Head-to-head test
EcoFlow DELTA 3 vs BLUETTI AC70
The DELTA 3 costs $190 more and never pays that back in lifetime cost, but it doubles the AC70's surge ceiling, runs quiet enough that the noise flag doesn't even fire, and switches over twice as fast — a real capability premium, not a markup.
Written by Ian SchneiderUpdated
Solar & Off-Grid Tester, Station Arena Test Desk
EcoFlow
DELTA 3
3,196Power Score · Appliance Class
$549.00 list · direct from EcoFlow
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BLUETTI
AC70
2,727Power Score · Appliance Class
$359.00 list · direct from BLUETTI
Spec deltas
The EcoFlow DELTA 3 costs $190 more than the BLUETTI AC70 and doesn't win the lifetime-cost math for it — $0.17 per kilowatt-hour against $0.14 — which makes this the rare matchup on this site where the pricier unit doesn't quietly become the cheaper one over time.
What the $190 buys instead is capability: 1,024Wh against 768Wh, 1,800W continuous against 1,000W, and a 3,600W surge ceiling that's nearly double the AC70's 2,000W. It also buys quiet — 30dB against 45dB, a big enough gap that the DELTA 3 doesn't even cross the threshold the comparison engine uses to flag noise as a concern — and a 10-millisecond UPS switchover against the AC70's 20.
Both units are expandable, so neither locks a buyer out of growing capacity later — that card is a tie here, unlike some of the AC70's other matchups. The real question is whether the AC70's $329 price and lighter 22.5-lb body cover what you actually need, or whether the extra $190 is buying headroom you'll use.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
Capacity
The DELTA 3's $0.51-per-watt-hour cost rating against the AC70's $0.43 means this premium doesn't get paid back — it's a price you keep paying, not a price you recover. Whatever the DELTA 3 wins here, it has to win on capability, not economics.
DELTA 3 costs $519 for 1,024Wh at $0.17 per lifetime kWhAC70 costs $329 for 768Wh at $0.14 per lifetime kWh
Why it mattersBuyers should stop looking for a lifetime-cost justification for the DELTA 3 — there isn't one. The case for it has to be made on what it can physically do that the AC70 can't.
continuous output
A fridge or window AC compressor surging 2-3x its rated draw can hit 2,000-3,000W in that first second. That's inside the DELTA 3's 3,600W ceiling and well past what the AC70's 2,000W surge can absorb. And the DELTA 3 buys that headroom for just 4.5 extra pounds over the AC70 — a far better power-to-weight trade than this class usually offers.
DELTA 3 rated for 1,800W continuous with a 3,600W surge ceilingAC70 rated for 1,000W continuous with a 2,000W surge ceiling
Why it mattersAnyone starting compressor-class appliances gets real, usable headroom from the DELTA 3 without much of a weight penalty for it.
Owners of the DELTA 3 line report fans that stay off entirely under light loads and stay barely audible from three feet even under moderate outputA1. Pair that with a switchover twice as fast as the AC70's, and a fridge cycling or the power blinking at 2 a.m. is both silent and effectively instant on the DELTA 3.
DELTA 3 rated at 30dB under load; AC70 at 45dBDELTA 3 switches over in 10ms during an outage; AC70 in 20ms
Why it mattersCPAP users and light sleepers should weight this pair of specs heavily — it's close to a deciding factor on its own before capacity or price enters the conversation.
Anyone whose real-world draw never exceeds 1,000W continuous is paying $190 for surge headroom, noise performance, and switchover speed they'll never test. That's not a compromise pick — it's the economically correct one for that specific buyer.
DELTA 3 costs $519 against the AC70's $329, a $190 gapAC70 handles every scenario under 1,000W continuous just as reliably as the DELTA 3 does
Why it mattersBuyers should honestly audit their peak load before paying the DELTA 3 premium. Under 1,000W continuous, the $329 AC70 is the smarter purchase, not the lesser one.
The specific dimensions that decide these two units — everything else is a tie.
