Head-to-head test
Anker SOLIX C1000 Gen 2 vs BLUETTI AC180
The AC180 gives you more battery for less money. The C1000 Gen 2 asks $31 more for being 10.4 pounds lighter and for being the only one of the two that takes an expansion battery.
Full profiles: Anker SOLIX C1000 Gen 2 β Β· BLUETTI AC180 β
Looking for a different matchup? Anker SOLIX C1000 vs BLUETTI AC180
Written by Ian SchneiderUpdated
Solar & Off-Grid Tester, Station Arena Test Desk
Spec deltas
My cabin sits at the top of a driveway that gets plowed when it gets plowed. So the first thing I'd notice about these two is the carry. The Anker SOLIX C1000 Gen 2 weighs 24.9 pounds. The BLUETTI AC180 weighs 35.3. One of those is a single trip from the truck. The other is a stop halfway up to switch hands.
The AC180 pays you back for the extra weight. It holds 1,152Wh to the Anker's 1,024, and it costs $31 less. On a remote workday of laptop, monitor and router, that extra capacity is what gets it to the evening. The Anker falls about 40Wh short, roughly one small gadget's worth across the day.
The Anker's argument is about later. It takes an expansion battery, a second pack that plugs into the same station and adds runtime. The AC180 is sealed, so what ships is what it will ever hold. That only matters if you'll outgrow 1,152Wh. Plenty of people never will.
What the Numbers Reveal
Each conclusion stated first β the numbers behind it on one line, the full analysis below.
weight
Every trip with the AC180 means 10.4 more pounds in your arms. If you later need more capacity, its only answer is a second full station. The Anker's answer is a pack that clips onto the box you already own.
The Anker weighs 24.9 lbs against the AC180's 35.3 lbsOnly the Anker supports capacity-expansion batteries
Why it mattersIf this goes in and out of a car or up stairs often, or your needs might grow, weigh that before the AC180's lower price.
Reviewers describe the same thing on both. The fans stay calm at light loads and ramp up hard during fast chargingA2B1. BLUETTI offers a silent charging mode that trades speed for quietB1.
The Anker is rated at 35dB against the AC180's 40dBAnker owners still name fan noise as their most common complaint once it ramps up during fast charging
Why it mattersIf quiet charging matters to you, plan on hearing either one while it refills, and don't let the spec-sheet decibels pick for you.
Capacity
The lifetime cost follows. Spread over its rated cycles, the AC180 stores energy for $0.12 per kWh against the Anker's $0.13. That gap is small, because the Anker's pack is rated for more cycles.
The AC180 costs $499 against the Anker's $530The AC180 holds 1,152Wh against the Anker's 1,024Wh
Why it mattersIf all you want is the most capacity per dollar, the AC180 is the buy, and you keep the $31.
Switchover is the moment between the grid dropping and the battery taking over. Anker rates it at no worse than 10ms, BLUETTI at no worse than 20ms. Neither figure changes what either unit can run. They matter for narrower jobs, like a desktop that reboots at the smallest blip, or a laptop that charges from USB-C instead of its brick.
The Anker's UPS switchover is rated under 10ms against the AC180's under 20msThe Anker's USB-C tops out at 140W against the AC180's 100W
Why it mattersIf you protect a desktop or a NAS, or you live on USB-C charging, the Anker has a real but narrow edge.
The specific dimensions that decide these two units β everything else is a tie.
Your Life, Your Pick
Selected because: Remote Workday is the one scenario where they split. Everything else is a tie or a shared miss.
Only the remote workday separates these two. The AC180 finishes it with a little left over. The Anker comes up about 40Wh short, and its nameplate capacity would clear the day. What tips it under is the flat allowance we take off every unit for conversion losses. Trim one small device and it gets there.
Weekend camping, the 8-hour blackout and a van-life day beat both of them by a wide margin. That's a bigger-station problem. A CPAP night and a tailgate fit easily in either, so for those jobs I'd decide on weight and price.
Lifetime Value
Selected because: The lifetime math favors the AC180, and the verdict has to answer that honestly.
cost / lifetime kWh
Over the rated life of each pack, the AC180 stores energy for $0.12 per kWh and the Anker for $0.13. The AC180 starts cheaper. The Anker is rated for more cycles, which pulls the two close together.
