Head-to-head test
EcoFlow DELTA Pro vs BLUETTI Elite 300
The Elite 300 costs $300 less, weighs 41 lbs less, and is rated for 2,500 more charge cycles than the DELTA Pro — the Pro's answer is 585.6Wh more capacity, 1,200W more continuous output, and a battery you can expand instead of replace.
Written by Gunner GustafsonUpdated
Whole-Home Backup Tester, Station Arena Test Desk
EcoFlow
DELTA Pro
5,338Power Score · The AC & Fridge Zone
$1,599.00 list · direct from EcoFlow
BLUETTI
Elite 300
4,904Power Score · Appliance Class
$1,199.00 list · direct from BLUETTI
Spec deltas
BLUETTI's Elite 300 undercuts the DELTA Pro by $300 and by nearly half on lifetime cost — six cents per kilowatt-hour delivered against eleven — while shipping 41 lbs lighter and rated for 2,500 more charge cycles. On paper this should be a rout.
It isn't quite, because the DELTA Pro answers with 585.6Wh more capacity, 1,200W more continuous output, and the one column BLUETTI can't touch: a battery you expand later instead of replacing outright. Owners who've run the Pro through real outages report it holding up as primary backup across multiple overnight events spanning monthsA3.
The decision comes down to whether you'll ever draw more than 2,400W at once or plan to grow past 3,014.4Wh. If not, the Elite 300's price, weight, and cycle-life advantages are hard to argue with.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
weight
Owners describe the Pro's integrated wheels as necessary rather than optional, and best on flat, smooth ground only — a cart is needed for anything unevenA2. The Elite 300, at 58 lbs, is a unit you carry; the Pro is a unit you roll.
DELTA Pro: 3,600Wh for $1,399, 99 lbsElite 300: 3,014.4Wh for $1,099, 58 lbs
Why it mattersAnyone loading this into a trunk or up a flight of stairs regularly should weigh the 41-lb gap above the 585.6Wh one.
rated cycles
That math assumes your needs stay under 3,014.4Wh forever. The Elite 300 is a sealed box — outgrow it and the upgrade is a whole second unit, not an add-on battery, which is exactly the DELTA Pro's answer for buyers already eyeing a bigger setup.
DELTA Pro: 3,500 cycles, $0.11 per lifetime kWhElite 300: 6,000 cycles, $0.06 per lifetime kWh, expandable: false
Why it mattersBuyers confident their power needs are capped should take the Elite 300's cost advantage; anyone planning a growing home-backup setup should discount that six-cent number by the price of a future second station.
continuous output
An undisclosed spec isn't proof of anything, but it means you're buying the Elite 300's noise behavior on faith, while the Pro's is a known, if unflattering, quantity — and the Pro's 1,200W higher ceiling means it's the one built to run more at once before it works that hard.
DELTA Pro: 60dB noise rating, 3,600W continuous outputElite 300: noise rating not disclosed, 2,400W continuous output
Why it mattersBuyers stacking a fridge and a space heater at once — a load closer to the Pro's 3,600W ceiling than the Elite's 2,400W — should weigh a known noisy number over an unknown one.
The specific dimensions that decide these two units — everything else is a tie.
Lifetime Value
Selected because: Elite 300 wins upfront price and lifetime cost by a wide margin — the central tension on this page.
cost / lifetime kWh
Six cents a kilowatt-hour against eleven is the number that decides this page for buyers who don't already know they'll expand. At $1,099, the Elite 300 costs $300 less to buy and, thanks to 2,500 more rated cycles, less than half as much to run over its life.
The DELTA Pro's $280 cost per warranty year against the Elite 300's $220 tells the same story in a different unit: BLUETTI's flagship is simply the cheaper machine to own for as long as either survives.
Growth Path
Selected because: The one column where the sealed Elite 300 has no answer to the Pro's expansion batteries.
solar input
The DELTA Pro takes EcoFlow expansion batteries; the Elite 300 is sealed at 3,014.4Wh and stays there. If your power needs are still growing — more gear, a longer trip, a partial home-backup buildout — that door matters more than the six-cent cost gap.
It's expansion that costs money you haven't spent yet, though: an add-on battery is still a purchase. For a buyer who's sure 3,014.4Wh is enough, the Elite 300's lower price today beats a growth path they'll never use.
Portability & Form Factor
Selected because: 41-lb gap changes how each unit actually gets moved and stored.
weight
Ninety-nine pounds is a two-person or cart job on anything but flat ground — the Pro ships with wheels for exactly that reason, and owners note they work best on smooth surfaces onlyA2. Fifty-eight pounds is still not light, but it's a unit one person carries to the car without planning the trip first.
That 41-lb gap is the same story as the Wh gap, just measured in your back instead of your wallet: more capacity, more machine to move.