PowerScore Breakdown
Selected because: DELTA 3's 3,244 against AC70's 2,815 — the smallest power-score gap of any AC70 matchup in this batch, worth explaining why
overall power score
A 429-point gap — the closest the AC70 gets to a DELTA-family unit in this batch — and it's driven by output and surge rather than raw capacity: 1,800W continuous against 1,000W, and a 3,600W surge ceiling against 2,000W.
The AC70 keeps this closer than it managed against the DELTA 3's stablemate simply because both units here are expandable and both carry the same 5-year warranty. The DELTA 3's edge comes from what it can start and how quietly it does it, not from a structural advantage the AC70 lacks entirely.
Your Life, Your Pick
Selected because: DELTA 3 wins Tailgate Party and CPAP Overnight outright and nearly clears Remote Workday, where the AC70 misses badly
Tailgate Party and CPAP Overnight both go to the DELTA 3 outright — 77% and 37% of usable capacity against the AC70's 103% and 49%, meaning the AC70 fails Tailgate Party while the DELTA 3 clears it with room left. Remote Workday is the closest call on the page: the DELTA 3 needs 105% of usable capacity, just 5 points from clearing it, while the AC70 needs 139%, a much wider miss.
Weekend Camping, an 8-Hour Blackout, and Van Life Daily beat both units regardless — the DELTA 3 needs over five times its usable capacity for Van Life Daily alone. Neither is the right tool for that scale of job.
What the Specs Don't Tell You
Selected because: noise, UPS speed, and warranty value all fire and each tells a different part of the capability-vs-price story
Three flags worth reading: the AC70 is the only one loud enough to trigger the noise gotcha at all (45dB against a DELTA 3 that stays under the threshold at 30dB), the DELTA 3 switches over 10 milliseconds faster during an outage, and the warranty years are identical at 5 — but the dollar cost per warranty year splits sharply, $104 for the DELTA 3 against $66 for the AC70, simply because the DELTA 3 costs more to buy.
None of these reverse the price story. They explain what that price is actually buying: quiet, speed, and headroom, not a bigger number on a warranty card.
Lifetime Value
Selected because: the one section where the AC70 wins outright — worth stating plainly since it cuts against the overall verdict
cost / lifetime kWh
This is the section that argues against the DELTA 3, and it's worth stating as plainly as the sections that argue for it: $0.14 per lifetime kWh for the AC70 against $0.17 for the DELTA 3. Both run identical 3,000-cycle ratings, so the DELTA 3's larger battery never gets the chance to dilute its higher $0.51-per-watt-hour cost the way a longer cycle life would.
If lifetime cost per kilowatt-hour is the only column that matters to you, the AC70 wins this page outright. Everything else on it is the DELTA 3 making its case on capability instead.
Growth Path
Selected because: both units are expandable — a genuine tie, unlike most of the AC70's other matchups
Both units accept expansion batteries from their own brands, so neither buyer is locked into their starting capacity — a genuine tie, and the computed recommendation here says as much: pick based on other factors.
That removes expansion from the decision entirely for this pair. Whatever gets picked, it's on the strength of the base unit's output, noise, and switchover speed, not on which one can grow later.
Strengths & trade-offs
EcoFlow DELTA 3
Strengths
- +Larger battery capacity
- +Higher AC output
Trade-offs
- –Substantially more expensive (+$190) than the AC70.
BLUETTI AC70
Strengths
- +Costs $190 less
- +Lighter by 4.5 lb
Trade-offs
- –Weaker inverter (-800W) limits appliance compatibility.
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
Neither unit can fully handle this scenario (needs 2,100Wh). You'd need a higher-capacity station or to cut back on usage.
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
Neither unit
Neither unit can fully handle this scenario (needs 1,645Wh). You'd need a higher-capacity station or to cut back on usage.
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
DELTA 3
Both are massively overpowered for CPAP — the DELTA 3 finishes at 37% used against the AC70's 49%. At a 40W load that reserve is comfort rather than necessity, so if a CPAP is the only thing you plan to run, price and portability should count for more than capacity does.