That math assumes you never outgrow the AC180. If you do, the next step is a second station, and the spreadsheet doesn't see that bill coming. The Anker's expansion port is insurance against that day, and you pay for it up front.
What the Specs Don't Tell You
Selected because: Expansion and UPS speed are the two concrete, spec-true tiebreakers.
rated cycles
The AC180 has no expansion path. The Anker's UPS switchover is rated faster, which matters only for gear that can't ride through even a short gap. BLUETTI also gives the AC180 a mode called Power Lifting. It runs a resistive heater or kettle rated above the inverter by feeding it less power, so the heater just warms more slowly. That isn't surge, and it does nothing for a fridge compressor or a pump.
Both carry a five-year warranty. On the AC180 that term depends on buying direct from BLUETTI or registering the unit.
Growth Path
Selected because: Expandability is what this pair is really decided on.
solar input
The Anker takes Anker's expansion batteries. The AC180's growth path is buying a second AC180, which is less a path than a second receipt.
One honest catch. The Anker starts 128Wh smaller, so its first expansion pack partly buys back capacity the AC180 already has. Most buyers never touch the port. If I could already picture the winter my loads outgrew 1,152Wh, though, I'd pay for the Anker and not think twice.
Strengths & trade-offs
Anker SOLIX C1000 Gen 2
Strengths
- +Lighter by 10.4 lb
- +Higher AC output
- +Faster solar charging
Trade-offs
- βNo major technical downsides compared to rival.
BLUETTI AC180
Strengths
- +Costs $31 less
- +Larger battery capacity
Trade-offs
- βSignificantly heavier (+10.4 lbs), making it harder to move.
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
Neither unit covers this scenario's 2,100Wh: the SOLIX C1000 Gen 2 comes up 1,230Wh short (about 41% covered), the AC180 1,121Wh (47%). Treat this as partial cover β enough for the essentials in it, not the whole list.
Battery budget usedlower = more headroom
LOADΒ Β Phone Charger 15WΓ6h Β· LED Lights 40WΓ8h Β· Box Fan 75WΓ14h Β· CPAP Machine 40WΓ16h
SCN-02 Β· 8 hours Β· needs 1,645Wh
8-Hour Blackout
Keep the essentials running through a night without power
Neither unit
Neither unit covers this scenario's 1,645Wh: the SOLIX C1000 Gen 2 comes up 775Wh short (about 53% covered), the AC180 666Wh (60%). Either gets you most of the way, so this is a scenario you plan around rather than one you should rule them out for.
Battery budget usedlower = more headroom
LOADΒ Β Fridge 150WΓ8h Β· Router + Modem 20WΓ8h Β· LED Lights (4 bulbs) 40WΓ6h Β· Phone Charger 15WΓ3h
SCN-03 Β· 8 hours Β· needs 320Wh
CPAP Overnight
Sleep therapy without interruption β the #1 medical use case
Either unit
Both clear a CPAP night with most of the tank left. Capacity isn't the question for this job, so I'd pick on weight and price.
Battery budget usedlower = more headroom
LOADΒ Β CPAP Machine 40WΓ8h
SCN-04 Β· 8 hours Β· needs 910Wh
Remote Workday
Full work day off-grid without power anxiety
AC180
The AC180's extra capacity does the work here. It finishes a laptop, monitor and router day with a little in hand. The Anker comes up about 40Wh short, so you'd trim one device or end the day a bit early.
Battery budget usedlower = more headroom
LOADΒ Β Laptop 60WΓ8h Β· External Monitor 30WΓ8h Β· Router + Modem 20WΓ8h Β· Phone Charger 15WΓ2h
SCN-05 Β· 4 hours Β· needs 670Wh
Tailgate Party
Game day power for the crew
Either unit
Both handle game day easily. Since capacity isn't the deciding factor, weight is: at 24.9 lbs the SOLIX C1000 Gen 2 is the one you'll be glad you brought. Fan noise under load is worth a listen too β it's audible in the lulls between songs.
