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Head-to-head test

EcoFlow DELTA 3 vs Anker SOLIX C2000 Gen 2

The SOLIX C2000 Gen 2 costs $371 more and weighs 14.7 pounds more, and it's the cheaper of the two to own. Twice the battery on the same 4,000-cycle rating brings its lifetime cost per kWh under the DELTA 3's.

Full profiles: EcoFlow DELTA 3 β†’ Β· Anker SOLIX C2000 Gen 2 β†’

Written by Ian SchneiderUpdated

Solar & Off-Grid Tester, Station Arena Test Desk

Stack these against 100+ rivals
MethodologyReader-supported β€” we may earn from links (details)

Spec deltas

Capacity
1,024Wh
2,048Wh
Output
1,800W
2,400W
Weight
27 lb
41.7 lb
Typical price
$629
$1,000
Cost / Wh
$0.61
$0.49
Cycle life
4,000
matched
4,000
Solar input
500W
800W
01

I'd carry the DELTA 3 up a flight of cabin steps without thinking about it. It weighs 27 pounds. The SOLIX C2000 Gen 2 weighs 41.7, and with that one I'd put my coffee down first. The extra weight is a second kilowatt-hour of battery. The SOLIX holds 2,048Wh and the DELTA 3 holds 1,024Wh.

The SOLIX costs $371 more. The lifetime cost runs the other way. Both packs are rated for 4,000 cycles, so the bigger one spreads its price over twice the energy, and that comes to $0.12 per kWh against $0.15.

Where the capacity shows up is a long night without power. The SOLIX finishes our 8-hour blackout. The DELTA 3 comes up 775Wh short. For a CPAP night or a tailgate, either one does the job and still has charge left at the end.

02

What the Numbers Reveal

Each conclusion stated first β€” the numbers behind it on one line, the full analysis below.

F1

continuous output

A starting motor asks for a set number of watts. It doesn't care about ratios. For a fridge compressor or a power tool, the SOLIX's higher ceiling is the stronger number.

DELTA 3: 3,600W surge over an 1,800W continuous ratingSOLIX C2000 Gen 2: 4,000W surge over a 2,400W continuous rating

Why it mattersFor a hard-starting load near the limit, the SOLIX has the room.

F2

solar input

Solar input is the most panel wattage the unit will take. With enough panels on a short winter day, the higher input fills more of the battery by evening.

DELTA 3: 500W solar input, takes EcoFlow expansion batteriesSOLIX C2000 Gen 2: 800W solar input, takes Anker expansion batteries

Why it mattersIf you plan to run off panels, the SOLIX has the better growth path.

The specific dimensions that decide these two units β€” everything else is a tie.

Lifetime Value

Selected because: The dearer unit is the cheaper one to own, which is worth showing first.

cost / lifetime kWh

Both packs are rated for 4,000 cycles, one cycle being a full drain and refill. So lifetime energy follows capacity: 4,096 kWh for the DELTA 3 and 8,192 for the SOLIX. Divide each price by that and the SOLIX lands at $0.12 per kWh, the DELTA 3 at $0.15.

Your Life, Your Pick

Selected because: The DELTA 3 runs short on the blackout and the workday; the SOLIX finishes both.

Our scenario math counts 85% of each battery as usable, a flat allowance we apply to every unit. A CPAP night and a tailgate fit in both. The remote workday is a near miss for the DELTA 3.

The 8-hour blackout is not close. The DELTA 3 runs dry 775Wh short. The SOLIX finishes with 96Wh left, which is enough without much cushion. If I were buying for a house where winter storms take the power out, I'd take the SOLIX. The extra weight is what doing that job costs.

What the Specs Don't Tell You

Selected because: The surge ratio favours the DELTA 3 while the surge ceiling favours the SOLIX, and the warranties match.

The surge card splits them. The DELTA 3 has the higher ratio and the SOLIX the higher ceiling, and a starting motor wants a set number of watts.

The warranty card is the price gap again. Both carry five years.

Portability & Form Factor

Selected because: 14.7 pounds is the DELTA 3's strongest argument.

weight

The DELTA 3 is 27 pounds. It goes off a shelf and into a trunk one-handed. The SOLIX is 41.7. You can still lift it alone, but it's a bend-your-knees lift.

