Head-to-head test
EcoFlow DELTA 3 1000 Air vs Anker SOLIX C800 Plus
The Anker costs $90 more and holds less battery than the cheaper EcoFlow — its premium buys output headroom and warranty years, not tank size.
Written by Ian SchneiderUpdated
Solar & Off-Grid Tester, Station Arena Test Desk
EcoFlow
DELTA 3 1000 Air
3,014Power Score · Appliance Class
$309.00 list · direct from EcoFlow
Anker
SOLIX C800 Plus
2,199Power Score · Appliance Class
$649.00 list · direct from Anker
Spec deltas
The Anker SOLIX C800 Plus costs $90 more than the DELTA 3 1000 Air and holds 192Wh less battery, 768Wh against 960Wh. That's the opposite of the usual premium-brand trade, and it's worth sitting with before anything else on this page.
What the extra money does buy is real: 1,200W of continuous output against the 1000 Air's 500W, a 100W USB-C port against 18W, and a 5-year warranty against 2. It also buys a louder fan under load, 45dB against 39dB, and reviewers describe it as genuinely noticeable in a quiet room during fast charging.
So this is capacity against capability. The 1000 Air is the cheaper, bigger-tank, quieter unit for stationary and light loads. The Anker is the unit built for real output and a longer warranty, on a smaller battery.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
Capacity
That gap isn't just a spec-sheet oddity — it's the exact thing reviewers of the Anker itself have already flagged, noting the 768Wh capacity sits awkwardly against bigger EcoFlow units at comparable pricesB12. The Anker's premium is paying for its inverter and warranty, not its tank, and that's a trade only worth making if you actually need the inverter.
DELTA 3 1000 Air: 960Wh capacity, $309SOLIX C800 Plus: 768Wh capacity, $399The 768Wh capacity is called an 'awkward middle ground' by one reviewer, well short of what EcoFlow's own bigger units offer at similar pricesB12
Why it mattersIf nothing you own draws over 500W, the smaller, pricier battery has nothing extra to offer — the 1000 Air's bigger tank at a lower price wins outright.
The two facts compound rather than cancel: the 1000 Air's low output ceiling means it physically can't reach the draw levels where the Anker's fan gets loud, so its quieter spec understates the real-world gap for anyone running it near capacity.
SOLIX C800 Plus: 45dB noise under load; reviewers describe the fan as noticeable during fast charging or sustained heavier drawB1B11DELTA 3 1000 Air: 39dB noise, a 6dB quieter specThe 1000 Air's 500W ceiling means it never reaches the higher draw levels that trigger the Anker's loudest fan behavior
Why it mattersFor a CPAP two feet from your head or a unit sharing a quiet room, the noise gap matters more than the port or output numbers on this page.
That's the honest case for the pricier, smaller-battery unit — it's not selling more energy, it's selling a longer promise and more control over the unit you already own. For a buyer optimizing for years of ownership rather than raw watt-hours, that math changes the calculus.
DELTA 3 1000 Air warranty: 2 years at $155/yearSOLIX C800 Plus warranty: 5 years at $80/yearThe SOLIX C800 Plus's companion app is repeatedly praised for remote monitoring and firmware delivery, with no connectivity complaints on recordB7B8B15
Why it mattersBuyers who keep gear for years, or who want app-based control they can rely on, should weigh the warranty and software against the capacity gap, not just the price tag.
The specific dimensions that decide these two units — everything else is a tie.
Lifetime Value
Selected because: Core split: 1000 Air cheaper per kWh, Anker far cheaper per warranty year.
cost / lifetime kWh
The 1000 Air is the cheaper unit to run: $0.11 per lifetime kilowatt-hour against the Anker's $0.17, on batteries rated for the same 3,000 cycles. More capacity for a lower price at checkout is a real, uncomplicated edge if your loads stay under its 500W ceiling.
The warranty line flips the ranking. Anker's 5-year term works out to roughly $80 a year; EcoFlow's 2-year term works out to about $155. The 1000 Air wins on energy delivered per dollar; the Anker wins on years protected per dollar.
Your Life, Your Pick
Selected because: Anker's smaller tank fails the tailgate load the 1000 Air clears; both weak on the bigger jobs.
