Head-to-head test
EcoFlow DELTA 3 vs Anker SOLIX C800 Plus
The DELTA 3 out-engineers the C800 Plus on every inverter-quality signal at once — double the surge headroom, half the switchover time, 15 fewer decibels — and somehow lands at the exact same cost per lifetime kilowatt-hour, so the real decision is whether $120 and 3 extra pounds buys capability you'll use.
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
Anker
SOLIX C800 Plus
2,199Power Score · Appliance Class
$649.00 list · direct from Anker
Spec deltas
The DELTA 3 holds 1,024Wh behind an 1,800W inverter with a 3,600W surge ceiling, for $519. The SOLIX C800 Plus holds 768Wh behind a 1,200W inverter with a 1,600W surge ceiling, for $399 — $120 less, and a noticeably smaller ceiling on every axis that isn't price.
What stands out isn't just the bigger tank. The DELTA 3's surge rating is exactly double its continuous output; the C800 Plus's is a third above its own. The DELTA 3 also switches over from grid to battery twice as fast, and runs 15dB quieter under comparable operation. Those are three separate signals of inverter quality pointing the same direction.
And yet cost per lifetime kilowatt-hour comes out identical between them — a genuine tie on the metric that usually settles these comparisons. The $120 gap has to be justified by capability, not by long-run efficiency, because on that specific number there's nothing to argue about.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
continuous output
The same pattern repeats on switchover speed (10ms against 20ms) and noise (30dB against 45dB): more surge margin, faster failover, and quieter operation, all at once. Normally you'd expect a bigger reserve to come from a harder-working, louder unit — here it doesn't.
EcoFlow DELTA 3: 3,600W surge against an 1,800W continuous rating (2x headroom)SOLIX C800 Plus: 1,600W surge against a 1,200W continuous rating (1.3x headroom)
Why it mattersIf a real compressor load or a sensitive piece of equipment is in the mix, the DELTA 3's inverter has margin on every axis that matters for that job; the C800 Plus is the one running closer to its limits.
The tie only holds in per-kWh terms, though. In absolute dollars, the DELTA 3 runs $24 more per warranty-year ($104 against $80) — the efficiency is identical, but the total spend isn't. A tie on the ratio doesn't mean a tie on the bill.
Cost per lifetime kilowatt-hour: $.17 for the DELTA 3, $.17 for the SOLIX C800 Plus — identicalPrice: $519 for the DELTA 3, $399 for the SOLIX C800 Plus — a $120 gap for 256 more watt-hours
Why it mattersAnyone deciding purely on long-run efficiency should treat this as a wash and buy on capability instead; anyone on a fixed annual budget should still notice the C800 Plus is the cheaper absolute number.
weight
That premium buys function, not just numbers: Tailgate Party needs 670Wh, and the DELTA 3 covers it at 77% of its tank while the C800 Plus would need to exceed its entire capacity to finish the same afternoon. The extra weight and price are the cost of a load the cheaper unit genuinely can't carry.
DELTA 3: 27 lbs, $519SOLIX C800 Plus: 24 lbs, $399
Why it mattersSkip the DELTA 3 only if your real loads stay well under the C800 Plus's ceiling — otherwise the extra 3 lbs and $120 are buying a job the lighter unit can't do at all.
The specific dimensions that decide these two units — everything else is a tie.
What the Specs Don't Tell You
Selected because: Surge ratio, noise, and UPS speed are three separate inverter-quality signals all pointing toward the DELTA 3.
Three separate numbers point the same direction here: the DELTA 3's surge ceiling is double its continuous rating against the C800 Plus's 1.3x, its UPS switchover is half as long (10ms against 20ms), and it runs 15dB quieter. Individually each is a modest edge; together they describe an inverter with real reserve, not one working near its limit.
None of that is free — see the weight and price section below — but it's not marketing either. A unit that surges to double its rating, switches over faster, and runs quieter doing it is a better-built inverter on every axis that's actually measurable.
Lifetime Value
Selected because: A genuine tie on cost per lifetime kWh, masking a real gap in absolute yearly cost — worth untangling honestly.
cost / lifetime kWh
Here's the honest surprise: run the numbers over a full service life and the DELTA 3 and the C800 Plus land at exactly the same cost per lifetime kilowatt-hour, $.17 each. Spend the $120 gap on the extra capacity and inverter headroom, not on an efficiency argument — there isn't one to have.