If the unit lives in one spot, the extra weight barely registers. If you'll carry it to every tailgate, the DELTA 3 is the easier companion. It also has six AC outlets to the SOLIX's five, which helps on a crowded folding table.

Brand Trust

Selected because: Cross-brand pair: EcoFlow's bigger ecosystem against Anker's support reputation, with caveats on both.

EcoFlow has the larger lineup and the largest owner community in portable power. Its support reports are polarised, and it offers no parts or service once the warranty ends.

Anker brings the trust of a company millions know for chargers and cables, and reviewers describe an unusually simple setup on this unitB2. Its support used to be the benchmark. Recent reports say it has slipped.

Strengths & trade-offs

EcoFlow DELTA 3

Strengths

  • +Costs $371 less
  • +Lighter by 14.7 lb

Trade-offs

  • –Weaker inverter (-600W) limits appliance compatibility.

Anker SOLIX C2000 Gen 2

Strengths

  • +Larger battery capacity
  • +Higher AC output
  • +Faster solar charging

Trade-offs

  • –Substantially more expensive (+$371) than the DELTA 3.
  • –Significantly heavier (+14.7 lbs), making it harder to move.
03

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 Β· 2 nights Β· needs 2,100Wh

Weekend Camping

Two nights off-grid with essential comfort

Neither unit

A full camping weekend asks for about 2,100Wh. The SOLIX covers about 83% of it and the DELTA 3 about 41%. Neither is the right single unit.

Camping power station guide β†’

Battery budget usedlower = more headroom

LOADΒ Β Phone Charger 15WΓ—6h Β· LED Lights 40WΓ—8h Β· Box Fan 75WΓ—14h Β· CPAP Machine 40WΓ—16h

SCN-02 Β· 8 hours Β· needs 1,645Wh

8-Hour Blackout

Keep the essentials running through a night without power

SOLIX C2000 Gen 2

The SOLIX gets through the night with 96Wh left. The DELTA 3 comes up 775Wh short and would need a recharge partway through.

Emergency blackout power guide β†’

Battery budget usedlower = more headroom

LOADΒ Β Fridge 150WΓ—8h Β· Router + Modem 20WΓ—8h Β· LED Lights (4 bulbs) 40WΓ—6h Β· Phone Charger 15WΓ—3h

SCN-03 Β· 8 hours Β· needs 320Wh

CPAP Overnight

Sleep therapy without interruption β€” the #1 medical use case

Either unit

A single CPAP machine leaves plenty in either battery. The DELTA 3 still has about 550Wh left by morning. For this job alone, the lower price and lighter box make the DELTA 3 the sensible buy.

Battery budget usedlower = more headroom

LOADΒ Β CPAP Machine 40WΓ—8h

SCN-04 Β· 8 hours Β· needs 910Wh

Remote Workday

Full work day off-grid without power anxiety

SOLIX C2000 Gen 2

A full workday is a near miss for the DELTA 3, about 40Wh short. The SOLIX finishes with more than 800Wh in reserve.

Battery budget usedlower = more headroom

LOADΒ Β Laptop 60WΓ—8h Β· External Monitor 30WΓ—8h Β· Router + Modem 20WΓ—8h Β· Phone Charger 15WΓ—2h

SCN-05 Β· 4 hours Β· needs 670Wh

Tailgate Party

Game day power for the crew

SOLIX C2000 Gen 2

Both handle a tailgate, and the DELTA 3 finishes with about 200Wh left. In a parking lot, the lighter box and the sixth outlet count for more than the extra buffer.

Battery budget usedlower = more headroom

LOADΒ Β Blender 400WΓ—0.5h Β· LED TV (55") 80WΓ—4h Β· Bluetooth Speaker 15WΓ—4h Β· Phone Charger (Γ—3) 45WΓ—2h

SCN-06 Β· 24 hours Β· needs 4,685Wh

Van Life Daily

A full day of mobile living β€” the ultimate endurance test

Neither unit

A full day of van life wants about 4,685Wh. That's more than twice what the SOLIX can give and more than five times the DELTA 3. This calls for a stacked system.

RV & van-life power guide β†’

Battery budget usedlower = more headroom

LOADΒ Β Mini-Fridge 150WΓ—24h Β· Laptop 60WΓ—4h Β· Phone Charger 15WΓ—3h Β· LED Lights 40WΓ—5h Β· Fan 75WΓ—8h

The Load Test

RUNTIME = (Wh Γ— 0.85) Γ· LOAD

None of the scenarios above exactly yours? Build it. Toggle what you'd plug in; both units are tested against the combined draw.