Battery budget usedlower = more headroom
LOADΒ Β Blender 400WΓ0.5h Β· LED TV (55") 80WΓ4h Β· Bluetooth Speaker 15WΓ4h Β· Phone Charger (Γ3) 45WΓ2h
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
Neither unit covers this scenario's 4,685Wh: the SOLIX C1000 Gen 2 comes up 3,815Wh short (about 19% covered), the AC180 3,706Wh (21%). This is well outside what either unit is for; the right answer here is a larger station, not a choice between these two.
Battery budget usedlower = more headroom
LOADΒ Β Mini-Fridge 150WΓ24h Β· Laptop 60WΓ4h Β· Phone Charger 15WΓ3h Β· LED Lights 40WΓ5h Β· Fan 75WΓ8h
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
For this load: AC180 runs 4.8h vs 4.2h.
$499 list Β· direct from BLUETTI
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 0β65.3hComfort & Convenience
Makes off-grid life actually enjoyablescale 0β13.1hHigh-Draw Appliances
These reveal the real limitsscale 0β1hΒΉ 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 Anker SOLIX C1000 Gen 2
The AC180 wins the numbers. It holds 128Wh more, costs $31 less, and is the only one of the two that finishes the remote workday. Over its rated life it also stores energy a little more cheaply, $0.12 per kWh against $0.13. We still lean to the C1000 Gen 2, for two reasons a spreadsheet can't weigh. It is 10.4 pounds lighter. And it is the only one that takes an expansion battery, so outgrowing it means adding a pack instead of buying a second station. Its UPS switchover is also rated faster, no worse than 10ms against 20ms. If you know 1,152Wh is enough and the unit mostly stays put, keep the money and buy the AC180.
Today the SOLIX C1000 Gen 2 is $499.99, $30 under its typical $529.99 and the AC180 is $449, $50 under its typical $499. The verdict weighs typical prices, not today's. Prices checked 28 days ago.
Editor-assigned confidence, based on cited owner research and spec analysis.
List prices as of October 25, 2026. The links below open Anker's and BLUETTI's current prices.
$499.99 Β· direct from Anker
down from $530 Β· 6% below usual
Last checked 28 days ago. Prices move β check before you buy.
or check the AC180 price$449.00 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:SOLIX C1000 Gen 2 $450AC180 $449
The lowest we have recorded for each. A Black Friday price above it is a sale that unit has already had.
Measured Data
Benchmark scores and the full spec record, side by side.
Benchmark scores
Full specifications
α΅ Derived: price Γ· rated capacity. See the data behind our comparisons β
Comparison ToolAdd more power stations, side by sideOpen Tool βHow 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 βClass 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, SOLIX C1000 Gen 2 rates 4.9/5 (96th percentile of 27 Everyday-class units), and AC180 rates 4.4/5 (65th percentile of 27 Everyday-class units).
How the class ranking is computed βTest Notes & Caveats
Hidden gotchas and advantages we spotted that you won't find on the product page.
The AC180's Growth Path Is a Second AC180
There's no expansion port on the AC180, so what ships is the ceiling. The Anker takes expansion batteries. Because the Anker starts smaller, that only pays off once you need more than the AC180 already holds.
AC180: Power Lifting to 2,700W
The AC180 has BLUETTI's Power Lifting mode, which runs a resistive appliance rated up to 2,700W from its 1,800W inverter. It does that by delivering less power than the appliance asks for, not more than the inverter has: the heater still works, it just heats more slowly. Two things follow. BLUETTI scopes the mode to purely resistive loads β a heater, a kettle, an incandescent lamp β so it does nothing for a fridge compressor, a pump or a power tool; for motor loads the figure to read is the AC180's separate 2,700W surge peak, not this one. And it is not a reason to size down, because running a load that big from 1,152Wh is a short session either way. Genuinely useful if a heater or a kettle is why you're buying; beside the point otherwise. The SOLIX C1000 Gen 2 publishes no equivalent.
Faster Switchover, Narrow Use
Anker rates the switchover at no worse than 10ms, BLUETTI at no worse than 20ms. Both are ratings, not lab results. The gap matters for a desktop or a NAS that drops at the smallest blip, and for little else.
Warranty: No Difference
Both units carry the same 5-year warranty, so coverage isn't a tiebreaker here. The AC180's figure is a maximum rather than a guarantee β it depends on buying direct from BLUETTI or registering the unit, since reseller purchases carry a shorter term.
