Head-to-head test
EcoFlow DELTA Pro Ultra + 2 Batteries vs EcoFlow TITAN 5000 Classic
Expansion adds watt-hours, not volts: if anything on your must-run list is wired for 240 V, the TITAN 5000 Classic can't run it at any size and the DELTA Pro Ultra + 2 Batteries can, so the wiring settles this page before capacity does.
Full profiles: EcoFlow DELTA Pro Ultra + 2 Batteries → · EcoFlow TITAN 5000 Classic →
Written by Gunner GustafsonUpdated
Whole-Home Backup Tester, Station Arena Test Desk
Spec deltas
The TITAN 5000 Classic can't run a 240 V circuit, and nothing you bolt onto it changes that. Its 4,000 W inverter is 120 V only, with no split-phaseB1, so a well pump, central air or electric dryer on a 240 V circuit is off the menu. The DELTA Pro Ultra + 2 Batteries lists two 240 V outputs on its record and puts out 7,200 W, and one reviewer ran central air, a refrigerator and a well pump on it at once without a flickerA9.
That makes this a wiring question before it's a capacity one, although the bundle wins capacity too, 18,432 Wh against a single 5,017.6 Wh pack. Before you compare anything else, open your breaker panel and look at what sits on a two-pole breaker. If any of it has to keep running in an outage, you've already chosen.
The Classic's win is the bill: $2,599 against $7,999. For an all-120 V house whose outages end overnight, it gets through our 8-hour blackout load with 39% of its usable energy spent and leaves $5,400 in your account. Everyone else is shopping for the bundle.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
continuous output
Adding packs doesn't touch that. Six Classic packs is 30,105.6 Wh of 120 V power, a bigger pantry stocked with the wrong groceries. The bundle's 240 V outputs are why one reviewer could run a well pump and central air on it togetherA9.
TITAN 5000 Classic: 4,000 W continuous at 120 V only, no 240 V split-phaseB1Classic is bundled with EcoFlow's 120 V Smart Home Panel 10B4Classic expands to 30,105.6 Wh across six packsB6DELTA Pro Ultra + 2 Batteries: 7,200 W output, two 240 V ports on its record
Why it mattersIf your well pump or central air sits on a 240 V breaker, cross the Classic off before you look at a single price.
Capacity
Growing it to match the bundle takes four packs, each one eating into the $5,400 head start, and every one of them still behind a 120 V inverter. The Classic stays the bargain only while it stays small.
8-hour blackout load, 1,645 Wh: Classic 39% used with 1.6 more nights left; bundle 10% used with 8.5 more4,685 Wh day: Classic 420 Wh short; bundle finishes with 10,982 Wh to spareClassic needs four packs, 20,070.4 Wh (4 × 5,017.6), to pass the bundle's 18,432 Wh
Why it mattersIf outages where you live run for days, price the Classic with the packs you'll actually need, not as it ships.
So the Classic never wins on value per watt-hour here. It wins on a smaller cheque for a smaller job, and that's only a win when the job really is small: 120 V loads, one night.
DELTA Pro Ultra + 2 Batteries: 18,432 WhTITAN 5000 Classic: 5,017.6 WhCatalogue cost per Wh: lower on the DELTA Pro Ultra bundle than on the Classic
Why it mattersAnyone drawn to the Classic as the bargain should be buying it for its size, not its rate.
The specific dimensions that decide these two units — everything else is a tie.
Your Life, Your Pick
Selected because: Our blackout, workday and heavy-day loads show where one 5,017.6 Wh pack runs out and 18,432 Wh doesn't.
The light rows barely register. A CPAP night uses 2% of the bundle and 8% of the Classic, and the 910 Wh remote workday uses 6% and 21%. Neither is a reason to spend $5,400.
The heavy day is. At 4,685 Wh the Classic comes up 420 Wh short, about 91% of the way, while the bundle still has 10,982 Wh in it at bedtime. That's the row where a single Classic pack stops being enough, and a second pack is the fix.
Runtime: Will It Power Your Gear?
Selected because: Once the 240 V question is settled, endurance comes next: 15,667 usable Wh against 4,265.
continuous output
Take the flat 15% conversion allowance off both and the bundle has 15,667 Wh to spend against the Classic's 4,265. On our overnight blackout load, that's the difference between about two and a half nights and about nine and a half, starting from the same first evening.