Essentials

Comfort & Convenience

High-Draw Appliances

Test duration

8h

Continuous draw

205W

Projected runtime

DELTA 34.2h
dead in 4.2h β€” before your 8h window ends
SOLIX C2000 Gen 28.5h
94% of usable battery in 8h

For this load: SOLIX C2000 Gen 2 runs 8.5h vs 4.2h.

Check SOLIX C2000 Gen 2 price β†’

$999.99 list Β· direct from Anker

Planning for more than this? Describe your whole setup and get it sizedΒ β†’

Modeled from the spec record β€” same math as the tables below. Methodology

Runtime by appliance

Real-world runtime estimates for common appliances, modeled at 85% inverter efficiency.ΒΉ

Essentials

The basics you need runningscale 0–116.1h
ApplianceDELTA 3SOLIX C2000 Gen 2
CPAP Machine40W draw
DELTA 3: 21.8h2 full nights
SOLIX C2000 Gen 2: 43.5h5 full nights
Phone Charger15W draw
DELTA 3: 58h
SOLIX C2000 Gen 2: 116.1h
Router + Modem20W draw
DELTA 3: 43.5h
SOLIX C2000 Gen 2: 87h
Starlink75W draw
DELTA 3: 11.6h
SOLIX C2000 Gen 2: 23.2h
LED Lights (4 bulbs)40W draw
DELTA 3: 21.8h
SOLIX C2000 Gen 2: 43.5h
Laptop (Working)60W draw
DELTA 3: 14.5h
SOLIX C2000 Gen 2: 29h

Comfort & Convenience

Makes off-grid life actually enjoyablescale 0–23.2h
ApplianceDELTA 3SOLIX C2000 Gen 2
Box Fan75W draw
DELTA 3: 11.6h
SOLIX C2000 Gen 2: 23.2h
LED TV (55")80W draw
DELTA 3: 10.9h
SOLIX C2000 Gen 2: 21.8h
Mini-Fridge150W draw
DELTA 3: 5.8h
SOLIX C2000 Gen 2: 11.6h
Electric Blanket200W draw
DELTA 3: 4.4h0 full nights
SOLIX C2000 Gen 2: 8.7h1 full night

High-Draw Appliances

These reveal the real limitsscale 0–1.7h
ApplianceDELTA 3SOLIX C2000 Gen 2
Coffee Maker1000W draw
DELTA 3: 0.9h
SOLIX C2000 Gen 2: 1.7h
Microwave1200W draw
DELTA 3: 0.7h
SOLIX C2000 Gen 2: 1.5h
Space Heater1500W draw
DELTA 3: 0.6h
SOLIX C2000 Gen 2: 1.2h

ΒΉ Runtime = (capacity Γ— 0.85) Γ· 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 β€” see methodology.

Conclusion

October 25, 2026

Verdict: the SOLIX C2000 Gen 2, on Power Score margin

The SOLIX C2000 Gen 2 holds twice the energy on the same 4,000-cycle rating, so over its life it stores a kWh for $0.12 against the DELTA 3's $0.15. It also finishes the 8-hour blackout and the remote workday, two jobs the DELTA 3 runs out on. The DELTA 3 costs $371 less, weighs 14.7 pounds less and has one more AC outlet. Buy the SOLIX if you'll use the extra capacity. Buy the DELTA 3 if your loads are a CPAP night or a tailgate and you'd rather carry the lighter box.

Today the DELTA 3 is $599, $30 under its typical $629 and the SOLIX C2000 Gen 2 is $899.99, $100 under its typical $999.99. The verdict weighs typical prices, not today's. Prices checked 28 days ago.

Cost to ownSOLIX C2000 Gen 2$0.12 vs $0.15 /lifetime-kWh
Continuous outputSOLIX C2000 Gen 22,400W vs 1,800W
Typical priceDELTA 3$629 vs $1,000
PortabilityDELTA 327 vs 41.7 lb
Solar inputSOLIX C2000 Gen 2800W vs 500W
β– β– β– β– β– β– β– β–‘β–‘β–‘7/10

Editor-assigned confidence, based on cited owner research and spec analysis.