Full record above β the Test Desk pick is the SOLIX C1000 Gen 2.
Check SOLIX C1000 Gen 2 price βor check the AC180 priceOwnership Analysis
What happens after you buy β 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
β warranty ends Β· Reaching the cycle rating means ~80% capacity remains β degraded, not dead.
Analyst note
Both units have similar long-term ownership costs ($0.13/kWh vs $0.12/kWh). The price difference is what you see on the sticker β neither is a hidden bargain or rip-off.
Brand trust
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 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
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 β 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.
BLUETTI
Ecosystem
One of the broadest lineups β 15-20+ models from budget (AC2A) to flagship portable (Apex 300, 2764.8Wh). Includes specialized products: vehicle solar hubs, sodium-ion cold-weather units, and balcony storage systems.
Support
The most inconsistent support in the space. Heavily email-based with China timezone delays. Some users get smooth, efficient service; others report weeks of troubleshooting runarounds, being offered discounts on new units instead of repairs, and confusing third-party purchase claim processes. Buying direct from Bluetti's website tends to produce better support outcomes.
Community
Active and growing β Reddit r/bluetti has a dedicated community. Second-largest after EcoFlow in engagement.
App experience
Rated 4.5/5 iOS and Android β tied for best app experience in the category. V3.0 UI redesign was well-received.
Unique strength
Among the best capacity-to-price ratios available β several Elite and Apex units are the lowest $/Wh in the catalog. Widest product diversity including industry-firsts like sodium-ion cold-weather units and dual solar+alternator vehicle hubs. LFP across the rest of the range, though rated cycle life spans 2,500 (EB3A) to 6,000, and it varies WITHIN the Elite range rather than tracking it β the Elite 300 and Elite 200 V2 are rated 6,000 while the Elite 30 V2, Elite 10 Mini, Elite 320 and Elite 400 are rated 3,000+ and the Elite 100 V2 4,000+, so check the specific model. Dual-voltage (120V/240V) in flagships.
Worth knowing
Customer support inconsistency is the #1 risk factor. Older/discontinued units may become unrepairable β no spare parts policy for some models. Some reports of erratic communication from support agents.
Analyst note
Neither brand's support is what it was. Anker's SOLIX desk has slid from its old reputation toward generic replies and awkward returns on heavy units. BLUETTI's support is the most inconsistent in the space, and buying direct tends to go better. Anker brings the bigger consumer-electronics name. BLUETTI brings the wider power-station lineup if you ever want to trade up within the brand.
Growth path
SOLIX C1000 Gen 2
EXPANDABLESupports Anker 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 600W 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.
AC180
FIXED CAPACITYFixed at 1,152Wh, with no expansion β 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.
Realistic full solar rechargeat 70% of rated panel output β see methodology
Analyst note
Don't read the SOLIX C1000 Gen 2's expandability as a straight win here: it starts at 1,024Wh, below the AC180's 1,152Wh, so a first expansion battery largely buys back capacity the AC180 already includes. It only pulls ahead if you'd grow past 1,152Wh β short of that, the AC180's larger fixed capacity is the simpler value.
What Owners Report
Patterns from published owner reports and long-term reviews β every claim cited to its source below.
Anker SOLIX C1000 Gen 2
Reviewers call the C1000 Gen 2's HyperFlash charging a real step up from the original, noticeably quicker to refillA1. Its higher continuous output is enough to run a standard space heater with headroom leftA3. The overall read is a refined update to a platform reviewers already rated the mid-size unit to beatA4.
The recurring complaint is fan noise. It's quiet at low load, then the fans ramp up audibly during fast charging or heavy outputA2. You get the speed, and you hear it.
βFast HyperFlash charging β a full recharge in roughly 49 minutes, noticeably quicker than the original C1000's ~58-80 minutes.β
Sources
thepowerpick.com Β· macrumors.com Β· outdoorgearlab.com Β· technerdo.com Β· mensjournal.com Β· powerstationadvisor.com
BLUETTI AC180
The AC180's reputation rests on value. Reviewers don't call it the lightest or the smartest, but they consistently call it the most power and capacity for the moneyB4. The cells are rated for 3,500-plus cycles, backed by a five-year warrantyB3.