Closing it with Classic packs goes in 5,017.6 Wh steps. Three packs reach 15,052.8 Wh (3 × 5,017.6), still short; the fourth gets past 18,432. By then you own a stack as big as the bundle that still can't run a 240 V circuit.
Growth Path
Selected because: Both expand, but Classic packs add watt-hours at 120 V only, and the solar ceilings are 5,600 W against 3,200 W.
solar input
Both take EcoFlow expansion batteries. The Classic's ceiling is documented at six packs, 30,105.6 WhB6; the bundle's record says it expands but gives no ceiling, so that's where the ladder comparison stops.
In a long outage the solar ceiling matters more than the ladder. The bundle takes up to 5,600 W from panels; the Classic takes 3,200 W, inside a 30 to 250 V windowB3. That 2,400 W difference is refill you don't get back on day two, three and four.
Strengths & trade-offs
EcoFlow DELTA Pro Ultra + 2 Batteries
Strengths
- +Larger battery capacity
- +Higher AC output
- +Longer warranty
- +Faster solar charging
- +Rated for 3,500 charge cycles — much longer battery lifespan
Trade-offs
- –Substantially more expensive (+$5,400) than the TITAN 5000 Classic.
- –Significantly heavier (+302.9 lbs), making it harder to move.
- –Very heavy unit that may be difficult for one person to lift.
EcoFlow TITAN 5000 Classic
Strengths
- +Costs $5,400 less
- +Lighter by 302.9 lb
Trade-offs
- –Weaker inverter (-3,200W) limits appliance compatibility.
- –Very heavy unit that may be difficult for one person to lift.
- –Shorter-lived battery — rated for 0 charge cycles vs the DELTA Pro Ultra + 2 Batteries's 3,500, 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 · 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 Ultra + 2 Batteries is 405.4 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.
Battery budget usedlower = more headroom
LOAD Phone Charger 15W×6h · LED Lights 40W×8h · Box Fan 75W×14h · CPAP Machine 40W×16h
SCN-02 · 8 hours · needs 1,645Wh
8-Hour Blackout
Keep the essentials running through a night without power
DELTA Pro Ultra + 2 Batteries
Both survive the night. The DELTA Pro Ultra + 2 Batteries finishes at 10% used with 14,022Wh left — 8.5 more nights like it. The TITAN 5000 Classic finishes at 39% with 2,620Wh, 1.6 more nights like it. 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 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
DELTA Pro Ultra + 2 Batteries
The DELTA Pro Ultra + 2 Batteries clears the workday at 6% used, banking 14,757Wh — late work, extra calls, or a second laptop charge without arithmetic. The TITAN 5000 Classic at 21% also finishes, with 3,355Wh 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
Neither unit
Scoring these two at a tailgate is a category error: neither travels — the DELTA Pro Ultra + 2 Batteries is 405.4 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
DELTA Pro Ultra + 2 Batteries
The TITAN 5000 Classic doesn't finish — 4,265Wh usable against the 4,685Wh this needs leaves it 420Wh short, about 91% of the scenario covered (its nameplate 5,018Wh actually clears this — the flat 15% conversion allowance is what tips it under). The DELTA Pro Ultra + 2 Batteries covers it with 10,982Wh to spare.
Battery budget usedlower = more headroom
LOAD Mini-Fridge 150W×24h · Laptop 60W×4h · Phone Charger 15W×3h · LED Lights 40W×5h · Fan 75W×8h
The Load Test
RUNTIME = (Wh × 0.85) ÷ LOAD
None of the scenarios above exactly yours? Build it. Toggle what you'd plug in; both units are tested against the combined draw.
Essentials
Comfort & Convenience
High-Draw Appliances
Test duration
8h
Continuous draw
205W
Projected runtime
For this load: DELTA Pro Ultra + 2 Batteries runs 76.4h vs 20.8h.
$7,999 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 0–1044.5hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–208.9hHigh-Draw Appliances
These reveal the real limitsscale 0–15.7h¹ 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 DELTA Pro Ultra + 2 Batteries, on Power Score margin
Buy the DELTA Pro Ultra + 2 Batteries if you're backing up a house. It feeds 240 V circuits the Classic can't reach at all, puts out 7,200 W to the Classic's 4,000 W, and holds 18,432 Wh against 5,017.6 Wh. The Classic's case is the bill, $2,599 against $7,999, and that $5,400 saving is the right call for exactly one household: everything it needs on 120 V, and outages that are over by breakfast. That house should take the Classic and not look back.