List prices as of October 25, 2026. The links below open EcoFlow's and Anker's current prices.

Check SOLIX C2000 Gen 2 price

$899.99 Β· direct from Anker

down from $1,000 Β· 10% below usual

Last checked 28 days ago. Prices move β€” check before you buy.

or check the DELTA 3 price$599.00 list

Written by Ian Schneider, Solar & Off-Grid Tester Β· Station Arena Test Desk Β· Updated October 25, 2026

Black Friday Β· 26 days out

Prices to beat:DELTA 3 $519SOLIX C2000 Gen 2 $600

The lowest we have recorded for each. A Black Friday price above it is a sale that unit has already had.

Black Friday deals β†’
04

Measured Data

Benchmark scores and the full spec record, side by side.

Benchmark scores

DELTA 3SOLIX C2000 Gen 2
Overall Power Score
3,017
3,947
UPSResponse & Reliability
3,436
3,922
RV LivingEnergy Density & Output
2,826
3,712
Home BackupCapacity & Resilience
3,171
4,054
CPAPSleep Therapy Reliability
3,476
4,003
Solar GeneratorSolar Input & Efficiency
2,622
3,405
TailgatingOutlets & Portability
2,783
3,372
Food TruckSustained Heavy Output
2,888
3,639
Apartment BalconyCompact Solar Living
2,797
3,571
CampingLightweight & Versatile
2,661
3,422

Full specifications

DELTA 3
$599
Updated Oct 25
See live price β†’
SOLIX C2000 Gen 2
$899.99β˜… our pick
Updated Oct 25
See live price β†’
Capacity (Wh)
1024
2048
Output (W)
1800
2400
Surge Peak
3600W
4000W
AC Outlets
6
5
240V Outlets
0
0
30A RV Outlets
0
1

ᡈ Derived: price Γ· rated capacity. See the data behind our comparisons β†’

Comparison ToolAdd more power stations, side by sideOpen Tool β†’
How these numbers are produced

Numeric verification

Every figure on this page traces to our spec database or arithmetic on it β€” no estimated numbers.

Owner claims

Statements about owner experience are cited to published reviews β€” see Sources & Research Notes below.

Runtime model

Runtime = (rated capacity Γ— 0.85 inverter efficiency) Γ· 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 β†’

Class ranking (the star rating)

Each unit's star score is a category ranking, not customer reviews β€” 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 5β˜…. Here, DELTA 3 rates 4.5/5 (73rd percentile of 27 Everyday-class units), and SOLIX C2000 Gen 2 rates 4.2/5 (56th percentile of 28 Large-class units).

How the class ranking is computed β†’

Test Notes & Caveats

Hidden gotchas and advantages we spotted that you won't find on the product page.

[NOTE]

Two surge numbers, two meanings

The DELTA 3 surges to 3,600W over an 1,800W continuous rating, twice its own rating. The SOLIX surges to 4,000W over 2,400W, about 1.7 times. The ratio shows how much headroom each keeps above its own continuous rating. The ceiling shows how big a startup spike each can absorb. A starting motor asks for a set number of watts, so for that job the SOLIX is the stronger of the two.

[NOTE]

Same five years on both

Both units carry a five-year warranty. Counted as years of cover per dollar, the DELTA 3 comes out ahead because it costs less. That says nothing about how either brand honours its warranty.

Full record above β€” the Test Desk pick is the SOLIX C2000 Gen 2.

Check SOLIX C2000 Gen 2 price β†’or check the DELTA 3 price
05

Ownership Analysis

What happens after you buy β€” true cost of ownership, brand trust, and growth potential.

Lifetime value

DELTA 3SOLIX C2000 Gen 2

β”‚ warranty ends Β· Reaching the cycle rating means ~80% capacity remains β€” degraded, not dead.

DELTA 3
SOLIX C2000 Gen 2
Purchase price
$599.00
$899.99
Lifetime energy delivered
4,096 kWh
8,192 kWh
Cost per lifetime kWh
$0.15
$0.12
Cost per warranty year
$126/yr
$200/yr
Battery lifespan
11yr daily Β· 38.5yr weekends Β· 76.9yr weekly
11yr daily Β· 38.5yr weekends Β· 76.9yr weekly

Analyst note

The DELTA 3 is cheaper to buy, but the SOLIX C2000 Gen 2 is cheaper to own. At $0.12/kWh over its lifetime vs $0.15/kWh, the SOLIX C2000 Gen 2's higher cycle life and capacity make each dollar go further over the years. One thing to know reading the table: both carry the same 4,000-cycle rating, so the lifetime rows are sticker price and capacity in disguise β€” the wear horizon is identical and decides nothing here.