What the Specs Don't Tell You
Selected because: Noise, noise-disclosure, and UPS-speed flags all fire and cut in different directions.
rated cycles
Three flags fire here and they don't all point the same way. The Elite 300 switches over faster during a power interruption — 10ms against the Pro's 20ms — and BLUETTI hasn't published a noise rating for it, while the Pro's is a known 60dB under load, with owners confirming it gets audibly loud past roughly 2,000WA4.
The expansion gap is the one that carries real weight: the Elite 300 has no path past its shipped capacity, full stop.
Brand Trust
Selected because: Cross-brand pair with real support and ecosystem differences worth surfacing.
EcoFlow runs the deeper ecosystem and the bigger community — about 31,000 members on its main Reddit community alone — with support that's polarized: many report painless prepaid-label replacements, others long waits or refurbished swaps. The Elite 300 comes from a brand whose app is tied for best-rated in the category (4.5/5) but whose support is the most inconsistent of the major players, heavy on email with China-timezone delays.
Buying the Pro from Costco or Amazon strengthens EcoFlow's return safety net; buying the Elite 300 direct from BLUETTI's own site tends to produce better support outcomes than third-party retailers.
Strengths & trade-offs
EcoFlow DELTA Pro
Strengths
- +Larger battery capacity
- +Higher AC output
- +Faster solar charging
Trade-offs
- –Substantially more expensive (+$400) than the Elite 300.
- –Significantly heavier (+41 lbs), making it harder to move.
- –Very heavy unit that may be difficult for one person to lift.
- –Can receive complaints about fan noise under heavy load.
- –Shorter-lived battery — rated for 3,500 charge cycles vs the Elite 300's 6,000, so it wears out sooner.
BLUETTI Elite 300
Strengths
- +Costs $400 less
- +Lighter by 41 lb
- +Rated for 6,000 charge cycles — much longer battery lifespan
Trade-offs
- –Weaker inverter (-1,200W) limits appliance compatibility.
- –Sealed capacity — the DELTA Pro can add batteries to grow past 3,014.4Wh; 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 Pro
Both units finish this trip, but the Pro does it with more room left over — 69% of capacity used against the Elite 300's 82%. Neither number should worry you; it matters more on a longer trip than a weekend one.
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
Both survive, but the DELTA Pro finishes at just 54% used. That's enough reserve for a second blackout night. The Elite 300 at 64% leaves little margin if the outage runs longer than expected. In storm-prone areas, that remaining capacity is insurance.
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 are wildly overqualified for CPAP. You're using 12% or less. Save your money and buy whichever is cheaper; the extra capacity is completely wasted on a 40W overnight load. Put the savings toward a second battery for multi-night trips.
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 breaking a sweat. At these utilization levels, prioritize the unit with better USB-C output for direct laptop charging. It's more convenient than using the AC inverter 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
Either unit
Both handle game day easily. Since capacity isn't the deciding factor, consider weight: the lighter unit is easier to load into a truck bed. Also check if either has Bluetooth speaker-level noise. Fan sound matters in social settings.
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 gets through a full day of van-life-level draw on its own — the Pro needs 153% of what it holds, the Elite 300 needs 183%. This is the scenario that tells you to stop comparing single units and start pricing a multi-battery system.
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 six 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 runs 14.9h vs 12.5h.
$1,599 list · direct from EcoFlow
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 0–204hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–40.8hHigh-Draw Appliances
These reveal the real limitsscale 0–3.1h¹ 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 14, 2026
Verdict: the BLUETTI Elite 300
Take the Elite 300 unless you need more than 2,400W running at once or you already know you'll outgrow 3,014.4Wh. It costs $300 less, weighs 41 lbs less, and is rated for 2,500 more cycles, which works out to roughly six cents per lifetime kilowatt-hour against the Pro's eleven. The DELTA Pro answers with more capacity, a 1,200W higher continuous ceiling, 2,400W more surge headroom, and the only expansion path on this page — real advantages for buyers running heavier loads or planning a growing home-backup setup, but not enough to close a gap this wide for everyone else.
Editor-assigned confidence, based on cited owner research and spec analysis.
List prices as of July 14, 2026. The links below open EcoFlow's and BLUETTI's current prices.
$1,199.00 list · direct from BLUETTI
or check the DELTA Pro price$1,599.00 list
Written by Gunner Gustafson, Whole-Home Backup Tester · Station Arena Test Desk · Updated July 14, 2026
Measured Data
Benchmark scores and the full spec record, side by side.
Benchmark scores
Not rated for both units (minimum threshold unmet): 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 — 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 rates 3.9/5 (33rd percentile of 16 Home Backup-class units), and Elite 300 rates 4.6/5 (79th percentile of 25 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.
DELTA Pro: 99 lbs Is a Commitment
At 99 lbs, this is manageable but not fun to carry. That's heavier than a large checked suitcase. Moving it from your car to a campsite requires some effort and flat terrain.