Four of six scenarios come back neither, and the Anker trails the 1000 Air in every one — Weekend Camping, the 8-Hour Blackout, Remote Workday, and Van Life Daily all ask for multiples of what either battery holds, and the Anker's smaller tank keeps it further from the target each time.
Tailgate Party is the cleanest split: the 1000 Air covers a 670Wh afternoon with room left over, while the Anker needs just past what it holds usable and comes up short. CPAP Overnight both clear comfortably, though the 1000 Air again finishes with more capacity in reserve.
What the Specs Don't Tell You
Selected because: Five flags fire here, more than any other pairing — noise, usbc, surgeRatio, ups, and warranty.
Five flags fire on this pairing, more than any other matchup with this product. Two favor the Anker outright: its 100W USB-C port against the 1000 Air's 18W, and its 5-year warranty against 2. One flags the Anker's real weakness, a louder 45dB fan under load against the 1000 Air's 39dB.
The last two are worth surfacing precisely because they're easy to miss: the 1000 Air actually switches over faster on outage (10ms against 20ms), and proportionally has more surge headroom over its own baseline output, even though the Anker's surge is higher in absolute watts. The cheaper unit isn't behind on every technical spec here.
Brand Trust
Selected because: Cross-brand pair with a real gap in ecosystem depth and a declining-but-still-strong Anker support reputation.
EcoFlow's edge is scale: a deeper lineup, DELTA Pro, DELTA 3, and RIVER 3, plus a subreddit near 31K members. Anker's edge is what it imports from decades as a consumer electronics brand, plus genuinely strong value in its current SOLIX Gen 2 lineup.
Support quality is close to a wash between them right now. Anker's has historically been excellent but is trending down, with reports of generic AI-driven responses and complicated return logistics for heavier units. EcoFlow's is polarized in the same direction. Neither brand's support reputation should be the deciding factor here.
Strengths & trade-offs
EcoFlow DELTA 3 1000 Air
Strengths
- +Costs $340 less
- +Lighter by 2 lb
- +Larger battery capacity
- +Faster solar charging
Trade-offs
- –Weaker inverter (-700W) limits appliance compatibility.
Anker SOLIX C800 Plus
Strengths
- +Higher AC output
- +Longer warranty
Trade-offs
- –Substantially more expensive (+$340) than the DELTA 3 1000 Air.
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
A two-night trip needs about 2.6 times what the 1000 Air holds usable and 3.2 times the Anker's. Neither is close, and the Anker's smaller tank leaves it further out.
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
An eight-hour blackout needs roughly 2 times the 1000 Air's usable capacity and 2.5 times the Anker's. Both stall well before morning on a single charge.
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 1000 Air
Both handle a CPAP night comfortably, the 1000 Air uses 39% of its battery, the Anker 49%. Either works, but the 1000 Air is also the quieter unit on paper, 39dB against 45dB, worth weighing for bedside use.
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
A full off-grid workday needs about 1.1 times the 1000 Air's usable capacity and 1.4 times the Anker's. Both fall short, but the 1000 Air is close enough that a short top-up covers the gap.
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 1000 Air
The 1000 Air covers a 670Wh tailgate afternoon using 82% of its battery. The Anker needs just past what it holds usable and comes up short, capacity, not the stronger inverter, decides this one.
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
Daily van-life draw needs about 5.7 times what the 1000 Air holds usable and 7.2 times the Anker's. Neither is viable alone, this is a job for a dedicated 2kWh-plus 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 3 1000 Air runs 4h vs 3.2h.
$309 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 0–54.4hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–10.9hHigh-Draw Appliances
These reveal the real limitsscale 0–0.7h¹ 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
July 14, 2026
Verdict: the DELTA 3 1000 Air
Take the DELTA 3 1000 Air for light, stationary use. It's cheaper to own per lifetime kilowatt-hour ($0.11 against $0.17), holds 192Wh more capacity, is the quieter unit on paper, and is the only one of the two that finishes a 670Wh tailgate load on its own. The SOLIX C800 Plus answers with 1,200W continuous output against 500W, a 100W USB-C port against 18W, and a warranty that's both longer and cheaper to insure per year, about $80 against $155. If your loads are light and stay that way, the 1000 Air is the smarter buy. If you need real continuous output or a laptop-speed port, the Anker's $90 premium is buying something real, not just a badge.