Brand trust

EcoFlow

Ecosystem

The deepest lineup in portable power: DELTA, DELTA Pro and RIVER stations, plus solar panels and smart home panels.

Support

Polarised. Many claims end in a quick prepaid-label replacement. Others stall into long waits or a refurbished unit on a new claim. Buying through a major retailer gives you a second route for returns.

Community

Largest community in the space β€” Reddit r/Ecoflow_community (~31K members), multiple Facebook groups, and an official community forum

App experience

Rated 4.6/5 iOS (~8,400 ratings) Β· 4.2/5 Android (~17,000 ratings)

Unique strength

Fast X-Stream charging, and the most paths if you outgrow a single unit.

Worth knowing

EcoFlow tested a subscription paywall for advanced app features in early 2025, then paused it after owners pushed back. It offers no parts or service out of warranty.

All EcoFlow power stations tested β†’

Anker

Ecosystem

A tighter lineup: the SOLIX C-series and F-series cover fewer capacity points, plus the X1 home energy system.

Support

Historically known for no-hassle replacements. Recent reports describe AI-driven support replies and complicated returns for heavy units that ship as hazardous goods.

Community

Moderate β€” 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) Β· 4.3/5 Android

Unique strength

The trust of Anker's wider consumer-electronics name, and strong value per watt-hour in its mid-size and larger units.

Worth knowing

Its expansion ecosystem is smaller than EcoFlow's, and firmware updates have removed features without warning.

All Anker power stations tested β†’

Analyst note

EcoFlow wins on breadth: more models, a bigger community, more ways to expand. Anker wins this matchup's economics, with twice the capacity and a lower lifetime cost per kWh. EcoFlow's support stories run hot and cold, and Anker's support is drifting from its old standard.

Growth path

DELTA 3

EXPANDABLE

Supports EcoFlow expansion batteries, so you can add capacity later without replacing the base unit β€” 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 C2000 Gen 2

EXPANDABLE

Supports Anker expansion batteries, so you can add capacity later without replacing the base unit β€” useful if your needs may climb past 2,048Wh.

Accepts up to 800W 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 Anker-specific. You're investing in the Anker ecosystem.

DELTA 3SOLIX C2000 Gen 2

Analyst note

Both expand, but the SOLIX C2000 Gen 2's higher solar ceiling (800W vs 500W) gives it the stronger off-grid growth path β€” more panels can feed a bigger bank as it grows.

06

What Owners Report

Patterns from published owner reports and long-term reviews β€” every claim cited to its source below.

EcoFlow DELTA 3

Field reports on the standard DELTA 3 are thin. Most published testing covers the Plus, Max and Ultra, which differ in capacityA0. What does belong to this model is how quiet it is at light loads. Under about 200W the fans often stay off, and at moderate loads they're barely audible from three feet awayA1.

The UPS reports come from a sibling. UPS here means the unit takes over the load the moment wall power cuts out. Testers saw a DELTA 3 Plus, which shares the same switchover spec, keep routers and CPAP machines running through a power cutA2. That's encouraging for the standard DELTA 3, but we found nobody who has confirmed it on this exact unit.

β€œAt 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.”
β€” portablepowernerd.com β€” EcoFlow Delta 3 Tested: 2026 Hands-On Review; thesolarlab.com, 2026

Sources

portablepowernerd.com Β· thesolarlab.com Β· outputreport.com

Anker SOLIX C2000 Gen 2

Reviews of the C2000 Gen 2 agree. It runs quieter under load than Anker's other big stations, charges fast, sets up with no fuss and feels well builtB1B2B4. The Anker app gets specific praise for useful monitoring over Bluetooth or Wi-FiB3.

It's much lighter than the original C2000 it replacedB5, though it's still the heavier box on this page. This coverage comes from hands-on review sites. Our research found no long-term owner reports yetB0.

