Head-to-head test
EcoFlow RIVER 3 MAX PLUS WIRELESS vs Anker SOLIX C1000 Gen 2
The SOLIX C1000 Gen 2 outputs more than three times the continuous power of the RIVER 3 Max Plus Wireless and refills from triple the solar — the RIVER's whole case rests on being $50 cheaper, 172Wh bigger, and 5 decibels quieter.
Written by Ian SchneiderUpdated
Solar & Off-Grid Tester, Station Arena Test Desk

EcoFlow
RIVER 3 MAX PLUS WIRELESS
2,887Power Score · Appliance Class
$599.00 list · direct from EcoFlow

Anker
SOLIX C1000 Gen 2
3,357Power Score · Appliance Class
$549.99 list · direct from Anker
Spec deltas
The SOLIX C1000 Gen 2 outputs 2,000W continuously against the RIVER 3 Max Plus Wireless's 600W, and it recharges from up to 600W of solar against the RIVER's 200W. Both numbers favor Anker by roughly three times, for $649 against $599.
The RIVER doesn't lose everywhere. It holds 1,196Wh to the Anker's 1,024Wh, weighs 20.8 lbs to the Anker's 24.9, and runs at a rated 30dB against the Anker's 35 — genuinely quieter, not just on paper. It also has the wider surge cushion of the two units relative to its own rating, which matters more than the raw wattage suggests.
This is a power-and-speed unit against a quiet-and-cheap one wearing similar-sized cases. Which one wins depends entirely on whether your loads ever get close to 600W.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
continuous output
Anker's solar ceiling is also triple the RIVER's — 600W against 200W — so the bigger inverter doesn't come at the cost of a slower refill. Both scale together, which means Anker isn't trading one strength for another; it's just the more capable unit on every watts-per-second metric.
SOLIX C1000 Gen 2 outputs 2,000W continuous with a 3,000W surgeRIVER 3 Max Plus Wireless outputs 600W continuous with a 1,200W surge
Why it mattersAnyone running an actual appliance off-grid — a space heater, an air compressor, a job-site tool — should buy the SOLIX C1000 Gen 2; the RIVER's ceiling is a laptop and a mini-fridge, not a job site.
That tracks with the noise gap: Anker runs 5dB louder under load, the direct cost of pushing a bigger inverter closer to its ceiling to deliver that extra output. The 'more powerful' unit is both tighter on relative surge margin and louder getting there.
RIVER 3 Max Plus Wireless has a 1,200W surge against a 600W continuous rating — roughly 2.0 timesSOLIX C1000 Gen 2 has a 3,000W surge against a 2,000W continuous rating — roughly 1.5 times
Why it mattersFor a finicky compressor startup that sits near the edge of rated capacity — an old mini-fridge, a sump pump — check the surge ratio, not just the wattage number; the smaller unit isn't automatically the weaker one there.
Capacity
That's exactly why the RIVER wins Remote Workday and Tailgate Party despite its lower power score: both jobs draw far less than either unit's output ceiling, so the contest comes down to capacity, and the bigger, cheaper tank wins it.
RIVER 3 Max Plus Wireless holds 1,196Wh against the SOLIX C1000 Gen 2's 1,024Wh — 172Wh moreRIVER 3 Max Plus Wireless costs $599 against the SOLIX C1000 Gen 2's $649 — $50 less
Why it mattersBuyers whose loads never approach 600W — laptop, CPAP, string lights — should ignore the power-score gap entirely and buy the RIVER on capacity and price alone.
The specific dimensions that decide these two units — everything else is a tie.
PowerScore Breakdown
Selected because: The headline number, and it's driven by output and solar speed, not capacity.
overall power score
The 342-point gap between Anker's 3,229 and the RIVER's 2,887 tracks almost entirely with output and solar speed, where Anker leads roughly three-to-one on both. The RIVER's capacity edge barely registers on this score, the same pattern you'd see comparing any small-inverter unit to a bigger one.
Read the score as 'how fast can this thing move power,' not 'which one is better.' On that specific question, Anker isn't close.
