Head-to-head test
Anker SOLIX F2600 vs BLUETTI AC200MAX
The F2600 is the newer platform in every way that matters during an actual outage — faster recharge, real UPS protection — while the AC200MAX is the design BLUETTI itself has already started retiring in favor of the AC200L.
Written by Gunner GustafsonUpdated
Whole-Home Backup Tester, Station Arena Test Desk

Anker
SOLIX F2600
4,326Power Score · Appliance Class
$999.99 list · direct from Anker

BLUETTI
AC200MAX
3,590Power Score · Appliance Class
$1,199.00 list · direct from BLUETTI
Spec deltas
Pay $300 more and the SOLIX F2600 gives you 512Wh more capacity, a charger that refills 0-80% in about 78 minutes, and the only UPS protection between these twoA1. The AC200MAX counters with a wider surge ceiling — 4,800W against the F2600's 2,800W — and a lower cost per lifetime kilowatt-hour, 17 cents against 20.
Run the numbers against an actual weekend camping load — 2,100Wh — and the gap stops being abstract. The F2600 covers it at 97% of its capacity, room to spare. The AC200MAX doesn't cover it at all: 121% of what it holds. That's not a rounding error, it's the AC200MAX running dry before the trip does.
BLUETTI has already moved past this exact unit. Owners and reviewers describe the newer AC200L fixing the AC200MAX's loudest fans and slowest chargingB1B2B3 — worth knowing if you're set on the badge but flexible on the model.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
Capacity
In a real multi-day outage where you're topping off from a generator every morning, the F2600 finishes its charge and is back on duty while the AC200MAX is still working through its second hour on the same task — despite starting with less to fill in the first place.
F2600 recharges 0-80% in about 78 minutes via HyperFlashA1AC200MAX takes roughly two hours to reach most of a chargeB2F2600 holds 512Wh more than the AC200MAX (2,560Wh vs 2,048Wh)
Why it mattersAnyone recharging mid-outage rather than running one battery down to empty should weight recharge speed over the $300 gap.
continuous output
Fridge and AC compressors spike 2-3x their rated draw on startup. The AC200MAX's inverter can nearly double its own rated output to absorb that; the F2600 has room for barely a sixth more. If the actual job is starting a compressor, the older, cheaper unit is the one built to take the hit.
F2600 surge rating is 2,800W against 2,400W continuous, a 1.17x ratioAC200MAX surge rating is 4,800W against 2,200W continuous, a 2.18x ratio
Why it mattersBuyers whose real load is a fridge or window AC should check the surge ratio, not the sticker capacity — here it favors the AC200MAX.
weight
For a home office or a networking closet, that's the difference between a desktop that reboots mid-outage and one that never notices the power blinked. 8.6 lbs and $300 is a fair trade for hardware that keeps something running through the outage, not just after it.
F2600 ships with documented UPS protection at a 20ms switchover; the AC200MAX has no switchover spec listedF2600 weighs 70.5 lbs against the AC200MAX's 61.9 lbs, 8.6 lbs more
Why it mattersAnyone protecting always-on electronics — router, NAS, desktop — should treat UPS as the deciding spec, not a bullet point.
The specific dimensions that decide these two units — everything else is a tie.
Your Life, Your Pick
Selected because: Weekend camping is where the capacity gap actually bites — worth leading with.
A weekend camping trip needs about 2,100Wh, and that number is the whole matchup. The F2600 lands at 97% of capacity — tight, but it gets you through. The AC200MAX lands at 121%, which means it runs out with the trip unfinished.
Everything else is closer. Both handle an 8-hour blackout, a CPAP overnight, a remote workday, and a tailgate party without drama — the F2600 just does it with more margin (76% of capacity on the blackout load against the AC200MAX's 94%). Neither touches van-life daily use; that's a different category of unit entirely.
Lifetime Value
Selected because: Honest that AC200MAX is cheaper per kWh; needs surfacing plainly.
cost / lifetime kWh
The AC200MAX is the cheaper unit to own over its life: 17 cents per kilowatt-hour delivered against the F2600's 20, on top of a $300 lower sticker price. If your only filter is dollars per watt-hour over the warranty period, this section says buy the AC200MAX and stop reading.