β€œEven at full power it's far quieter than any other powerful Anker station tested β€” the fans never rise above a subdued, easily-backgrounded whirr, working largely silently and only occasionally reaching a pleasantly quiet ~35 dB at 1 m under high load.”
β€” notebookcheck.net / thesolarlab.com β€” Anker SOLIX C2000 Gen 2 review, 2026

Sources

notebookcheck.net Β· thesolarlab.com Β· trustedreviews.com Β· androidguys.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

  • Reviewers consistently praise quiet operation, fast charging, premium build, and no-fuss plug-and-play simplicity. [SOLIX C2000 Gen 2 Β· 3 entries]
  • A1

    β€œAt 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 β€” EcoFlow Delta 3 Tested: 2026 Hands-On Review; thesolarlab.com Β· 2026 Β· [positive]

  • A2

    β€œUPS switchover works as advertised β€” 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 β€” DELTA 3 line UPS testing (observed on DELTA 3 Plus, which shares the 10ms UPS spec) Β· 2026 Β· [positive]

  • B1

    β€œEven at full power it's far quieter than any other powerful Anker station tested β€” the fans never rise above a subdued, easily-backgrounded whirr, working largely silently and only occasionally reaching a pleasantly quiet ~35 dB at 1 m under high load.”

    notebookcheck.net / thesolarlab.com β€” Anker SOLIX C2000 Gen 2 review Β· 2026 Β· [positive]

  • B2

    β€œReally simple to use β€” no need to download firmware or deal with weird voltage drops; you just turn it on, plug in, and go. Rapid charging and premium build.”

    trustedreviews.com / thesolarlab.com β€” Anker SOLIX C2000 Gen 2 review Β· 2026 Β· [positive]

  • B3

    β€œThe Anker Solix app is a good way to monitor the station during charging and use over Bluetooth or Wi-Fi; reviewers appreciated the monitoring functionality.”

    androidguys.com β€” Anker SOLIX C2000 Gen 2 review Β· 2026 Β· [positive]

  • B4

    β€œDelivers a convincing performance with few points of criticism β€” undoubtedly one of the most attractive 2 kWh power stations on the market.”

    notebookcheck.net β€” Anker SOLIX C2000 Gen 2 review Β· 2026 Β· [positive]

  • B5

    β€œSubstantially lighter than its predecessor β€” the Gen 2 shed a large amount of weight versus the original C2000, making it notably easier to carry for its capacity.”

    notebookcheck.net β€” '11.6 kg lighter than its predecessor' review Β· 2026 Β· [positive]

Research compiled October 25, 2026.

07

What Owners Actually Report

Drawn from 34 comments on independent review channels β€” not from retailer reviews, which skew to the first week of ownership. Each line is our summary of one commenter's claim, linked to the original. We record what they said, including where it contradicts the spec sheet.

EcoFlow DELTA 3

34 claims from 26 comments Β· 17 from owners Β· 7 with figures

Solar input
5 Β· 27% negative
Runtime
3 Β· 66% negative
Price & value
4 Β· 11% negative
Build quality
2 Β· 100% negative
Inverter & surge
2 Β· 0% negative

What owners complain about

  • At 30% charge it ran a 12V cool box for only 30 minutes against a claimed 12 hours at full charge.

    Runtimemeasuredowner1 agreedsource β†’

  • AC-port surge protection is rated only 150 joules versus 1,800 on his UPS, so he chained both.

    Build qualitymeasuredownersource β†’

  • Four 12V 100W panels in series give an overload error despite a 60V input rating.

    Solar inputmeasuredownersource β†’

What owners praise

  • The same pressure washer ran on their DELTA 3 with no errors.

    Inverter & surgemeasuredowner1 agreedsource β†’

  • Charges 0-100% in 1 hour on 1,000W of solar; 800W takes only 20 minutes longer.

    Solar inputmeasuredowner1 agreedsource β†’

  • Bought a DELTA 3 from a Costco sale for $389 to replace a 1500VA UPS.

    Price & valuemeasuredownersource β†’

Anker SOLIX C2000 Gen 2

15 claims from 8 comments Β· 11 from owners Β· 4 with figures

Expandability
2 Β· 0% negative
Size & weight
1 Β· 0% negative
Price & value
3 Β· 0% negative
Idle drain
2 Β· 0% negative
App & firmware
1 Β· 0% negative

What owners complain about

  • Says the 800W max claim is limited by a 60V, 17A window, so real peak input is well under the rating.