What the Specs Don't Tell You
Selected because: Surge ratio and cycle life are the two spec-true tiebreakers that complicate the raw power-score story.
rated cycles
Two things complicate the raw power-score story. First, the RIVER's surge-to-continuous ratio (roughly 2.0 times its rating) is proportionally wider than Anker's (roughly 1.5 times) — the smaller inverter has more relative headroom for a startup spike, even though Anker's absolute surge number is bigger. Second, Anker's extra 1,000 rated cycles stretch its usable life further under daily use than the RIVER's.
Neither fact reverses the verdict, but both are real: buy Anker for the years of service and the raw watts, and don't assume its bigger surge number means a bigger safety margin — check the ratio.
Your Life, Your Pick
Selected because: Remote Workday and Tailgate Party flip to the RIVER purely on capacity — worth explaining why that doesn't contradict the power gap.
Weekend Camping, the 8-Hour Blackout, and Van Life Daily defeat both units by wide margins — neither is close to the roughly 2,100Wh, 1,645Wh, and 4,685Wh those jobs need, so the power gap between them doesn't matter there. CPAP Overnight is a clean tie: both run it on well under half their capacity.
Remote Workday and Tailgate Party go to the RIVER, and it's worth explaining why that doesn't contradict Anker's much higher power score: neither job draws anywhere near 600W, so the fight is purely about who has more Wh in the tank, and the RIVER simply holds more.
Lifetime Value
Selected because: Anker is marginally cheaper to own despite the higher sticker price.
cost / lifetime kWh
Run the ownership math and Anker edges ahead: $0.16 per lifetime kWh against the RIVER's $0.17, and daily use stretches Anker's service life to about 11 years against the RIVER's 8.2, purely a function of the extra 1,000 rated cycles.
It's a narrow gap, not a decisive one — the RIVER's $50 lower sticker price nearly closes it. If you're buying for years of daily cycling rather than occasional backup, Anker's cycle count is the number that compounds.
Brand Trust
Selected because: Cross-brand pair — ecosystem size and support reputation differ meaningfully between EcoFlow and Anker.
EcoFlow is the bigger ecosystem by a wide margin — more models, the largest owner community in the category, and the fastest-moving product line. Anker brings the trust of a much larger consumer-electronics parent brand and genuinely strong per-Wh value on this generation of SOLIX units.
Support experiences are mixed on both sides lately: EcoFlow's are polarized between smooth replacements and long waits, while Anker's historically excellent reputation has been trending down with more generic, AI-driven responses reported. Buying either through a major retailer with its own return policy is the safer move regardless of brand.
Strengths & trade-offs
EcoFlow RIVER 3 MAX PLUS WIRELESS
Strengths
- +Lighter by 4.1 lb
- +Larger battery capacity
Trade-offs
- –Weaker inverter (-1,400W) limits appliance compatibility.
- –Shorter-lived battery — rated for 3,000 charge cycles vs the SOLIX C1000 Gen 2's 4,000, so it wears out sooner.
Anker SOLIX C1000 Gen 2
Strengths
- +Costs $49 less
- +Higher AC output
- +Faster solar charging
- +Rated for 4,000 charge cycles — much longer battery lifespan
Trade-offs
- –No major technical downsides compared to rival.
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
Either unit
A genuine tie — both units run a CPAP overnight on well under half their capacity. Decide this one on noise or price, not power.
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
RIVER 3 MAX PLUS WIRELESS
Neither unit is stressed by a laptop-monitor-router workday, so the win goes to whoever has more Wh in the tank — the RIVER, despite its much smaller inverter.
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
RIVER 3 MAX PLUS WIRELESS
Same logic on a shorter timeline: the RIVER's extra capacity leaves more in reserve for a tailgate afternoon, even with a fraction of Anker's continuous output.
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: RIVER 3 MAX PLUS WIRELESS runs 5h vs 4.2h.