Weight is the honest catch. One reviewer named it their biggest frustration when moving the unit aroundB2. Fan reports are mixed. Some find it fairly quiet from a few feet away, others call the fans aggressive while charging, and a silent charging mode trades speed for less noiseB1.
βFan noise draws mixed reports β some find it fairly quiet from a few feet, others call the fans aggressive and loud, especially during charging; a silent charging mode caps the noise by limiting charge speed.β
Sources
outdoorgearlab.com Β· storagereview.com Β· kenrockwell.com Β· voltagebasics.com Β· bluettipower.com Β· backuppowerhub.com Β· solarwithwatts.com Β· pcworld.com
Sources & Research Notes
Every owner claim in this report is traceable to a published source. The bracketed references above resolve here.
Recurring owner themes
- Fast charging 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 Β· 3 entries]
- Best-in-class value and capacity-per-dollar are the consistent praise; the weight and aggressive fans under load are the recurring caveats. [AC180 Β· 2 entries]
- A1
βFast HyperFlash charging β a full recharge in roughly 49 minutes, noticeably quicker than the original C1000's ~58-80 minutes.β
thepowerpick.com / macrumors.com β Anker SOLIX C1000 Gen 2 review Β· 2026 Β· [positive]
- A2
βFan noise is the single most common complaint β 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.β
outdoorgearlab.com / technerdo.com β C1000 Gen 2 review Β· 2026 Β· [negative]
- A3
βThe higher continuous output crosses a useful threshold over the original β enough to run a standard 1,500W space heater with headroom to spare.β
thepowerpick.com / mensjournal.com β C1000 Gen 2 review Β· 2026 Β· [positive]
- A4
βReviewers describe it as a refined, powerful, fast-charging update to a popular 1kWh platform, widely rated the mid-size unit to beat in 2026.β
thepowerpick.com / powerstationadvisor.com β C1000 Gen 2 review Β· 2026 Β· [positive]
- B1
βFan noise draws mixed reports β some find it fairly quiet from a few feet, others call the fans aggressive and loud, especially during charging; a silent charging mode caps the noise by limiting charge speed.β
outdoorgearlab.com / storagereview.com β BLUETTI AC180 review Β· 2025-2026 Β· [mixed]
- B2
βAt roughly 35-37 lbs it's heavy for its class β one reviewer named the weight their biggest frustration when moving it around.β
kenrockwell.com / voltagebasics.com β AC180 review Β· 2025-2026 Β· [negative]
- B3
βQuality LiFePO4 cells rated for 3,500-plus full cycles before capacity degrades to 80%, backed by a 5-year warranty.β
bluettipower.com / backuppowerhub.com β AC180 review Β· 2025-2026 Β· [positive]
- B4
βThe definition of bang for buck β not the lightest or smartest, but the most raw power and capacity for the price; widely called the best value in the mid-range at around $499.β
solarwithwatts.com / pcworld.com β BLUETTI AC180 review Β· 2025-2026 Β· [positive]
Research compiled October 25, 2026.
What Owners Actually Report
Drawn from 64 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.
Anker SOLIX C1000 Gen 2
22 claims from 14 comments Β· 18 from owners Β· 6 with figures
- Price & value
- 4 Β· 0% negative
- Runtime
- 3 Β· 15% negative
- UPS switchover
- 2 Β· 0% negative
- Inverter & surge
- 1 Β· 0% negative
- Solar input
- 1 Β· 0% negative
What owners complain about
Gen 2 loses the gen 1's ability to add an expansion battery.
Expandability23 agreedsource β
Same app failure as his other brands: paired devices go missing on later launches.
App & firmwareowner2 agreedsource β
Can only pull 100W from the C1000 Gen 2's 12V ports and cannot confirm how XT60i sensing works.
Otherownersource β
What owners praise
Two units keep his gas furnace, three fridge/freezers and network alive for 5+ hours.
Runtimemeasuredowner15 agreedsource β
Anker 1000 gen 2's edge is a 2000W inverter, also at 25 pounds.