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
Neither unit
The closest call on the page: the DELTA 3 needs 105% of its usable capacity, just 5 points from clearing it, while the AC70 needs 139%. Neither technically finishes this one, but the DELTA 3 is a near-miss and the AC70 isn't close.
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 3
The DELTA 3 clears this at 77% of usable capacity; the AC70 needs 103% and comes up just short. A real, if narrow, win for the DELTA 3 on a job both units are close to handling.
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
Both fail hard — the DELTA 3 needs over five times its usable capacity and the AC70 needs over seven. This scenario belongs to a bigger class of unit than either of these.
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 3 runs 4.2h vs 3.2h.
$549 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 0–58hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–11.6hHigh-Draw Appliances
These reveal the real limitsscale 0–0.9h¹ 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 15, 2026
Verdict: the DELTA 3, on Power Score margin
This one's a genuine trade, not a blowout. The DELTA 3 beats the AC70 on capacity (1,024Wh against 768Wh), continuous output (1,800W against 1,000W), surge ceiling (3,600W against 2,000W), noise (30dB against 45dB — quiet enough that it doesn't trigger the comparison engine's own noise warning), and UPS switchover (10ms against 20ms). It also wins the Tailgate Party and CPAP Overnight scenarios outright and comes within 5 percentage points of clearing Remote Workday, where the AC70 misses by 39. What it doesn't do is pay for itself: at $0.17 per lifetime kWh against the AC70's $0.14, the $190 premium never comes back. Buy the DELTA 3 for the capability. Buy the AC70 if $329 is the real ceiling or your loads never touch 1,000W.
Editor-assigned confidence, based on cited owner research and spec analysis.
List prices as of July 15, 2026. The links below open EcoFlow's and BLUETTI's current prices.
$549.00 list · direct from EcoFlow
or check the AC70 price$359.00 list
Written by Ian Schneider, Solar & Off-Grid Tester · Station Arena Test Desk · Updated July 15, 2026
Measured Data
Benchmark scores and the full spec record, side by side.
Benchmark scores
Not rated for both units (minimum threshold unmet): RV Living, Home Backup, Food Truck.
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 3 rates 4.3/5 (61st percentile of 24 Everyday-class units), and AC70 rates 4.8/5 (89th percentile of 19 Compact-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.
One of These Doesn't Even Trip the Flag
30dB for the DELTA 3 sits below the threshold the comparison engine uses to flag noise as a concern at all. The AC70's 45dB is the only rating on this page that crosses it.
10ms vs 20ms — a Real Edge, Not a Rounding Error
The DELTA 3 switches over in 10 milliseconds against the AC70's 20. Both are fast enough that most routers and desktops won't fully reset, but the DELTA 3's margin is the safer bet for anything more sensitive.
Same Five Years, Very Different Math
Both carry 5-year warranties, but cost per warranty year splits sharply — $104 for the DELTA 3 against $66 for the AC70 — because the DELTA 3 simply costs more to buy. Years alone don't tell the price story here.
Ownership 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
Both units have similar long-term ownership costs ($0.18/kWh vs $0.16/kWh). The price difference is what you see on the sticker — neither is a hidden bargain or rip-off.
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
X-Stream fast-charging technology and the largest ecosystem in the category — 12 to 15 models across the DELTA and RIVER lines, plus solar panels and smart home panels for buyers who want to expand beyond a single unit.
Worth knowing
The October 2025 DELTA Max 2000 recall (overheating risk) is a different model in the same family line and doesn't affect the DELTA 3, but it's a reasonable thing to know before buying into the brand.
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
Full LFP standardization across a lineup that runs from budget units like the AC70 to flagship models, with cycle ratings from 3,500 up to 6,000-plus depending on the unit.
Worth knowing
Support runs heavily through email with China timezone delays. Buying directly through BLUETTI's own site is the more reliable path to the full warranty terms and a smoother claims process.