The tie breaks the moment you look at absolute dollars instead of the ratio: $104 per warranty-year for the DELTA 3 against $80 for the C800 Plus. Equally efficient, unequally priced — the DELTA 3's bigger tank still costs more to carry each year, even though it costs the same per unit of energy delivered.
Your Life, Your Pick
Selected because: Tailgate Party is a functional pass/fail split for the DELTA 3, the clearest evidence the capacity gap is real.
Tailgate Party needs 670Wh, and it's the clearest proof the capacity gap is functional, not cosmetic: the DELTA 3 covers it at 77% of its tank, while the C800 Plus would need to exceed its own ceiling to finish the same load. One unit does the job; the other can't.
CPAP Overnight is a job both handle, but the DELTA 3 does it using notably less of its tank than the C800 Plus needs for the same overnight draw — real margin for a second night if the outage runs long. Weekend Camping, the 8-Hour Blackout, Remote Workday, and Van Life Daily outsize both units regardless of choice.
Growth Path
Selected because: The DELTA 3's expansion path is the structural advantage that compounds if needs change later.
solar input
The DELTA 3 accepts EcoFlow's expansion batteries; the C800 Plus is a closed system for as long as you own it. That's not urgent if 768Wh is already your ceiling — it becomes the whole decision the first time it isn't.
Choosing the C800 Plus is a bet that your needs are fixed today. The DELTA 3 buys the same starting capacity plus the option to grow later without a second full purchase, which is worth something even to buyers who never end up using it.
Portability & Form Factor
Selected because: The honest catch on our own pick — 3 extra pounds and $120 don't disappear just because the specs favor it elsewhere.
weight
Fair is fair: the DELTA 3 is the heavier unit by 3 lbs and the pricier one by $120, and neither of those disappears because the inverter specs favor it. If you're carrying it alone and your loads genuinely stay light, that's a real cost, not a footnote.
But weight and price are the only columns the C800 Plus wins outright. Everywhere function is actually tested — surge headroom, switchover speed, sustained noise, real loads like Tailgate Party — the extra 3 lbs is buying something, not just adding to the carry.
Strengths & trade-offs
EcoFlow DELTA 3
Strengths
- +Costs $100 less
- +Larger battery capacity
- +Higher AC output
- +Faster solar charging
Trade-offs
- –No major technical downsides compared to rival.
Anker SOLIX C800 Plus
Strengths
- +Lighter by 3 lb
Trade-offs
- –Weaker inverter (-600W) limits appliance compatibility.
- –Sealed capacity — the DELTA 3 can add batteries to grow past 768Wh; 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
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 SOLIX C800 Plus'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
Neither unit can fully handle this scenario (needs 910Wh). You'd need a higher-capacity station or to cut back on usage.
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 SOLIX C800 Plus runs out of juice. It only has 653Wh usable, but this scenario needs 670Wh. The DELTA 3 covers it and still has 13h of phone charging left over.
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 can fully handle this scenario (needs 4,685Wh). You'd need a higher-capacity station or to cut back on usage.
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 14, 2026
Verdict: the DELTA 3
The DELTA 3 wins almost everywhere that isn't price or weight: nearly double the surge ceiling relative to its rated output, half the UPS switchover time, a 15dB-quieter operating spec, a genuine expansion path, and the only unit of the two that actually clears a real tailgate load. Its one honest tie is cost per lifetime kilowatt-hour, where both units land at exactly the same figure — a coincidence worth naming rather than hiding. Pay the $120 and carry the extra 3 lbs unless your loads are genuinely light and your budget is the deciding factor.
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 Anker's current prices.
$549.00 list · direct from EcoFlow
or check the SOLIX C800 Plus price$649.00 list
Written by Ian Schneider, Solar & Off-Grid 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): 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 SOLIX C800 Plus rates 4.0/5 (39th 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.
SOLIX C800 Plus: 45dB Under Load
45dB is about as loud as a running refrigerator. If you're running a CPAP or sleeping near this unit, the fan noise may be noticeable. Most people find anything above 45dB disruptive for sleep.
SOLIX C800 Plus: Fixed Capacity
The SOLIX C800 Plus is sealed at 768Wh — fine if that covers you, but it's the ceiling. The DELTA 3 starts at 1,024Wh and can add expansion batteries, so if your needs may climb toward partial-home backup, it has room to grow the SOLIX C800 Plus doesn't.