That math doesn't account for what you're buying with the extra 3 cents — a faster recharge and UPS protection the AC200MAX simply doesn't have. Whether that's worth the premium depends on whether you ever recharge mid-outage or run something that can't tolerate a power blink; if you don't, the cost-per-kWh number is the one to trust.
What the Specs Don't Tell You
Selected because: Surge ratio, UPS, and undisclosed F2600 noise are the real differentiators.
rated cycles
Two gotchas cut against the F2600 here. It doesn't disclose a noise rating at all, so the AC200MAX's documented 50dB under load is at least a known quantity — and its surge ratio (1.17x) is the thinner of the two, meaning the AC200MAX's inverter actually has more headroom for a hard compressor start despite being the older design.
The one gotcha that cuts the other way is UPS: the F2600 has real pass-through protection and the AC200MAX doesn't. Three specs, two different winners — read the gotchas before you assume the pricier unit sweeps the category.
Portability & Form Factor
Selected because: 8.6 lb gap is worth a sentence given both are two-hands lifts.
weight
70.5 lbs versus 61.9 lbs is an 8.6 lb gap — noticeable but not decisive. Both are two-hands, bent-knees lifts out of a trunk; neither is a unit you're carrying up a flight of stairs solo without planning the route first.
Brand Trust
Selected because: Cross-brand pair; AC200MAX's age relative to Anker's newer platform is relevant.
This is an Anker-versus-BLUETTI matchup, but it's really an Anker-versus-an-aging-BLUETTI-design matchup — the AC200MAX is the platform BLUETTI itself is already moving past with the AC200L. That context matters more than either brand's general reputation for this specific pair.
Anker's SOLIX support has reportedly gotten more generic and AI-driven for return logistics on heavy units, while BLUETTI's support stays the more inconsistent of the two overall. Neither brand is a clean win on service — the product-level facts above should carry more weight than the badge.
Strengths & trade-offs
Anker SOLIX F2600
Strengths
- +Costs $199 less
- +Larger battery capacity
- +Higher AC output
- +Longer warranty
- +Faster solar charging
Trade-offs
- –No major technical downsides compared to rival.
BLUETTI AC200MAX
Strengths
- +Lighter by 8.6 lb
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
SOLIX F2600
This is the scenario that separates them. A typical weekend load runs about 2,100Wh; the F2600 covers it with headroom to spare, and the AC200MAX comes up short of its own capacity before the trip is over.
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
SOLIX F2600
Both units clear an 8-hour blackout load, but the F2600 does it using less of what it has — 76% of capacity against the AC200MAX's 94% — which is the margin you want if the outage runs longer than planned.
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
Both are wildly overqualified for CPAP. You're using 18% or less. Save your money and buy whichever is cheaper; the extra capacity is completely wasted on a 40W overnight load. Put the savings toward a second battery for multi-night trips.
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
SOLIX F2600
The SOLIX F2600 gives you a comfortable buffer at 42%. Enough to work late, join extra video calls, or charge a second device without worry. The AC200MAX at 52% works but leaves less room for the unexpected. For daily remote work, that peace of mind matters.
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
Either unit
Both handle game day easily. Since capacity isn't the deciding factor, consider weight: the lighter unit is easier to load into a truck bed. Also check if either has Bluetooth speaker-level noise. Fan sound matters in social settings.
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: SOLIX F2600 runs 10.6h vs 8.5h.
$999.99 list · direct from Anker
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 0–145.1hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–29hHigh-Draw Appliances
These reveal the real limitsscale 0–2.2h¹ 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 F2600
The F2600 costs $300 more and will never be the cheaper unit to own — $0.20 per lifetime kWh against the AC200MAX's $0.17. But it wins the scenario that actually matters: a 2,100Wh weekend camping load, which the F2600 covers at 97% of capacity while the AC200MAX can't cover at all, landing at 121%. Add a recharge that finishes in about 78 minutes instead of roughly two hours, plus the only real UPS protection of the two, and the premium buys real function, not just a bigger number on the box. Buyers chasing the lowest cost per watt-hour, or anyone who genuinely needs the AC200MAX's much wider surge cushion, should still take the discount and buy it anyway.