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.
$309.00 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
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 1000 Air rates 5.0/5 (99th percentile of 19 Compact-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.
45 Decibels Under Load
The C800 Plus is rated at 45dB under load, 6dB louder than the DELTA 3 1000 Air's 39dB. In a quiet room that gap is audible, especially during fast charging or sustained heavier draw. If it's living somewhere quiet, factor the fan in before you buy.
18 Watts on the Cheaper Unit, 100 on the Pricier One
The 1000 Air's USB-C port caps at 18W, phone-charging territory. The C800 Plus's 100W port charges a modern laptop at full speed off a single cable. If a laptop is part of the daily plug-in list, this is the C800 Plus's clearest win.
The Cheaper Unit Has the Bigger Surge Cushion
The 1000 Air's inverter can surge to about 2 times its continuous rating; the C800 Plus surges to roughly 1.3 times its own. In absolute watts the Anker still surges higher, but proportionally the 1000 Air has more headroom over its own baseline, a small point in favor of the less expensive unit.
10 Milliseconds Against 20
The 1000 Air's line-interactive switchover, 10ms, is faster than the C800 Plus's standby switchover at 20ms. Both are quick enough that most electronics won't notice, but the faster spec again belongs to the cheaper unit.
Two Years Against Five
The C800 Plus carries a 5-year warranty against the 1000 Air's 2. Spread over the purchase price, that's roughly $80 a year of coverage for the Anker against $155 for the EcoFlow, making the pricier unit meaningfully cheaper to insure over time.
Full record above — the Test Desk pick is the DELTA 3 1000 Air.
Check DELTA 3 1000 Air 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 1000 Air wins on both sticker price and long-term value. At $0.11/kWh over its lifetime, it's meaningfully cheaper to own. Clear value winner.
Delivers each lifetime kWh for $0.17 less — check the DELTA 3 1000 Air price →
Brand trust
EcoFlow
Ecosystem
Twelve to fifteen models deep, DELTA Pro, DELTA 3, and RIVER 3, plus solar panels and smart home panels, more roads to walk if you outgrow this exact discontinued unit.
Support
Phone, email, and chat support that reads as inconsistent, plenty of smooth prepaid-label replacements, but also reports of long waits and refurbished swaps on new claims. Buying through Costco or Amazon tends to produce a better outcome.
Community
The largest community here, a subreddit near 31K members plus active Facebook groups.
App experience
Rated 4.6/5 iOS (~8,400 ratings) · 4.2/5 Android (~17,000 ratings)
Unique strength
The fastest charging technology in the category and the deepest lineup to eventually move into.
Worth knowing
A 2025 recall on an unrelated DELTA model over overheating, and a paused attempt at app subscription fees, are worth knowing before buying into the brand.
Anker
Ecosystem
A tighter lineup than EcoFlow's, 7 to 8 SOLIX stations across compact C-series and flagship F-series units, plus the X1 home system.
Support
Historically excellent, and the Anker name still carries that reputation, but recent reports describe generic AI-driven responses and complicated return logistics for heavier units that need hazmat shipping.
Community
Moderate and growing, active on r/Anker and r/AnkerSOLIXCommunity, boosted by Anker's broader name recognition in consumer electronics.
App experience
Rated 4.5/5 iOS (~1,100 ratings) · 4.3/5 Android
Unique strength
Parent-brand trust from Anker's electronics business, InfiniPower technology aimed at long cycle life, and some of the best dollar-per-watt-hour value in its Gen 2 lineup.
Worth knowing
Support quality is trending down from its historically strong level, and firmware updates have reportedly removed features without warning. Its expansion ecosystem is smaller than EcoFlow's.
Analyst note
EcoFlow's edge is scale, more models, a bigger community, faster charging tech. Anker's edge is the trust it imports from decades as a consumer electronics brand, plus genuinely strong value in its newest lineup. Support quality is close to a wash right now between them.
Growth path
DELTA 3 1000 Air
FIXED CAPACITYFixed at 960Wh, with no expansion — so size it for your needs up front rather than planning to add capacity later.