$599 list · direct from EcoFlow
Modeled from the spec record — same math as the tables below. Methodology
Runtime by appliance
Real-world runtime estimates for common appliances, modeled at 85% inverter efficiency.¹
Essentials
The basics you need runningscale 0–67.8hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–13.6hHigh-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 SOLIX C1000 Gen 2
Anker wins the power engine outright — 3,229 against the RIVER's 2,887 — and backs it up with three times the continuous output (2,000W vs 600W), triple the solar ceiling (600W vs 200W), a thousand more rated cycles (4,000 vs 3,000), and a slightly lower cost per lifetime kWh ($0.16 vs $0.17). The RIVER answers with real advantages of its own: it's $50 cheaper, holds 172Wh more capacity, weighs 4.1 lbs less, runs 5dB quieter, and its smaller inverter actually has a wider surge cushion relative to its rating. For anyone who needs to run an actual appliance off the wall or refill fast from panels, take the SOLIX C1000 Gen 2. For quiet, cheap, capacity-bound use — laptop, CPAP, lighting — the RIVER is the better buy.
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.
$549.99 list · direct from Anker
or check the RIVER 3 MAX PLUS WIRELESS price$599.00 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, RIVER 3 MAX PLUS WIRELESS rates 3.4/5 (9th percentile of 24 Everyday-class units), and SOLIX C1000 Gen 2 rates 4.9/5 (96th percentile of 24 Everyday-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.
The Smaller Inverter Has the Wider Cushion
Anker's SOLIX C1000 Gen 2 delivers more than three times the RIVER's continuous output, but its surge rating relative to that output is the tighter of the two. The RIVER's inverter is smaller in absolute terms but has more relative headroom for a motor startup spike — a genuine point in its favor that the raw wattage numbers hide.
A Thousand More Cycles Adds Up
Anker's extra rated cycles stretch its useful life meaningfully further under daily cycling than the RIVER's. For occasional or backup use the gap barely matters; for a unit you're charging and draining most days, it's the number that compounds.
Full record above — the Test Desk pick is the SOLIX C1000 Gen 2.
Check SOLIX C1000 Gen 2 price →or check the RIVER 3 MAX PLUS WIRELESS 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 SOLIX C1000 Gen 2 wins on both sticker price and long-term value. At $0.13/kWh over its lifetime, it's meaningfully cheaper to own. Clear value winner.
Brand trust
EcoFlow
Ecosystem
Largest in portable power — 12-15 models across DELTA Pro, DELTA 3, and RIVER 3 series, plus solar panels and smart home panels
Support
US-based phone/email/chat support (1-800-368-8604). Experiences are polarized — many report hassle-free prepaid-label replacements, but others report long waits and refurbished units sent for new claims. Pro tip: buying from Costco or Amazon gives you a stronger return safety net.
Community
Largest community in the space — Reddit r/Ecoflow_community (~31K members), multiple Facebook groups, and an official community forum
App experience
Rated 4.6/5 iOS (~8,400 ratings) · 4.2/5 Android (~17,000 ratings)
Unique strength
EcoFlow's ecosystem is the deepest in the category — more models, faster-moving product line, and the largest owner community of any brand here.
Worth knowing
Support experiences are polarized: many report smooth, hassle-free replacements, but others describe long waits. Buying through a major retailer strengthens your return options either way.
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
This generation of SOLIX units is widely regarded as some of the strongest per-dollar value in the category, backed by Anker's much larger consumer-electronics brand trust.
Worth knowing
Anker's support reputation has historically been excellent but is trending down, with more reports of generic, scripted responses on recent claims.
Analyst note
EcoFlow wins on ecosystem breadth and community size; Anker wins on brand trust carried over from its consumer electronics business and on raw value for this specific generation. Neither brand's support is a clear standout right now — factor your retailer's return policy into the decision either way.
Growth path
RIVER 3 MAX PLUS WIRELESS
EXPANDABLESupports EcoFlow expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 1,196Wh.
Accepts up to 200W of solar. Limited to a single portable panel.
Adequate ports for most setups, but heavy users may want a power strip.
Expansion batteries are EcoFlow-specific. You're investing in the EcoFlow ecosystem.
SOLIX C1000 Gen 2
EXPANDABLESupports Anker 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 600W of solar. Suitable for a 1-2 panel setup.
Generous port selection supports complex multi-device setups.
Expansion batteries are Anker-specific. You're investing in the Anker ecosystem.