Editor-assigned confidence, based on cited owner research and spec analysis.
List prices as of July 14, 2026. The links below open Anker's and BLUETTI's current prices.
$999.99 list · direct from Anker
or check the AC200MAX price$1,199.00 list
Written by Gunner Gustafson, Whole-Home Backup 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): UPS, Apartment Balcony.
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, SOLIX F2600 rates 4.0/5 (42nd percentile of 25 Large-class units), and AC200MAX rates 3.4/5 (4th percentile of 25 Large-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.
Weight Reality Check
Neither unit is grab-and-go. The AC200MAX (61.9 lbs) is manageable solo but heavier than a large checked suitcase. The SOLIX F2600 (70.5 lbs) is noticeably heavier. That's a 9 lb difference.
AC200MAX: 50dB Under Load
50dB is about as loud as moderate rainfall. If you're running a CPAP or sleeping near this unit, the fan noise may be noticeable. Most people find anything above 45dB disruptive for sleep.
The Older Unit Has the Bigger Surge Cushion
The AC200MAX's 4,800W surge rating against a 2,200W continuous output is a 2.18x ratio — nearly double the F2600's 1.17x. For a hard compressor start, that's a real advantage for the cheaper, older unit.
F2600 Is the Only One With Real UPS Protection
A 20ms switchover keeps sensitive electronics from rebooting mid-blink. The AC200MAX has no switchover spec listed, so treat it as pass-through, not UPS-grade, for anything that can't tolerate an interruption.
Warranty Value Comparison
The SOLIX F2600 gives you 5 years of warranty per $1,000 spent, vs the AC200MAX's 3.3 years. That's 1.5× more coverage per dollar. An underrated factor if you're keeping this unit for years.
F2600's Noise Level Isn't Published
The AC200MAX's fan noise is a documented 50dB under load — not quiet, but at least known. The F2600 doesn't publish a number, so buyers sensitive to fan noise are working from owner reports, not a spec sheet.
Full record above — the Test Desk pick is the SOLIX F2600.
Check SOLIX F2600 price →or check the AC200MAX 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 F2600 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
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
Anker's consumer-electronics scale backs the SOLIX line, and InfiniPower cells are built for long cycle life — the F2600's 3,000-cycle rating carries a 5-year warranty behind it.
Worth knowing
SOLIX-specific support has reportedly gotten more generic, with return logistics on heavy units getting more complicated — a real trade against Anker's historically strong reputation.
BLUETTI
Ecosystem
One of the broadest lineups — 15-20+ models from budget (AC2A) to flagship (Apex 300, 3072Wh). 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 — Reddit r/bluetti has a dedicated community. Second-largest after EcoFlow in engagement.
App experience
Rated 4.5/5 iOS and Android — tied for best app experience in the category. V3.0 UI redesign was well-received.
Unique strength
BLUETTI's lineup spans budget to flagship with full LFP standardization, and the AC200MAX still carries a respectable 3,500-cycle rating.
Worth knowing
This specific unit is the one BLUETTI itself has started superseding — its known issues (loud fans, slow AC charging, a dated app) are the exact list the newer AC200L was built to fix.
Analyst note
Neither brand wins support outright — Anker's is trending more generic, BLUETTI's stays the more inconsistent of the two. For this pair specifically, product age matters more than badge: the AC200MAX is a platform on its way out, the F2600 is current.
Growth path
SOLIX F2600
EXPANDABLESupports Anker expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 2,560Wh.
Accepts up to 1,000W of solar. Enough for a serious multi-panel array.
Generous port selection supports complex multi-device setups.
Expansion batteries are Anker-specific. You're investing in the Anker ecosystem.