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.
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.
$7,999.00 · direct from EcoFlow
Last checked less than an hour ago. Prices move — check before you buy.
or check the TITAN 5000 Classic price$2,599.00 (estimated)
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 Ultra + 2 Batteries $7,899
The lowest we have recorded. A Black Friday price above it is a sale this unit has already had.
Measured Data
Benchmark scores and the full spec record, side by side.
Benchmark scores
Not rated for both units (minimum threshold unmet): Solar Generator.
Full specifications
ᵈ Derived: price ÷ rated capacity. See the data behind our comparisons →
Comparison ToolAdd more power stations, side by sideOpen Tool →How these numbers are produced
Numeric verification
Every figure on this page traces to our spec database or arithmetic on it — no estimated numbers.
Owner claims
Statements about owner experience are cited to published reviews — see Sources & Research Notes below.
Runtime model
Runtime = (rated capacity × 0.85 inverter efficiency) ÷ device wattage. Solar recharge estimates assume panels deliver 70% of rated output. Cold weather, battery age, and stacked loads reduce real-world results.
Power Score
Computed from 14 published spec dimensions, weighted per use-case bench. Higher is better; a unit must meet a bench's minimum threshold to be rated.
See the full weight table and data sourcing on our methodology page →Class ranking (the star rating)
Each unit's star score is a category ranking, not customer reviews — no buyer opinions feed it. We score every station on size-independent quality (value, output, portability, endurance, ports, warranty, and more), then percentile-rank it against the other units in its capacity class, so a class-leading compact unit and a class-leading whole-home unit can both earn 5★. Here, DELTA Pro Ultra + 2 Batteries rates 3.8/5 (29th percentile of 29 Whole-Home / Off-Grid-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.
Weight Reality Check
Neither unit is grab-and-go. The TITAN 5000 Classic (102.5 lbs) is a two-person lift. The DELTA Pro Ultra + 2 Batteries (405.4 lbs) is spread across its boxes — no single lift, but nothing you reposition on a whim. That's a 303 lb difference, and it is paid once — getting the heavier one into position, not every time you move it.
UPS Switchover: 0ms-rated vs ≤20ms
Both list a UPS mode, at different rated speeds. The DELTA Pro Ultra + 2 Batteries is rated 0ms — a no-break design on paper, which is the maker's classification rather than a stopwatch result. 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: 10 Years vs 5
The DELTA Pro Ultra + 2 Batteries is covered for 10 years against the TITAN 5000 Classic's 5 years. The cheaper TITAN 5000 Classic does buy more warranty per dollar (1.9 years per $1,000 against 1.3), but that is a statement about price, not about coverage — if a fault appears in year 6, only one of these is still covered. An underrated factor if you're keeping this unit for years.
Full record above — the Test Desk pick is the DELTA Pro Ultra + 2 Batteries.
Check DELTA Pro Ultra + 2 Batteries price →or check the TITAN 5000 Classic 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 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 Ultra + 2 Batteries
EXPANDABLESupports EcoFlow expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 18,432Wh.
Accepts up to 5,600W 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 DELTA Pro Ultra + 2 Batteries's higher solar ceiling (5,600W vs 3,200W) gives it the stronger off-grid growth path — more panels can feed a bigger bank as it grows.
What Owners Report
Patterns from published owner reports and long-term reviews — every claim cited to its source below.
EcoFlow DELTA Pro Ultra + 2 Batteries
The praise comes from people running whole houses. One owner with a two-battery setup runs most of the house on it and sees no flicker at the switch through the home panelA14; another found one battery carried the entire home for 4 to 5 hours at peak, and a second battery doubled itA13. A reviewer ran central air, a fridge and a well pump togetherA9, and another found it silent in useA15.
The complaints are specific and worth reading first. One forum owner found a web guide where a manual should be, and support that pointed back to it twiceA2; the same owner reported interference on 146.520 MHz with the inverter offA3 and a charge reading that fell from 90% to 8%A6. A tester measured idle drain that would empty a 6kWh battery in about 60 hoursA7. Each extra battery is roughly a 115 lb, two-person liftA8, and one owner measured the battery nearest the inverter running about 10 degrees warmerA11. By our research's own account, long-term reports on this exact bundle are thinA0.
“This means that without any grid or solar input, the system would fully drain its own 6kWh battery in about 60 hours. For off-grid use, this parasitic drain must be carefully factored into your energy budget.”