60dB Isn't the Pro's Best Look
This is the DELTA Pro volunteering its own weak spot: the fans are audible under heavy load, loud enough to notice in a quiet room. It's at least a known number — the Elite 300 hasn't published one to compare it against.
The Elite 300's One Sealed Door
The DELTA Pro takes add-on batteries later; the Elite 300 is sealed at 3,014.4Wh for good. That only matters if you already suspect you'll need more — most buyers who size correctly upfront will never notice the door isn't there.
UPS Speed: line-interactive (<10ms) vs standby (<20ms)
The Elite 300 switches to battery in 10ms (line-interactive (<10ms)), while the DELTA Pro takes 20ms (standby (<20ms)). Safe for desktop PCs, routers, and CPAP machines. NAS drives are protected. This matters if you're using it as a home UPS for always-on equipment.
Warranty Value Comparison
The Elite 300 gives you 4.2 years of warranty per $1,000 spent, vs the DELTA Pro's 3.1 years. That's 1.3× more coverage per dollar. An underrated factor if you're keeping this unit for years.
Battery Lifespan in Real Years
The Elite 300 is rated for 6,000 cycles vs 3,500. In real life: at daily use, that's 16.4 vs 9.6 years. At weekend use (twice a week), it's 58 vs 34 years. After hitting the cycle limit, the battery doesn't die. It drops to ~80% original capacity, which is still very usable.
Elite 300: No Number to Check
BLUETTI hasn't published a noise rating for the Elite 300. That's not evidence it's louder or quieter than the Pro's 60dB — just that you're buying its sound profile without a spec to hold it to.
Full record above — the Test Desk pick is the Elite 300.
Check Elite 300 price →or check the DELTA Pro 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 300 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.
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. Supports up to 180kWh modular expansion with DELTA Pro Ultra X.
Worth knowing
The Oct 2025 DELTA Max 2000 recall (overheating/fire risk, 6 incidents) is worth noting. Also 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 (Apex 300, 3072Wh). 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. Full LFP standardization across lineup (3,500-6,000+ cycles). 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 has the bigger ecosystem and the more active community; BLUETTI has the better cost-to-capacity ratio and a tied-for-best-rated app. Support is the wildcard on both sides — EcoFlow's is polarized, BLUETTI's is the most inconsistent in the category — so where you buy from matters almost as much as which brand you pick.
Growth path
DELTA Pro
EXPANDABLESupports EcoFlow expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 3,600Wh.
Accepts up to 1,600W 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.
Elite 300
FIXED CAPACITYFixed at 3,014Wh — a sealed, complete system. No expansion port, but that capacity already covers heavy and multi-day loads.
Accepts up to 1,200W 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 300 is sealed at 3,014Wh, which is fine if that covers you. The DELTA Pro starts at 3,600Wh and can grow beyond it with EcoFlow expansion batteries — real headroom the Elite 300 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 Pro
The DELTA Pro has long been treated as a gold standard for home backup — sized for high-draw appliances and built around full-scale battery expansion, running a fridge, lighting, and a space heater through an outageA1. Owners who've relied on it through extended outages report it held up as primary backup across multiple overnight events spanning months, powering several essentials at onceA3.
The recurring knock is fan noise: past roughly 2,000W the fans put out a noticeable high-pitched whine that's distracting in a quiet room, though it stays quiet enough at lighter loadsA4. It's also heavy enough that the integrated wheels are doing real work rather than offering a convenience — best on flat ground, with a cart recommended for anything unevenA2.
“Long regarded as a gold standard for home backup — designed for high-draw appliances and full-scale battery expansion, running home essentials like a fridge, lighting, and a space heater through outages.”
Sources
backuppowerhub.com · us.ecoflow.co · outdoorgearlab.com · bobvila.com · powerstationadvisor.com · robbsutton.com
BLUETTI Elite 300
The Elite 300's field evidence leads with cell quality: premium LiFePO4 rated for 6,000-plus cycles to 80%, the same tier BLUETTI uses in its Elite 100 V2, Elite 200 V2, and Apex 300B1. It's also the densest 3kWh station on the market — certified the smallest by volume as of January 2026, in a chassis closer to a standard 2kWh unit despite holding 3,014.4WhB2.
Multiple 2026 owner reports describe solid real-world performance across home backup, RV, and off-grid useB4 — encouraging for a unit this new, though it hasn't had years to build the kind of long-haul track record the Pro has.
“3,014Wh of premium LiFePO4 rated for 6,000+ cycles to 80% — over 16 years of daily use — the same cell tier used in the Elite 100 V2, Elite 200 V2, and Apex 300.”