AC200MAX
EXPANDABLESupports BLUETTI expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 2,048Wh.
Accepts up to 900W of solar. Suitable for a 1-2 panel setup.
Generous port selection supports complex multi-device setups.
Expansion batteries are BLUETTI-specific. You're investing in the BLUETTI ecosystem.
Realistic full solar rechargeat 70% of rated panel output — see methodology
Analyst note
Both expand, so neither locks you out of growth — decide on capacity, price, and the rest, not the expansion checkbox.
What Owners Report
Patterns from published owner reports and long-term reviews — every claim cited to its source below.
Anker SOLIX F2600
The headline field report on the F2600 is charging speed: HyperFlash gets it from 0 to 80% in about 78 minutes, which is the kind of number that matters when a blackout doesn't schedule itselfA1. Owners separately praise the inverter's headroom, quiet operation, and an app that doesn't require fighting firmware to useA3. The one recurring gripe is the expansion cable design — owners say it could be more space-efficient when you're routing it around a tight setupA3. It's expandable to 4,608Wh through Anker's BP2600 module if 2,560Wh stops being enoughA2, and it's built on InfiniPower LFP cells rated for 3,000 cycles behind a 5-year warranty, which reviewers single out for outage performance specifically, not just spec-sheet longevityA4.
“Packs 2,560Wh into the same footprint as the F2000, with HyperFlash fast charging reaching 0-80% in about 78 minutes.”
Sources
backuppowerhub.com · ankersolix.com · homedepot.com · outboundpower.com · samsclub.com · batteryskills.com · thesolarlab.com
BLUETTI AC200MAX
The AC200MAX's owner record reads like a unit that did its job well enough to get replaced. Fans run noticeably loud under load — well into the 50s dBA at a meter, by independent measurementB1 — and AC charging is a common frustration, taking roughly two hours to reach most of a chargeB2. The broader consensus is that it was a popular, solidly capable mid-range unit whose real frustrations — slow charging, an app that felt like an afterthought, aging LFP chemistry — are exactly what BLUETTI addressed in the AC200L that followed itB3. It still carries a respectable 3,500-cycle rating and a 4-year warrantyB4, so none of this makes it a bad unit — just a dated one.
“The AC200MAX was a popular mid-range unit with solid capacity and an expandable battery, but its frustrations included slow charging, aging LFP chemistry, and an app that felt like an afterthought — the AC200L addresses nearly every one of these.”
Sources
diysolarforum.com · offgridbenchmark.com · firstquadcopter.com · bluettipower.eu · techradar.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 HyperFlash charging, quiet operation, a good app, expandability, and a 5-year warranty are the standout praise for this 2,560Wh unit. [SOLIX F2600 · 3 entries]
- The AC200MAX is the older generation — louder, slower to charge, weaker app — that the AC200L was built to improve on. [AC200MAX · 3 entries]
- A1
“Packs 2,560Wh into the same footprint as the F2000, with HyperFlash fast charging reaching 0-80% in about 78 minutes.”
backuppowerhub.com / ankersolix.com — SOLIX F2600 review · 2026 · [positive]
- A2
“Expandable via the BP2600 battery module, scaling total capacity to 4,608Wh through Anker's proprietary link cable.”
homedepot.com / outboundpower.com — SOLIX F2600 / BP2600 · 2026 · [positive]
- A3
“Owners praise ample inverter power, quiet operation, and a user-friendly app; some suggest the cable design could be more space-efficient.”
samsclub.com / batteryskills.com — SOLIX F2600 owner reviews · 2026 · [positive]
- A4
“InfiniPower LFP rated for 3,000 cycles with a 5-year warranty; well-received for power-outage performance and ease of use.”
backuppowerhub.com / thesolarlab.com — SOLIX F2600 review · 2026 · [positive]
- B1
“The AC200MAX's fans are noticeably louder than the newer AC200L — measured well into the 50s dBA under load at 1 meter, versus the AC200L staying barely audible under moderate load.”