EcoFlow TITAN 5000 Classic
The evidence for the TITAN 5000 Classic so far is EcoFlow's own published ratings. EcoFlow's rating label puts the pack at 5,017.6 WhB5 behind a 4,000 W, 120 V-only inverterB1, with three 120 V 20 A sockets and a 120 V 30 A portB2, solar up to 3,200 WB3, and room for six packs, 30,105.6 Wh in allB6. The same label places it indoors in a utility space, outside bedrooms and living areasB9.
“4,000 W continuous output at 120 V only — no 240 V split-phase.”
Sources & Research Notes
Every owner claim in this report is traceable to a published source. The bracketed references above resolve here.
Recurring owner themes
- Owners repeatedly report EcoFlow customer support gives dismissive or unhelpful answers to specific technical questions (manual gaps, RFI interference, app charting). [DELTA Pro Ultra + 2 Batteries · 3 entries]
- The unit's idle/parasitic self-consumption is a recurring theme, both as a documented SoC anomaly and as an acknowledged spec-level drain figure from a tester. [DELTA Pro Ultra + 2 Batteries · 2 entries]
- Multiple owners note the extra battery packs are extremely heavy (100+ lbs each), requiring two people, and one owner separately observed uneven heat between stacked batteries raising summer overheating concerns. [DELTA Pro Ultra + 2 Batteries · 3 entries]
- Real owners with 2-battery setups consistently praise seamless/flicker-free UPS switchover and confirm the system genuinely runs whole-home loads (AC, well pump, most of house). [DELTA Pro Ultra + 2 Batteries · 3 entries]
- Adding a second battery is described by owners as meaningfully extending real-world runtime for whole-home backup, matching expectations. [DELTA Pro Ultra + 2 Batteries · 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]
- A2
“No real manual. All they have is the web user guide which is superficial if I'm being generous. I asked support about it and they pointed me at the web guide I was complaining about. Twice.”
DIY Solar Power Forum — 'Ecoflow Delta Pro Ultra issues' thread · 2024-02 · [negative]
- A3
“Even when the inverter is not running, it interferes with common frequencies like 146.520MHz.”
DIY Solar Power Forum — 'Ecoflow Delta Pro Ultra issues' thread · 2024-02 · [negative]
- A6
“After a few days of using it overnight and letting it charge back up to '90%', it'd go from '90%' down to '8%'.”
DIY Solar Power Forum — 'Ecoflow Delta Pro Ultra issues' thread · 2024-02 · [negative]
- A7
“This means that without any grid or solar input, the system would fully drain its own 6kWh battery in about 60 hours. For off-grid use, this parasitic drain must be carefully factored into your energy budget.”
Battery Skills — 'EF ECOFLOW DELTA Pro Ultra + Extra Battery Review' · 2025-10 · [mixed]
- A8
“The main inverter is a manageable 71 lbs, but each Ultra Smart Extra Battery is a dense 115 lbs, requiring two people for safe movement.”
Battery Skills — 'EF ECOFLOW DELTA Pro Ultra + Extra Battery Review' · 2025-10 · [mixed]
- A9
“We powered a central air conditioner, refrigerator, and well pump simultaneously without a flicker.”
Battery Skills — 'EF ECOFLOW DELTA Pro Ultra + Extra Battery Review' · 2025-10 · [positive]
- A11
“I noticed the battery closest to the inverter seems to run hotter than the one below. About 10 degrees warmer. I switched the batteries around to ensure that it wasn't the battery and got the same results.”
Walmart customer reviews — 'EF EcoFlow Extra Battery for DELTA Pro Ultra' · unknown · [negative]
- A13
“I originally bought my Delta Pro Ultra with the single battery, worked great is able to power my entire home for about 4 to 5 hours during peak times... I bought a second battery... My run time has doubled eliminating the anxiety.”
Walmart customer reviews — 'EF EcoFlow Extra Battery for DELTA Pro Ultra' · unknown · [positive]
- A14
“With the home panel, there is no flicker when the power changes. I bought a unit with 2 batteries and it runs my most of my house.”
Walmart customer reviews — 'EF EcoFlow Extra Battery for DELTA Pro Ultra' · unknown · [positive]
- A15
“I was pleased to discover the DPU runs completely silent; if a fan kicked on at some point, I never heard it.”