Analyst note
EcoFlow moves faster on charging technology and app polish; BLUETTI wins on price-to-capacity ratio across its range. For this specific pair, the practical gap in output, noise, and switchover speed matters more to a purchase decision than either brand's reputation.
Growth path
DELTA 3
EXPANDABLESupports EcoFlow expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 1,024Wh.
Accepts up to 500W of solar. Suitable for a 1-2 panel setup.
Generous port selection supports complex multi-device setups.
Expansion batteries are EcoFlow-specific. You're investing in the EcoFlow ecosystem.
AC70
EXPANDABLESupports BLUETTI expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 768Wh.
Accepts up to 500W of solar. Suitable for a 1-2 panel setup.
Adequate ports for most setups, but heavy users may want a power strip.
Expansion batteries are BLUETTI-specific. You're investing in the BLUETTI ecosystem.
Realistic full solar rechargeat 70% of rated panel output — see methodology
Analyst note
Both expand, so neither locks you out of growth — decide on capacity, price, and the rest, not the expansion checkbox.
What Owners Report
Patterns from published owner reports and long-term reviews — every claim cited to its source below.
EcoFlow DELTA 3
Field coverage of the standard DELTA 3 itself is thin — most published testing covers its Plus, Max, and Ultra siblings — but what exists points the same direction as the spec sheet: at low loads under 200W the fans reportedly stay off entirely, and even under a moderate 500-800W they're barely audible from three feet awayA1. The 10-millisecond UPS switchover tested fast enough that routers don't reset and CPAP therapy doesn't interrupt, though that specific figure comes from a sibling model sharing the same spec rather than the standard DELTA 3 directlyA2 — a strong signal, not yet a guarantee, until more owner reports of this exact model come in.
“At low loads (under 200W) the fans often stay completely off, making the Delta 3 effectively silent; under moderate load (500–800W) the fans are barely audible from three feet away.”
Sources
portablepowernerd.com · thesolarlab.com · outputreport.com
BLUETTI AC70
Next to a unit that costs $190 more, the AC70's pitch is refreshingly simple: it's still small enough to sling into a truck bed or a closet shelf, rated to run a day's worth of devices, and it's widely called a strong budget pick in its own rightB4. It doesn't dawdle on a refill either — Turbo mode has it back to full before the hour is up, and it'll keep pulling power from a wall outlet, a car, or a solar panel while it rechargesB2. Coverage found no issues in testing, and BLUETTI backs it with a 3-year standard warranty that stretches to 5 when bought directB3. The one place it can't match a notably quiet rival is noise: the fan stays quiet at low draw but climbs to an old-laptop hum once real output runs through itB1.
“Under light loads the fan is quiet, but push past heavier output and it ramps up to a noticeable but not obnoxious level — comparable to an old laptop or gaming PC under load.”
Sources
backuppowerhub.com · root-nation.com · phonearena.com · trustedreviews.com · myoutdoorbasecamp.com · thedigitalstory.com · kenrockwell.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
- Fast charging, compact portability, and strong value are the consistent praise; fan noise rises under heavier load but isn't considered intrusive. [AC70 · 2 entries]
- A1
“At low loads (under 200W) the fans often stay completely off, making the Delta 3 effectively silent; under moderate load (500–800W) the fans are barely audible from three feet away.”
portablepowernerd.com — EcoFlow Delta 3 Tested: 2026 Hands-On Review; thesolarlab.com · 2026 · [positive]
- A2
“UPS switchover works as advertised — a power cut results in a ~10ms handoff, fast enough that routers don't reset, fridges don't skip a compressor cycle, and CPAP machines don't interrupt therapy.”
outputreport.com / thesolarlab.com — DELTA 3 line UPS testing (observed on DELTA 3 Plus, which shares the 10ms UPS spec) · 2026 · [positive]
- B1
“Under light loads the fan is quiet, but push past heavier output and it ramps up to a noticeable but not obnoxious level — comparable to an old laptop or gaming PC under load.”