    Solar input2 agreedsource β†’

What owners praise

  • C2000 weighs only 42 pounds and the fan is silent.

    Size & weightmeasuredowner9 agreedsource β†’

  • 2400W inverter and 4kWh of storage with the expansion battery.

    Expandabilitymeasuredowner9 agreedsource β†’

  • Has all the time-of-use features needed for home use.

    App & firmwareowner9 agreedsource β†’

Claims are weighted by how specific they are, whether the commenter owns the unit, and how many readers agreed. Comments that mention a product under a rival's review count for more, because the commenter had no reason to be there. This is what buyers report, not our test results β€” for measurements we ran ourselves, see the methodology.

08

Who Should Buy Which

Buy the DELTA 3 if you…

  • β†’$629 and 27 pounds are the numbers you care about, and your loads are a CPAP night or a tailgate. The DELTA 3 covers both with room left.
  • β†’You need sockets more than runtime. It has six AC outlets to the SOLIX's five.

This is you β€” check the DELTA 3 price

Buy the SOLIX C2000 Gen 2 if you…

  • β†’You want an overnight blackout covered, or a full remote workday off the battery. Those are the two jobs where the DELTA 3 runs short and the SOLIX doesn't.
  • β†’You'll cycle it hard and often, or run it off panels. The lower lifetime cost per kWh and the higher solar input both reward heavy use.

This is you β€” check the SOLIX C2000 Gen 2 price

If neither fits

A camping weekend needs around 2,100Wh and a day of van life around 4,685Wh. Even the SOLIX falls short of both. Look at a bigger station, or plan on an expansion battery from day one.

09

The Bottom Line

The SOLIX C2000 Gen 2 costs $371 more and weighs 14.7 pounds more. It's still the better buy for most people. It stores energy for less over its life, and it finishes the overnight blackout and the workday that the DELTA 3 can't.

The DELTA 3 holds its own on the lighter jobs. It's cheaper, easier to carry, and has an extra outlet. Buy it if CPAP nights, tailgates and short trips are the plan.

10

Frequently Asked Questions

Answers drawn from the spec record and cited owner research.

Is the Anker SOLIX C2000 Gen 2 worth $371 more than the EcoFlow DELTA 3?

For most uses, yes. The SOLIX has twice the capacity on the same 4,000-cycle rating, so its cost per lifetime kWh is lower: $0.12 against $0.15. It also finishes the 8-hour blackout the DELTA 3 can't. The DELTA 3 answers with less weight and one extra AC outlet.

Which one should I get for an extended power outage?

The SOLIX C2000 Gen 2. It finishes the 8-hour blackout scenario we model with about 96Wh to spare. The DELTA 3 comes up about 775Wh short and would need a recharge partway through. Past one night at that load, both need a recharge or an expansion battery.

Is the EcoFlow DELTA 3 more portable than the SOLIX C2000 Gen 2?

Yes. The DELTA 3 weighs 27 lbs against the SOLIX's 41.7 lbs, a 14.7 lb difference. If you lift it in and out of a car every trip, you'll feel it.

Can either of these run a full weekend of camping or power a van full-time?

No, not on their own. A typical weekend-camping load needs around 2,100Wh and van-life daily use around 4,685Wh. The SOLIX's 2,048Wh is just under the camping figure before our 85% usable allowance, and both fall far short of the van-life figure. Look at a bigger station or plan to add an expansion battery.

Do both of these charge from solar panels?

Yes, both accept solar input. The SOLIX takes up to 800W against the DELTA 3's 500W. That matters most in multi-day outages, where more panel input refills the battery faster.

Check SOLIX C2000 Gen 2 price β†’

Where to buy

DELTA 3

EcoFlow DELTA 3

$599.00

Check current price

$599.00 Β· direct from EcoFlow

down from $629 Β· 5% below usual

Last checked 28 days ago. Prices move β€” check before you buy.

SOLIX C2000 Gen 2

Anker SOLIX C2000 Gen 2Pick

$899.99

Check current price

$899.99 Β· direct from Anker

down from $1,000 Β· 10% below usual

Last checked 28 days ago. Prices move β€” check before you buy.

Prices may vary by retailer and are subject to change.