Yahoo Tech — 'EcoFlow Delta Pro Ultra whole home battery backup review' · 2024-06 · [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]
- 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]
- 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]
- B17
“Storm Mode: alerts and automatically charges the battery before severe weather; backup switchover under 20 ms through the Smart Home Panel 10.”
EcoFlow US store launch page, TITAN 5000 Classic (2026-10-13) · 2026-10-13 · [positive]
- B20
“Modular: start at 5 kWh, add batteries to 30 kWh with plug-in connections, and take the system with you when you move ('almost no removal cost', excluding hardwired panel work).”
EcoFlow US store launch page, TITAN 5000 Classic (2026-10-13) · 2026-10-13 · [positive]
Research compiled October 4, 2026.
Who Should Buy Which
Buy the DELTA Pro Ultra + 2 Batteries if you…
- →The house with a 240 V well pump or central air on its must-run list. The Classic can't power either at any size; this can.
- →Anyone whose outages last days. 18,432 Wh and a 5,600 W solar ceiling keep going long after one 5,017.6 Wh pack would be flat.
- →The buyer who'd keep adding Classic packs until they matched it anyway: it takes four, and they'd still be 120 V.
Buy the TITAN 5000 Classic if you…
- →The all-120 V house that wants the fridge, the sump pump, the router and the lights through one night, and would rather keep $5,400.
- →Someone starting deliberately small, adding 5,017.6 Wh packs as outages show what the house really uses, and fine with every one of them staying 120 V.
- →A 120 V house that wants app control of ten circuits from a factory pre-wired Smart Home Panel 10B15 and a unit listed as UL 9540 certifiedB14, and is happy to start at 5 kWhB20.
If neither fits
If the real job is a CPAP and a phone through the night, close this tab cheerfully. Our CPAP load uses 2% of one and 8% of the other; a small portable station does that for a fraction of either price.
The Bottom Line
Buy the DELTA Pro Ultra + 2 Batteries if you're backing up a house. The Classic's limit fits in three words, 120 V only, and no number of extra packs fixes it.
Take the Classic if nothing on your panel that matters is on 240 V and one night is the whole job. Then $5,400 is a lot to pay for capacity you'll never reach. Otherwise, the bundle is the one that earns its spot in the utility room.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Can the EcoFlow TITAN 5000 Classic run a well pump or central air?
Only if they run on 120 V. The Classic's 4,000 W inverter is 120 V only, with no split-phase output, so a pump or condenser on a 240 V breaker is out of reach. The DELTA Pro Ultra + 2 Batteries lists two 240 V outputs, and one reviewer ran central air and a well pump on it together.
Is the TITAN 5000 Classic better value than the DELTA Pro Ultra with two extra batteries?
Not per watt-hour. $7,999 for 18,432 Wh works out cheaper per watt-hour than $2,599 for 5,017.6 Wh. The Classic is the smaller bill for a smaller job, and it's the right buy only when that job is 120 V and one night long.
How many TITAN 5000 Classic batteries does it take to match the DELTA Pro Ultra + 2 Batteries?
Four packs. Three reach 15,052.8 Wh, short of the bundle's 18,432 Wh; four reach 20,070.4 Wh. The Classic tops out at six, 30,105.6 Wh, and every pack still sits behind a 120 V-only inverter.
Which lasts longer in a power outage, the DELTA Pro Ultra bundle or the TITAN 5000 Classic?
The bundle, by a wide margin. On our 8-hour blackout load it finishes with 10% of its usable energy spent against the Classic's 39%, leaving 8.5 more nights in reserve to the Classic's 1.6. On a heavy 4,685 Wh day, the Classic runs 420 Wh short.
What does the TITAN 5000 Classic add beyond the spec sheet?
EcoFlow lists the TITAN 5000 Classic as UL 9540 certified and tested to UL 9540A. The TITAN 5000 Classic ships with a factory pre-wired Smart Home Panel 10 that controls 10 circuits from the app. Storm Mode charges the battery ahead of severe weather. The TITAN 5000 Classic starts at 5 kWh, grows to 30 kWh by plugging in batteries, and EcoFlow says it moves with you.
Related comparisons
Where to buy
EcoFlow DELTA Pro Ultra + 2 BatteriesPick
$7,999.00
$7,999.00 · direct from EcoFlow
Last checked less than an hour ago. Prices move — check before you buy.
EcoFlow TITAN 5000 Classic
$2,599.00 (estimated)
$2,599.00 (estimated) · check the store for today’s price
Prices may vary by retailer and are subject to change.