backuppowerhub.com / root-nation.com — BLUETTI AC70 review · 2025-2026 · [mixed]
- B2
“Fast AC charging via Turbo mode refuels it in under an hour, and pass-through charging works smoothly — you can charge via AC, solar, or car while simultaneously powering devices.”
phonearena.com / trustedreviews.com — AC70 review · 2025-2026 · [positive]
- B3
“No issues reported during testing; backed by a 3-year standard warranty plus an automatic 2-year extension when purchased from BLUETTI's official site, for up to 5 years total.”
backuppowerhub.com / myoutdoorbasecamp.com — AC70 review · 2025-2026 · [positive]
- B4
“A compact ~22-lb unit — small enough to carry around but big enough to power devices for a day or more; widely regarded as a strong budget power station.”
thedigitalstory.com / kenrockwell.com — AC70 review · 2024-2026 · [positive]
Research compiled July 15, 2026.
Who Should Buy Which
Buy the DELTA 3 if you…
- →Anyone starting compressor-class appliances — fridges, window AC units — that need the 3,600W surge ceiling the AC70 can't offer
- →CPAP users and light sleepers who want a unit quiet enough not to trip the comparison engine's own noise flag
- →Buyers protecting sensitive electronics who want the fastest available switchover, 10ms against the AC70's 20ms
Buy the AC70 if you…
- →Buyers whose real loads never exceed 1,000W continuous — the DELTA 3's extra headroom would go unused
- →Anyone with a hard $329 ceiling who can't justify the $190 premium
- →Buyers who want the 4.5-lb-lighter unit and don't need the DELTA 3's quieter fan or faster switchover
If neither fits
Anyone planning a real weekend campsite trip, an 8-hour blackout, or a van-life daily load. Both fail all three badly — even the DELTA 3 needs over five times its usable capacity for Van Life Daily. Look at a larger expandable unit instead.
The Bottom Line
The DELTA 3 costs $190 more and never earns that back in lifetime cost, but it doubles the AC70's surge ceiling, stays quiet enough to dodge the noise flag entirely, and switches over twice as fast during an outage — a real capability gap, not a markup.
Buy the AC70 if $329 is the real ceiling or your loads stay under 1,000W continuous — it's the economically correct choice there, not a compromise. Otherwise, the DELTA 3's extra headroom is worth the price.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Is the EcoFlow DELTA 3 or BLUETTI AC70 the better value?
The AC70 is the better dollar-for-dollar value if your loads never exceed 1,000W continuous — it's $190 cheaper and costs less per lifetime kilowatt-hour. The DELTA 3 is worth the premium only if you actually need its higher output, surge ceiling, or quieter operation.
Which one is quieter?
The DELTA 3, by a wide margin — 30dB against the AC70's 45dB. The gap is large enough that the DELTA 3 doesn't even trigger the noise warning that fires for the AC70 on this page.
Which switches over faster during a power outage?
The DELTA 3, at a rated 10 milliseconds against the AC70's 20. Both are fast enough that most electronics won't fully reset, but the DELTA 3's margin is the more conservative choice for sensitive equipment.
Can both of these be expanded with extra batteries later?
Yes. Both the DELTA 3 and the AC70 accept expansion batteries from their own brands, so neither purchase locks you into its starting capacity. This is one of the few specs on this page where the two are genuinely tied.
Is the DELTA 3 cheaper to own over its lifetime despite the higher price?
No — this is the one case where it isn't. The DELTA 3 costs $0.17 per lifetime kilowatt-hour against the AC70's $0.14, because both share the same 3,000-cycle rating and the DELTA 3's higher per-watt-hour cost never gets diluted by extra cycle life.
Where to buy
EcoFlow DELTA 3Pick
$549.00
$549.00 list · direct from EcoFlow
BLUETTI AC70
$359.00
$359.00 list · direct from BLUETTI
Prices may vary by retailer and are subject to change.