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.
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
Neither expands, and that's no knock on either — each is a complete unit at a fixed size. Buy the capacity that covers your needs now (the DELTA 3 1000 Air gives you the larger ceiling); you can't add to either later.
What Owners Report
Patterns from published owner reports and long-term reviews — every claim cited to its source below.
EcoFlow DELTA 3 1000 Air
Coverage consistently describes the 1000 Air as a minimalist, focused unit: 960Wh of LiFePO4, a 500W inverter, 22 pounds, and fewer ports and features than most units its sizeA1. That focus doubles as its job description, a power-protection device built to keep a computer, monitor, and router alive through an outage on a 10ms switchoverA2.
The same focus is the limitation: at 500W continuous, it won't run a space heater or a hair dryer, worth knowing before comparing it against a unit with a bigger inverterA3. It's also no longer for sale, EcoFlow has discontinued it in favor of the standard DELTA 3A4.
“A 960Wh LiFePO4 unit with a 500W inverter (800W X-Boost) weighing only 22 lbs — a focused, minimalist design with fewer ports and features.”
Sources
thesolarlab.com · batteryskills.com · backuppowerhub.com · matanich.com
Anker SOLIX C800 Plus
The most consistent complaint in the record is fan noise. Reviewers flag it as noticeable during fast charging or sustained heavier draw, one describing it as unavoidable and quite present in a quiet house once draw climbed past roughly 1,000WB1, another calling it manageable at arm's lengthB11. Reviewers are also split on the signature camping-light pole, some call it a genuine lantern replacementB14, others call it unnecessary and note it displaced the cable-storage cubby the plain C800 hadB2B3.
On the number that matters most, capacity, reviewers are candid: one calls the 768Wh capacity an awkward middle ground, meaningfully less than what EcoFlow's own bigger DELTA units offer at a similar priceB12. What earns consistent praise is the app, remote monitoring, firmware delivery, and no reported crashes or connectivity issues across multiple reviewersB7B8B15.
“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
- A focused home-office UPS unit — LFP, 10ms UPS, quiet and light — but low 500W output; now discontinued in favor of the DELTA 3. [DELTA 3 1000 Air · 3 entries]
- 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
“A 960Wh LiFePO4 unit with a 500W inverter (800W X-Boost) weighing only 22 lbs — a focused, minimalist design with fewer ports and features.”
thesolarlab.com / batteryskills.com — DELTA 3 1000 Air review · 2026 · [mixed]
- A2
“Built as a power-protection device with a 10ms UPS switchover to keep a computer, monitor, and router running through outages.”
backuppowerhub.com — DELTA 3 1000 Air review · 2026 · [positive]
- A3
“With only 500W continuous output, it won't run a space heater or hair dryer — it's built for low-to-moderate draw devices.”
backuppowerhub.com / matanich.com — DELTA 3 1000 Air review · 2026 · [mixed]
- A4
“EcoFlow no longer sells the DELTA 3 1000 Air; the closest successor is the standard DELTA 3 (1,024Wh LFP, 1,800W output, ~$549).”
backuppowerhub.com — DELTA 3 line · 2026 · [mixed]
- B1
“Once the temperature rose above 80F with a 1,030 average wattage, the fan noise was unavoidable and quite present in a quiet house.”
How-To Geek — 'Anker Solix C800 Plus Review: A Power Station Prepared to Illuminate Nighttime' · 2024-03 · [negative]
- 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]
- B7
“My other power stations do not have a companion phone app. But after the first trip, I saw how this feature would come in handy.”
The Gadgeteer — 'Anker SOLIX C800 Plus power station review' · 2024-04 · [positive]
- B8
“You should always charge at a slower rate if possible though, as it helps to preserve the battery life.”
MakeUseOf — 'Anker Solix C800 Plus Review: The Ultimate Emergency and Camping Companion' · 2024-05 · [mixed]
- B11
“The fan does ramp up during fast charging, but the noise is manageable at roughly arm's length.”
The Power Pick — 'Anker SOLIX C800 Plus Review: Camping Lights Meet Serious Power' · 2026-02 · [mixed]
- B12
“The 768Wh capacity sits in an awkward middle ground. It is significantly less than the 1,024Wh offered by the EcoFlow DELTA 3 Plus at the same $649 price.”