Inverter & surgemeasuredowner8 agreedsource β
Got the C1000 gen 2 on sale for $379 plus a $219 200W panel.
Price & valuemeasuredowner6 agreedsource β
BLUETTI AC180
77 claims from 50 comments Β· 53 from owners Β· 20 with figures
- Price & value
- 17 Β· 10% negative
- Solar input
- 8 Β· 7% negative
- Size & weight
- 6 Β· 55% negative
- Runtime
- 4 Β· 38% negative
- Other
- 6 Β· 70% negative
What owners complain about
Is 30% larger and 25% heavier than the Anker, which the comparison chart never mentioned.
Size & weightmeasuredowner198 agreedsource β
The AC inverter eats 22W on its own, his major disappointment with the unit.
Idle drainmeasuredowner18 agreedsource β
Low-wattage loads get about 50% less runtime; a 700Wh/day fridge gets ~20 h, not 1.5 days.
Runtimemeasuredowner18 agreedsource β
What owners praise
BLUETTI's eBay refurb units are near-new with full warranty at 50-60% under MSRP.
Price & valuemeasuredowner56 agreedsource β
1800W and 1152Wh at 30 lbs is his current sweet spot for moving between house and camper.
Size & weightmeasuredowner42 agreedsource β
Pulled 390W from a 400W panel into the AC180; calls it a perfect fit.
Solar inputmeasuredowner17 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.
Who Should Buy Which
Buy the SOLIX C1000 Gen 2 if youβ¦
- βYou carry this in and out of a car, up stairs or between campsites often enough that 10.4 fewer pounds is a difference you'll feel every time.
- βYou aren't sure your power needs are done growing, and you'd rather add a battery than buy a second station.
Buy the AC180 if youβ¦
- βYou want the most capacity for the least money and have no plans to expand. The AC180 is $31 cheaper and 128Wh bigger.
- βYour heaviest real day is a CPAP night or a tailgate afternoon, and the unit mostly stays in one place.
If neither fits
If your real need is a two-night camping trip or an 8-hour multi-appliance blackout, both fall well short. The AC180 covers about 60% of that blackout and the Anker about 53%. Look at a larger unit in either brand's lineup instead of choosing between these two.
The Bottom Line
The AC180 wins the spreadsheet. It's bigger, it costs less, and it finishes the one scenario where these two split. The Anker wins a question the spreadsheet can't answer, which is whether your power needs are finished growing.
If they are, buy the AC180 and keep the $31. If you're not sure, or you carry the thing often, the Anker's lighter body and expansion port are worth paying for now. The AC180's only upgrade is another AC180.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Is the Anker SOLIX C1000 Gen 2 worth $31 more than the BLUETTI AC180?
Only if you'll use what the extra money buys: an expansion path, 10.4 fewer pounds and a faster-rated UPS switchover. On capacity per dollar the AC180 wins, and it costs $0.12 per lifetime kWh against the Anker's $0.13. A buyer who just wants cheap capacity should keep the $31.
Which one is easier to carry?
The Anker, by 10.4 lbs (24.9 lb against 35.3 lb). That matters if you lift it in and out of a car or up stairs regularly. For a unit that mostly stays put, the weight gap matters far less.
Does the BLUETTI AC180 support expansion batteries?
No. What you buy is what you get, and outgrowing 1,152Wh means buying a separate unit. The Anker C1000 Gen 2 is the one of these two that supports expansion batteries.
Which one is quieter?
The published ratings can't settle it. Anker rates the C1000 Gen 2 at 35dB and BLUETTI rates the AC180 at 40dB, but each maker measures its own way. Reviewers report fans ramping up on both during fast charging, so expect noise from either during a real recharge.
Which one should I buy for a power outage?
Neither covers an 8-hour multi-appliance blackout on its own. Between the two, the AC180's bigger 1,152Wh tank and lower price make it the better base purchase. The Anker pulls ahead only if you plan to add expansion capacity later.
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Where to buy

Anker SOLIX C1000 Gen 2Pick
$499.99
$499.99 Β· direct from Anker
down from $530 Β· 6% below usual
Last checked 28 days ago. Prices move β check before you buy.

BLUETTI AC180
$449.00
$449.00 Β· direct from BLUETTI
down from $499 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.