Realistic full solar rechargeat 70% of rated panel output — see methodology
Analyst note
Both expand, but the SOLIX C1000 Gen 2's higher solar ceiling (600W vs 200W) gives it the stronger off-grid growth path — more panels can feed a bigger bank as it grows.
What Owners Report
Patterns from published owner reports and long-term reviews — every claim cited to its source below.
EcoFlow RIVER 3 MAX PLUS WIRELESS
The RIVER 3 Max Plus Wireless earns consistent praise for how quiet it runs — reviewers describe the RIVER 3 line as genuinely quiet, not just quiet for the price, and that holds up even under charging loadA2A7. Recharging from a wall outlet is fast enough that reviewers call it out as a real strength for anyone topping off between trips without planning around itA1.
UPS switchover is quick enough that connected devices don't blink during a power cut, matching the same low-latency spec pricier units advertiseA5. The one recurring gap is naming confusion: EcoFlow's 'wireless' branding has led buyers of the sibling RIVER 3 Plus to expect a Qi charging pad on the case, and there isn't one here eitherA9.
“The RIVER 3 Max Plus (Wireless) can go from empty to full from mains in around 2.3 hours, which is very quick given its capacity.”
Sources
root-nation.com · backuppowerhub.com
Anker SOLIX C1000 Gen 2
Reviewers describe the SOLIX C1000 Gen 2 as a refined, fast-charging update to Anker's popular 1kWh platform — widely called the mid-size unit to beat in 2026B4. HyperFlash charging cuts a full wall recharge down meaningfully versus the original C1000, a gain reviewers call out by nameB1.
Fan noise is the most common complaint: it's close to silent at low load, matching its rated spec, but the fans ramp up audibly during fast charging or heavy outputB2. The higher continuous output crosses a real threshold over the original — reviewers note it can run a standard space heater with headroom to spare, something a smaller-inverter unit in this class can't claimB3.
“Fast HyperFlash charging — a full recharge in roughly 49 minutes, noticeably quicker than the original C1000's ~58-80 minutes.”
Sources
thepowerpick.com · macrumors.com · outdoorgearlab.com · technerdo.com · mensjournal.com · powerstationadvisor.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 the low fan noise (~30dB) as suitable for bedroom/overnight use. [RIVER 3 MAX PLUS WIRELESS · 4 entries]
- The UPS/fast-recharge combination is repeatedly cited as a practical real-world benefit for remote work and campsite hookups. [RIVER 3 MAX PLUS WIRELESS · 2 entries]
- Fast charging and higher output over the original are the standout gains; fan noise under load or fast charging is the top complaint. [SOLIX C1000 Gen 2 · 3 entries]
- A1
“The RIVER 3 Max Plus (Wireless) can go from empty to full from mains in around 2.3 hours, which is very quick given its capacity.”
Wandering Bird blog — 'REVIEW: Ecoflow River 3 Max Plus- vanlife essential or not?' · 2025-11 · [positive]
- A2
“The RIVER 3 Series is quiet. Very quiet. It's listed as only making 30dB.”
Wandering Bird blog — 'REVIEW: Ecoflow River 3 Max Plus- vanlife essential or not?' · 2025-11 · [positive]
- A5
“UPS (Uninterruptible Power Supply) switching on the RIVER 3 Plus/Max models is under 10 milliseconds... your devices won't suddenly power off.”
Wandering Bird blog — 'REVIEW: Ecoflow River 3 Max Plus- vanlife essential or not?' · 2025-11 · [positive]
- A7
“The only noticeable difference during high-power use is the increased fan noise.”
Root-Nation.com — 'EcoFlow River 3 Max Review' (covers sibling River 3 Max, mentions Max Plus family) · 2025-05 · [mixed]
- A9
“Given that EcoFlow markets the RIVER 3 Plus with 'wireless' in its feature set... some buyers may expect a Qi wireless charging pad on top. It doesn't have one.”