Double Headroom vs a Third More
The DELTA 3 surges to 3,600W against an 1,800W continuous rating — exactly double. The SOLIX C800 Plus surges to 1,600W against a 1,200W rating, about a third above its own ceiling. For a compressor startup or any brief high-draw spike, that's the difference between real reserve and running close to the edge.
Twice the Switchover Margin
The DELTA 3 hands off from grid to battery in 10ms; the SOLIX C800 Plus takes 20ms. Both are fast enough that most electronics won't notice, but the DELTA 3's extra margin is the safer bet for genuinely sensitive gear like networking equipment or medical devices.
Warranty Value Comparison
The DELTA 3 gives you 9.1 years of warranty per $1,000 spent, vs the SOLIX C800 Plus's 7.7 years. That's 1.2× more coverage per dollar. An underrated factor if you're keeping this unit for years.
Full record above — the Test Desk pick is the DELTA 3.
Check DELTA 3 price →or check the SOLIX C800 Plus 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 DELTA 3 wins on both sticker price and long-term value. At $0.18/kWh over its lifetime, it's meaningfully cheaper to own. Clear value winner.
Delivers each lifetime kWh for $0.10 less — check the DELTA 3 price →
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.
Anker
Ecosystem
7-8 SOLIX portable power stations across C-series (compact) and F-series (flagship), plus the X1 home energy system
Support
US-based support. Historically known for incredible no-hassle replacements, but recent reports describe AI-driven support agents giving generic responses and complex return logistics for heavy units (hazmat shipping). The Anker brand reputation is still strong, but SOLIX-specific support quality is trending down.
Community
Moderate — active Reddit (r/Anker, r/AnkerSOLIXCommunity) and growing. Benefits from Anker's massive consumer electronics brand awareness.
App experience
Rated 4.5/5 iOS (~1,100 ratings) · 4.3/5 Android
Unique strength
Parent brand trust from Anker's consumer electronics dominance. InfiniPower technology for long cycle life. Strong $/Wh value in the mid-size and larger units — the S2000, F2600 and C1000 are among the better buys per watt-hour in the catalog.
Worth knowing
Support quality appears to be declining from its historically excellent level. Firmware updates have removed features without warning. Expansion ecosystem is smaller than EcoFlow's.
Analyst note
EcoFlow positions itself as a mid-to-premium brand with stronger support infrastructure, while Anker competes on value. The question is whether the EcoFlow ecosystem and support premium is worth it for your use case.
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.
SOLIX C800 Plus
FIXED CAPACITYFixed at 768Wh, with no expansion — so size it for your needs up front rather than planning to add capacity later.
Accepts up to 300W of solar. Limited to a single portable panel.
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 SOLIX C800 Plus is sealed at 768Wh, which is fine if that covers you. The DELTA 3 starts at 1,024Wh and can grow beyond it with EcoFlow expansion batteries — real headroom the SOLIX C800 Plus 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 3
Field data on the standard DELTA 3 is genuinely thin — this is a newer unit, and most published testing covers its larger Plus, Max, and Ultra siblings instead. What coverage exists is consistent, though: at low loads under roughly 200W the fans reportedly stay off entirely, and only become barely audible from a few feet away once load climbs into the 500-800W rangeA1.
UPS switchover testing found the handoff fast enough that routers didn't reset and CPAP therapy wasn't interrupted during a simulated outageA2 — encouraging, though that specific test was observed on a closely related sibling model sharing the same switchover spec, not the standard DELTA 3 itself. Treat this ledger as preliminary rather than exhaustive.
“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
Anker SOLIX C800 Plus
Two small but recurring design gripes surface in C800 Plus coverage, both cosmetic rather than functional: the signature light-pole feature strikes some reviewers as over the top and unnecessaryB2, and there's nowhere built in to store cables when the unit isn't in useB3 — a minor annoyance next to the DELTA 3's more focused engineering story above.
On the positive side, the companion app makes firmware updates simple to install, delivering performance improvements and bug fixes without extra hassleB15 — a genuine convenience regardless of which unit you end up buying.
“The pole light felt is a little over the top and unnecessary.”
Sources
dustinabbott.net
Sources & Research Notes
Every owner claim in this report is traceable to a published source. The bracketed references above resolve here.