diysolarforum.com / offgridbenchmark.com — AC200MAX vs AC200L noise · 2026 · [negative]
- B2
“Slow AC charging is a common frustration — the AC200MAX takes roughly two hours to reach most of a charge, versus well under an hour for the AC200L.”
offgridbenchmark.com / firstquadcopter.com — AC200L vs AC200MAX · 2026 · [negative]
- B3
“The AC200MAX was a popular mid-range unit with solid capacity and an expandable battery, but its frustrations included slow charging, aging LFP chemistry, and an app that felt like an afterthought — the AC200L addresses nearly every one of these.”
offgridbenchmark.com — AC200L review / comparison · 2026 · [mixed]
- B4
“Still a solid, well-liked expandable power station with LFP chemistry rated around 3,500 cycles (roughly nine years of useful life) and a 4-year warranty, versus the AC200L's 5-year.”
bluettipower.eu / techradar.com — AC200MAX · 2026 · [mixed]
Research compiled July 14, 2026.
Who Should Buy Which
Buy the SOLIX F2600 if you…
- →Anyone who recharges mid-outage rather than running one full battery down — the 78-minute top-off compounds over a multi-day event.
- →Home-office or networking setups where a power blink, not just a blackout, is the failure mode you're protecting against — the F2600's UPS mode is the reason to pay the $300.
Buy the AC200MAX if you…
- →Buyers optimizing strictly for cost per watt-hour over the unit's life — the AC200MAX is cheaper to own by every lifetime measure here.
- →Anyone running a compressor-driven fridge or window AC as the primary load — the AC200MAX's wider surge ratio is built for exactly that startup spike.
If neither fits
Van-life daily power draw runs about 4,685Wh — both units land north of 200% of that, meaning neither is sized for full-time rig living. That buyer should be looking at a larger fixed or expandable system, not either of these.
The Bottom Line
The AC200MAX is the better spreadsheet: cheaper up front, cheaper per lifetime kWh, and a wider surge cushion for anything with a compressor in it. The F2600 is the better outage tool: it refills in 78 minutes instead of two hours, and it's the only one of the two that actually protects always-on electronics through a power blink rather than just after one.
Buy the F2600 if the scenario you're planning for involves recharging mid-event or keeping something running without a hiccup. Buy the AC200MAX if the scenario is a fridge that needs to survive its own startup surge and you'd rather keep the $300.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Is the SOLIX F2600 worth $300 more than the AC200MAX?
If you recharge mid-outage or need real UPS protection for always-on electronics, yes — the F2600 refills in about 78 minutes and is the only one of the two with pass-through UPS. If you're optimizing purely for cost per watt-hour, the AC200MAX is cheaper to own and the $300 doesn't pay for itself.
Does the BLUETTI AC200MAX have UPS protection?
No switchover spec is listed for it, and the F2600 is the one of these two documented with real UPS pass-through at a 20ms switchover. If uninterrupted power for a desktop or router is the goal, that's a point for the F2600.
Which one recharges faster?
The F2600, by a wide margin — HyperFlash charging gets it to 80% in about 78 minutes, while the AC200MAX takes roughly two hours to reach most of a charge. That gap matters most when you're topping off between outage events, not just running one down.
Should I buy the AC200MAX or wait for BLUETTI's AC200L?
If you're committed to the BLUETTI badge, the AC200L is the newer version of this same platform and owners describe it fixing the AC200MAX's loudest fans and slowest charging. If you're comparing against the F2600 specifically, the AC200MAX's lower lifetime cost per kWh still stands on its own regardless of which BLUETTI model you'd pick.
Which has better surge power for starting a fridge?
The AC200MAX, despite being the older and cheaper unit. Its 4,800W surge rating against a 2,200W continuous output gives it a 2.18x cushion, versus the F2600's 1.17x — a real advantage for hard compressor starts.
Where to buy

Anker SOLIX F2600Pick
$999.99
$999.99 list · direct from Anker

BLUETTI AC200MAX
$1,199.00
$1,199.00 list · direct from BLUETTI
Prices may vary by retailer and are subject to change.