 240 V version.”

    EcoFlow US store page · 2026-07-20 · [mixed]

  • B5

    “5,017.6 Wh pack rated 204.8 V and 24.5 Ah — the same pack on all three TITAN 5000 models.”

    EcoFlow rating label (regulatory filing), model EF-TT-5C-G1 · 2026-07-20 · [positive]

  • B6

    “Expandable to 30,105.6 Wh, exactly six packs, using EcoFlow's EF-TT-E5-G1 extra battery, each matching the base unit's 5,017.6 Wh.”

    EcoFlow rating label (regulatory filing), model EF-TT-5C-G1 · 2026-07-20 · [positive]

  • B7

    “AC input 100–120 V, 15 A max, limited to under three hours when the draw is above 12 A.”

    EcoFlow rating label (regulatory filing), model EF-TT-5C-G1 · 2026-07-20 · [mixed]

  • B9

    “Indoor siting: the label places the unit in a utility space, outside bedrooms and other living areas — the standard rule for a unit holding more than 1 kWh.”

    EcoFlow rating label (regulatory filing), model EF-TT-5C-G1 · 2026-07-20 · [mixed]

  • B10

    “Operating temperature: discharge −10 °C to 45 °C (14 °F to 113 °F); charge 0 °C to 45 °C (32 °F to 113 °F).”

    EcoFlow rating label (regulatory filing), model EF-TT-5C-G1 · 2026-07-20 · [mixed]

  • B11

    “The 204.8 V pack is exactly 64 cells at 3.2 V, and the extra-battery port's 172.8–230.4 V window is exactly 64 × 2.7 V to 64 × 3.6 V — the working range of lithium iron phosphate (LFP) cells.”

    Power Station Arena analysis of EcoFlow's rating labels (our arithmetic, not a maker statement) · 2026-07-20 · [positive]

  • B14

    “UL 9540 certified and tested to UL 9540A, with EV-grade LFP cells and 24/7 BMS monitoring; EcoFlow calls these North America's highest safety standards for residential storage.”

    EcoFlow US store launch page, TITAN 5000 Classic (2026-10-13) · 2026-10-13 · [positive]

  • B15

    “Sold with EcoFlow's Smart Home Panel 10: factory pre-wired ('no custom field wiring needed') with app control of 10 household circuits; Smart Home Panel 10 installation is listed as 'coming soon'.”

    EcoFlow US store launch page, TITAN 5000 Classic (2026-10-13) · 2026-10-13 · [positive]

  • B16

    “OASIS 3.0: learns household energy habits, forecasts solar up to 3 days ahead, charges off-peak and uses stored energy on-peak. The store marks these features '×Subscription feature in the EcoFlow app.'”

    EcoFlow US store launch page, TITAN 5000 Classic (2026-10-13) · 2026-10-13 · [mixed]

  • B18

    “TITAN Series AC coupling: works with compatible existing rooftop solar (requires the Smart Home Panel 10 and a CT sensor), so an owner keeps the solar system already installed.”

    EcoFlow US store launch page, TITAN 5000 Classic (2026-10-13) · 2026-10-13 · [positive]

  • B22

    “AI TOU Mode with up to 3,200 W of solar input to lower electricity bills; EcoFlow lists no X-Fusion or grid-connection row for the Classic (120 V, Smart Home Panel 10 120 V version).”

    EcoFlow US store launch page, TITAN 5000 Classic (2026-10-13) · 2026-10-13 · [mixed]

Research compiled October 4, 2026.

07

Who Should Buy Which

Buy the DELTA Pro 3 if you…

  • →Your well pump sits on a double-pole breaker, and a dry tap is the outage problem you're actually solving. The Classic can't feed a 240 V circuit; the DELTA Pro 3 can.
  • →Your refill plan is a generator or the grid between outages, and you want the DELTA Pro 3's stacked inputs, which reviewers time at about 50 minutes to 80%A3, rather than one 15 A inlet.
  • →You expect to keep adding batteries past the Classic's 30,105.6 Wh: the DELTA Pro 3's ceiling is 48 kWhA1.