Sources
backuppowerhub.com · trustedreviews.com · rv.com · thetechnologyman.com · exspenditure.com · reviewed.com · camerajabber.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
- Established home-backup platform with wheeled portability and massive expandability; the consistent knock is fan noise under heavy load. [DELTA Pro · 3 entries]
- 6,000-cycle LFP longevity, a class-leading compact size for 3kWh, and strong real-world performance are the standout praise. [Elite 300 · 3 entries]
- A1
“Long regarded as a gold standard for home backup — designed for high-draw appliances and full-scale battery expansion, running home essentials like a fridge, lighting, and a space heater through outages.”
backuppowerhub.com / us.ecoflow.com — EcoFlow DELTA Pro review · 2025-2026 · [positive]
- A2
“Heavy but wheeled — integrated wheels and a telescoping handle help move its considerable weight, though they work best on flat, smooth surfaces; a cart is needed for uneven ground.”
outdoorgearlab.com / bobvila.com — DELTA Pro-line review · 2025-2026 · [mixed]
- A3
“Reliable through extended outage use — served as primary backup across multiple overnight outages over months, powering essentials simultaneously; LFP battery rated for thousands of cycles and 10+ years of daily use.”
powerstationadvisor.com / robbsutton.com — DELTA Pro-line review · 2025-2026 · [positive]
- A4
“Not silent under heavy load — under 2000W-plus draws the fans emit a noticeable high-pitched whine that's distracting in a quiet room, though it runs quietly enough at lighter loads.”
outdoorgearlab.com — DELTA Pro-line noise testing · 2025-2026 · [negative]
- B1
“3,014Wh of premium LiFePO4 rated for 6,000+ cycles to 80% — over 16 years of daily use — the same cell tier used in the Elite 100 V2, Elite 200 V2, and Apex 300.”
backuppowerhub.com / trustedreviews.com — Elite 300 review · 2026 · [positive]
- B2
“Certified as the world's smallest 3kWh portable power station by volume (as of January 2026), fitting a chassis closer to a standard 2kWh unit, at just under 58 lbs.”
backuppowerhub.com / rv.com — Elite 300 review · 2026 · [positive]
- B4
“Multiple 2026 owner reviews report strong real-world performance across home backup, RV, and off-grid use.”
reviewed.com / camerajabber.com — Elite 300 owner reviews · 2026 · [positive]
Research compiled July 14, 2026.
Who Should Buy Which
Buy the DELTA Pro if you…
- →You need more than 2,400W running at once — the extra 1,200W of continuous output and 2,400W of surge headroom is the Pro's real edge.
- →You already know your power needs will grow and want an expansion path instead of a second unit down the line.
Buy the Elite 300 if you…
- →You want the lower price and the lower running cost — $300 less upfront and roughly half the cost per lifetime kWh.
- →You're the one carrying it — 41 fewer pounds is the difference between a one-person lift and a two-person or cart job.
If neither fits
If your real need is multi-day whole-home backup, neither gets there alone — our Van Life Daily scenario needs 153% of the Pro's capacity and 183% of the Elite 300's. Look at a stacked or expandable system sized for that load, or a hardwired transfer-switch setup built for it.
The Bottom Line
Take the Elite 300 unless you need more than 2,400W running at once or you already know you'll expand past 3,014.4Wh. It's $300 cheaper, 41 lbs lighter, rated for 2,500 more cycles, and costs roughly half as much per lifetime kilowatt-hour.
The Pro's case is real but narrower: more continuous output, more surge headroom, and the only expansion path on this page. If that's not you, the cheaper, lighter, longer-lived unit wins going away.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Is the BLUETTI Elite 300 actually cheaper to own than the EcoFlow DELTA Pro?
Yes on both counts that matter. It costs $300 less to buy and works out to roughly six cents per lifetime kilowatt-hour against the Pro's eleven, thanks to a cycle-life rating 2,500 cycles higher. The Pro's advantages are elsewhere — more capacity, more output, and an expansion path.
Can the Elite 300 run a fridge and a space heater at the same time?
It depends on the exact draw, but its 2,400W continuous ceiling is 1,200W lower than the Pro's 3,600W. Stack multiple high-draw appliances at once and the Pro's higher ceiling gives you more room before you hit a limit.
Which one is quieter?
The DELTA Pro is rated at 60dB under load, and owners confirm a noticeable whine past roughly 2,000W. BLUETTI hasn't published a noise figure for the Elite 300, so there's no official number to compare it against.
Does the DELTA Pro's expansion path matter if I'm not planning to expand?
Not much today. If 3,014.4Wh already covers your use case, the sealed Elite 300 design costs you nothing. It only matters if your needs are likely to grow past that in the next few years.
Where to buy
EcoFlow DELTA Pro
$1,599.00
$1,599.00 list · direct from EcoFlow
BLUETTI Elite 300Pick
$1,199.00
$1,199.00 list · direct from BLUETTI
Prices may vary by retailer and are subject to change.