BackupPowerHub.com — 'EcoFlow RIVER 3 Plus Review' (base Plus model, not Max Plus Wireless — included for contrast/confusion risk noted by owners/reviewers) · 2026-03 · [negative]
- B1
“Fast HyperFlash charging — a full recharge in roughly 49 minutes, noticeably quicker than the original C1000's ~58-80 minutes.”
thepowerpick.com / macrumors.com — Anker SOLIX C1000 Gen 2 review · 2026 · [positive]
- B2
“Fan noise is the single most common complaint — nearly silent at low load (about 35 dB under 200W), but the fans ramp up audibly during fast charging or heavy output, reaching around 55 dB at 1,000W-plus.”
outdoorgearlab.com / technerdo.com — C1000 Gen 2 review · 2026 · [negative]
- B3
“The higher continuous output crosses a useful threshold over the original — enough to run a standard 1,500W space heater with headroom to spare.”
thepowerpick.com / mensjournal.com — C1000 Gen 2 review · 2026 · [positive]
- B4
“Reviewers describe it as a refined, powerful, fast-charging update to a popular 1kWh platform, widely rated the mid-size unit to beat in 2026.”
thepowerpick.com / powerstationadvisor.com — C1000 Gen 2 review · 2026 · [positive]
Research compiled July 14, 2026.
Who Should Buy Which
Buy the RIVER 3 MAX PLUS WIRELESS if you…
- →Your loads are low-draw and capacity-bound — laptop, CPAP, lighting — and you'd rather have 172 more Wh, 4.1 fewer pounds, and a quieter fan than power you won't use.
- →You're buying mainly on price; $50 less and a wider relative surge cushion matter more to you than raw wattage.
Buy the SOLIX C1000 Gen 2 if you…
- →You need to run an actual appliance — a space heater, tools, anything with a real motor — where 2,000W continuous and fast solar refill matter.
- →You're cycling the unit daily rather than occasionally; the extra 1,000 rated cycles and lower cost per lifetime kWh compound over years of use.
If neither fits
If your real need is a two-night camping trip (about 2,100Wh) or an 8-hour multi-appliance blackout (about 1,645Wh), both of these fall well short — look at a larger-capacity unit from either brand instead of choosing between these two.
The Bottom Line
This comes down to whether your loads ever approach 600W. Anker's SOLIX C1000 Gen 2 wins the power engine outright with three times the output, triple the solar input, and a longer rated cycle life — real advantages for anyone running actual appliances or refilling fast off-grid.
The RIVER 3 Max Plus Wireless answers with a cheaper price, a bigger tank, a quieter fan, and — despite the smaller inverter — a proportionally wider surge cushion. For low-draw, capacity-bound use, that's the better buy; for everything else, take the Anker.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Which is quieter, the RIVER 3 Max Plus Wireless or the SOLIX C1000 Gen 2?
The RIVER, by a rated 5dB (30dB vs 35dB), and reviewers confirm the Anker's fans ramp up audibly during fast charging or heavy output. Under light, everyday loads the gap is smaller, but the RIVER is the more consistently quiet of the two.
Does a higher surge rating always mean a safer margin for starting a fridge or compressor?
Not necessarily. The RIVER's surge sits at roughly 2.0 times its continuous rating, while Anker's sits at roughly 1.5 times — despite Anker's bigger absolute surge number, its cushion relative to its own rating is proportionally thinner. Check the ratio, not just the watts, for finicky compressor startups.
Which one charges faster from solar?
The SOLIX C1000 Gen 2, with a 600W solar ceiling against the RIVER's 200W — triple the input. For off-grid, panel-dependent trips, that's the more decisive spec than either unit's battery size.
Which is cheaper to own over time?
Anker, narrowly — $0.16 per lifetime kWh against the RIVER's $0.17, driven by its extra 1,000 rated cycles. The RIVER's $50 lower purchase price closes most of that gap, so it's not a decisive difference either way.
Which one should I actually buy?
If you need to run a real appliance or refill fast from panels, take the SOLIX C1000 Gen 2. If your use is quiet, low-draw, and capacity-bound — CPAP, laptop, remote work — the RIVER is $50 cheaper, holds more Wh, and runs quieter doing it.
Related comparisons
Where to buy

EcoFlow RIVER 3 MAX PLUS WIRELESS
$599.00
$599.00 list · direct from EcoFlow

Anker SOLIX C1000 Gen 2Pick
$549.99
$549.99 list · direct from Anker
Prices may vary by retailer and are subject to change.