The Power Pick — 'Anker SOLIX C800 Plus Review: Camping Lights Meet Serious Power' · 2026-02 · [negative]
- B14
“We stopped packing separate lanterns after the first week, streamlining our camping setup noticeably.”
BackupPowerHub — 'Anker SOLIX C800 Plus Review: Best Mid-Range with Camping Lights' (45-day, 8-trip field test) · 2026 (article ~1 week old at time of research) · [positive]
- 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 1000 Air if you…
- →Your loads are genuinely light and stationary, a router, a laptop, a CPAP, a monitor, and you want the lower cost per lifetime kilowatt-hour, $0.11 against the Anker's $0.17.
- →You want the quieter unit for a bedroom or office. 39dB against the Anker's 45dB under load, and reviewers flag the Anker's fan as genuinely noticeable indoorsB1.
- →You're running a job like a tailgate afternoon that needs more total capacity than 768Wh can supply, the 1000 Air finishes it, the Anker comes up short.
Buy the SOLIX C800 Plus if you…
- →You need real continuous output, 1,200W against the 1000 Air's 500W, for appliances the smaller inverter simply refuses.
- →You want a laptop-speed USB-C port and a companion app reviewers consistently praise for remote monitoring and firmware updatesB7B8B15.
- →You want the far cheaper warranty math, about $80 a year of coverage against $155, and 5 years against 2.
If neither fits
If you need the camping-light pole to actually replace your lanterns, or you need the full range for van life, an 8-hour blackout, or a full off-grid workday, look past both, the scenario math shows either unit well short of those jobs, some by more than seven times over. Step up to a 1.5-to-2kWh station instead.
The Bottom Line
This is the cheaper, quieter, bigger-tank unit against the pricier one built for real output and a longer warranty. The 1000 Air wins on cost per lifetime kilowatt-hour, $0.11 against $0.17, and on any job that's really about total capacity.
The Anker SOLIX C800 Plus spends its $90 premium on 1,200W of continuous output, a 100W USB-C port, and a warranty that's both longer and cheaper to insure per year. If your loads are light and quiet matters, take the 1000 Air. If you need the output or the coverage, the Anker earns its price.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Is the Anker SOLIX C800 Plus worth $90 more than the EcoFlow DELTA 3 1000 Air?
Only if you need its output or its warranty. The Anker has 192Wh less capacity but adds 1,200W continuous output against 500W, a 100W USB-C port against 18W, and a 5-year warranty against 2. The 1000 Air is cheaper to own per lifetime kilowatt-hour and is the quieter, cheaper unit for light, stationary use. Pay the $90 if you need real output or a laptop-speed port; skip it if your loads stay light.
Is the Anker SOLIX C800 Plus loud?
Under heavy sustained load or fast charging, reviewers describe the fan as clearly noticeable indoors, with one calling it unavoidable in a quiet house. Its 45dB spec is also 6dB louder than the DELTA 3 1000 Air's 39dB. For a bedroom or office, the 1000 Air is the quieter pick.
Can the Anker SOLIX C800 Plus handle a tailgate party?
Not quite on its own. A 670Wh tailgate load needs just past what the C800 Plus holds usable, while the DELTA 3 1000 Air uses 82% of its battery for the same load and finishes with room to spare.
Which one is cheaper to own long-term?
Split decision. Per lifetime kilowatt-hour, the 1000 Air wins at $0.11 against $0.17. Per year of warranty coverage, the Anker wins clearly, about $80 a year against $155, because its 5-year term is spread over the purchase price. Trust the per-kilowatt-hour number for raw energy cost; trust the per-year number for the longer safety net.
What's the camping-light pole on the Anker SOLIX C800 Plus?
A built-in light feature that's genuinely polarizing among reviewers, some call it a real lantern replacement that let them stop packing separate lights, others call it unnecessary and note it took over the cable-storage space the plain C800 had. It shouldn't drive the purchase either way unless you already know which camp you're in.
Where to buy
EcoFlow DELTA 3 1000 AirPick
$309.00
$309.00 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.