Recurring owner themes
- Fan noise is consistently reported as noticeable during fast AC charging or high sustained wattage, though most reviewers call it 'manageable' rather than a dealbreaker. [SOLIX C800 Plus · 2 entries]
- The companion app is repeatedly praised for remote monitoring/control and firmware delivery, with no reviewers reporting connectivity or crash complaints. [SOLIX C800 Plus · 3 entries]
- 768Wh capacity is flagged by multiple reviewers as the unit's main limitation for heavy appliances and against same-price competitors, even though real-world light loads (fridge, gadgets) performed well. [SOLIX C800 Plus · 4 entries]
- The signature 'Plus' camping-light pole/torches are polarizing: some reviewers call the feature genuinely useful and a lantern-replacement, others call it an unnecessary gimmick that sacrifices the C800's cable-storage cubby. [SOLIX C800 Plus · 3 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]
- B2
“The pole light felt is a little over the top and unnecessary.”
How-To Geek — 'Anker Solix C800 Plus Review: A Power Station Prepared to Illuminate Nighttime' · 2024-03 · [mixed]
- B3
“As it is, there's nowhere to keep the cords when not using them.”
How-To Geek — 'Anker Solix C800 Plus Review: A Power Station Prepared to Illuminate Nighttime' · 2024-03 · [negative]
- B15
“Through the app, you can easily install firmware updates that may include performance enhancements, bug fixes, or new functionalities.”
Greener Ideal — 'Anker SOLIX C800 Plus Portable Power Station Review' · 2024-08 · [positive]
Research compiled July 14, 2026.
Who Should Buy Which
Buy the DELTA 3 if you…
- →You need real surge headroom or fast switchover for a compressor load or sensitive equipment, and you want the option to expand capacity later.
- →A loaded tailgate, a longer camping day, or any load near 670Wh is a realistic scenario — the DELTA 3 is the only one of the two that actually finishes it.
Buy the SOLIX C800 Plus if you…
- →Your loads are light and steady, weight and price are real constraints, and 768Wh with no growth path is a limit you're genuinely comfortable with.
- →You're optimizing for the lowest absolute yearly cost rather than inverter headroom or future flexibility.
If neither fits
If your real need is a two-night camping trip or an 8-hour multi-appliance blackout, both fail outright — the engine's own scenario math puts both units well past 100% of what's needed, some scenarios past 500%. Look at a 1,500Wh-plus expandable unit instead of choosing between these two.
The Bottom Line
The DELTA 3 wins on nearly every axis that isn't price or weight: double the surge headroom relative to its rating, half the switchover time, a markedly quieter operating spec, and the only unit here that actually clears a real tailgate load. Its one honest tie is cost per lifetime kilowatt-hour, identical to the C800 Plus down to the cent.
Pay the $120 and carry the extra 3 lbs if there's any real load or sensitive equipment in the picture. Keep the C800 Plus if your draw stays light and the lower absolute yearly cost is what actually matters to you.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Is the EcoFlow DELTA 3 worth $120 more than the Anker SOLIX C800 Plus?
For most buyers, yes. The premium buys double the surge headroom relative to rated output, half the UPS switchover time, a 15dB-quieter operating spec, and a real expansion path. It's a weaker case only if your loads are consistently light and budget is the deciding factor.
Which one is actually cheaper to own?
It's a genuine tie on cost per lifetime kilowatt-hour — both land at $.17. In absolute dollars per warranty-year, though, the SOLIX C800 Plus is cheaper ($80 against $104), since its lower price outweighs the DELTA 3's larger tank on that specific measure.
Which one handles a compressor load or sensitive equipment better?
The DELTA 3. Its surge ceiling is double its continuous rating, against roughly a third above rated output for the C800 Plus, and its UPS switchover is twice as fast. All three are signals of a more capable inverter, not just a bigger battery.
Can the SOLIX C800 Plus be expanded later if my needs grow?
No. It's a closed system for the life of the unit. The DELTA 3 accepts EcoFlow expansion batteries, letting you add capacity without buying an entirely new unit.
Which one is quieter?
The DELTA 3, by a wide margin — 30dB against the C800 Plus's 45dB. Field testing on the standard DELTA 3 is still limited, but early reports describe it staying off entirely under light loads and only becoming barely audible at moderate draw.
Where to buy
EcoFlow DELTA 3Pick
$549.00
$549.00 list · direct from EcoFlow
Anker SOLIX C800 Plus
$649.00
$649.00 list · direct from Anker
Prices may vary by retailer and are subject to change.