This is you — check the DELTA Pro 3 price

Buy the TITAN 5000 Classic if you…

  • →Your outage list is the fridge, the furnace blower, the router and the lights, all on 120 V, and you'd rather have 921.6 Wh more battery than pay for a voltage you won't use.
  • →You're building around panels: 3,200 W of solar input refills the bigger pack in about the same time the DELTA Pro 3 needs for its smaller one.
  • →You're installing EcoFlow's 120 V Smart Home Panel 10, the version the Classic is bundled withB4, and you have a utility room for a box EcoFlow's label keeps out of living areasB9.
  • →You're on time-of-use rates and want solar working for the bill: EcoFlow lists AI TOU Mode on the ClassicB22, while its OASIS 3.0 scheduling is a subscription feature in the EcoFlow appB16.

This is you — check the TITAN 5000 Classic price

If neither fits

If you need 240 V and more than 4,000 W on it at once, neither inverter is big enough: look at a larger split-phase unit (EcoFlow pairs its TITAN 5000 and Plus with the 240 V panelB4) or a standby generator. And if the job is a fridge and a CPAP through an evening outage, both are basement appliances doing a portable's work. That CPAP night uses 8% of the Classic and 9% of the DELTA, and a much smaller station handles it.

08

The Bottom Line

Take the TITAN 5000 Classic if your outage lives on 120 V. It runs the same 4,000 W as the DELTA Pro 3 from a pack 921.6 Wh bigger, refills that pack from the roof in the same time, and costs $200 less.

The DELTA Pro 3 earns its premium on one question, and you can answer it at the breaker box. Find a double-pole breaker you can't live without and the DELTA is your unit. Find none, and go get the Classic.

09

Frequently Asked Questions

Answers drawn from the spec record and cited owner research.

Can the EcoFlow TITAN 5000 Classic run 240 V appliances?

No. EcoFlow's rating label lists the Classic at 4,000 W, 120 V only, with no split-phase output, and it's bundled with the 120 V version of the Smart Home Panel 10. A well pump, dryer, range or central air on a 240 V circuit needs the DELTA Pro 3, which is dual-voltage.

Is the TITAN 5000 Classic bigger than the DELTA Pro 3?

Yes, by 921.6 Wh: 5,017.6 Wh against 4,096 Wh. Allowing 15% for conversion loss, that's 4,265 Wh usable against 3,482 Wh. Continuous output is identical at 4,000 W, so the Classic runs the same 120 V loads for longer.

Which charges faster, the DELTA Pro 3 or the TITAN 5000 Classic?

With every input stacked, the DELTA Pro 3: reviewers report 0–80% in about 50 minutes on up to 7,000 W of multi-charge input, while the Classic's AC inlet is capped at 15 A on 120 V. On solar they tie on time, because 3,200 W and 2,600 W each refill their own pack in about an hour and a half of full-rated sun, and the Classic banks 921.6 Wh more doing it.

How far can the TITAN 5000 Classic expand?

To 30,105.6 Wh: the base unit's 5,017.6 Wh pack plus five EF-TT-E5-G1 extra batteries of the same size. The DELTA Pro 3 goes higher, to 48 kWh, so for a very large bank it has the taller ceiling.

Where should a TITAN 5000 Classic be installed?

In a utility space, outside bedrooms and living areas, which is where EcoFlow's label places it. If that space is an unheated garage, note that the label's charging range starts at 32 °F even though it discharges down to 14 °F, so a frozen garage stops it taking a charge while it can still run your house.

What does the TITAN 5000 Classic add beyond the spec sheet?

EcoFlow lists the Classic as UL 9540 certified and tested to UL 9540A, and sells it with a factory pre-wired Smart Home Panel 10 that gives app control of 10 circuits. Its AI TOU Mode uses up to 3,200 W of solar input to lower electricity bills, and EcoFlow lists no X-Fusion or grid-connection row for the Classic. AC coupling with compatible existing rooftop solar needs a CT sensor, and the OASIS 3.0 features are marked a subscription feature in the EcoFlow app. These sit on top of the 4,000 W and 5,017.6 Wh the comparison turns on; they do not change the 120 V limit.

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Where to buy

DELTA Pro 3

EcoFlow DELTA Pro 3

$2,799.00

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$2,799.00 · direct from EcoFlow

Last checked 28 days ago. Prices move — check before you buy.

TITAN 5000 Classic

EcoFlow TITAN 5000 ClassicPick

$2,599.00 (estimated)

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$2,599.00 (estimated) · check the store for today’s price

Prices may vary by retailer and are subject to change.