Head-to-head test
Anker SOLIX F3800 PLUS vs Goal Zero Yeti 500
The only real question here is which job you're buying for: a 132-pound home-backup appliance that never leaves the garage, or a 16-pound box that goes anywhere but taps out a quarter of the way through a blackout.
Full profiles: Anker SOLIX F3800 PLUS → · Goal Zero Yeti 500 →
Written by Gunner GustafsonUpdated
Whole-Home Backup Tester, Station Arena Test Desk
$2,599.99 · direct from Anker
Last checked 8 hours ago. Prices move — check before you buy.
$499.95 · direct from Goal Zero
Last checked 8 hours ago. Prices move — check before you buy.
Spec deltas
One of these is a 132-pound appliance you wire into your house and leave alone; the other is a 16-pound box you carry to the campsite with one hand. The Anker SOLIX F3800 PLUS and the Goal Zero Yeti 500 sit in the same product category the way a chest freezer sits in the same category as a lunch cooler: both store energy, and that is roughly where the resemblance stops.
The numbers set the gap. The F3800 holds 3,840Wh to the Yeti's 499Wh, nearly eight times the energy, and it costs $2,600 to the Yeti's $500, a little over five times the price. They only both turn up in one kind of scenario, riding out a power outage, and even there they don't tie: the Yeti can't finish a single evening's essential load while the F3800 has energy to spare.
So the honest verdict is a question before it's a winner: what job are you buying for? If you need a house kept partly alive through a multi-day outage, the F3800 is the only one of the two that can do it, and it's quietly the cheaper energy over its life besides. If you need power that travels, the F3800 never leaves the garage and the Yeti becomes the sensible $500 pick. Get the job right and the box is easy.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
cost / lifetime kWh
That per-kWh discount is unclaimable unless you actually cycle the capacity: paying $2,100 more to shave two cents off a kilowatt-hour only pays back if your real loads need something near 11,520 kWh across the unit's life, not a 499Wh night here and there.
F3800 PLUS costs $0.23 per lifetime kWh vs Yeti 500 at $0.25F3800 PLUS is $2,600 up front vs Yeti 500 at $500F3800 PLUS delivers 11,520 kWh over its rated life vs Yeti 500's 1,996 kWh
Why it mattersIf you're eyeing the F3800 because it costs less per kWh, first check you have the load to fill it, or you're buying energy you'll never draw at a premium instead of a discount.
weight
There's almost no real-world job where both are candidates, because the F3800's 3,840Wh is stranded wherever you set 132 pounds down and the Yeti's portability is capped at 499Wh, so which one is usually the wrong question to be asking.
F3800 PLUS weighs 132.3 lbs and is stationaryYeti 500 weighs 16.1 lbs and is carried by handa camping weekend needs about 2,100Wh, of which the Yeti covers about 20%
Why it mattersDecide the job first: if the power has to move with you, neither is ideal and you want a mid-size portable sized nearer the 2,100Wh a weekend actually draws.
Add the F3800's 3,200W of solar input and its expansion batteries and it doesn't just win the 8-hour case, it scales into the multi-day outage the Yeti's sealed 499Wh can't approach, which is exactly the job that justifies its price.
an 8-hour blackout's essential load needs 1,645WhYeti 500 has 424Wh usable and finishes 1,221Wh shortF3800 PLUS covers the same night with 1,619Wh to spare
Why it mattersIf you're shopping this pair to keep the fridge and CPAP alive through a real outage, that's the F3800's job and the Yeti isn't sized for it; spend the money here or not at all.
rated cycles
Counted in energy instead of cycles the ranking flips: the F3800 delivers roughly 5.8 times the lifetime kilowatt-hours despite fewer cycles, so the Yeti's longer rating buys a longer life spent moving far less power.
Yeti 500 is rated for 4,000 cycles vs the F3800 PLUS's 3,000a Yeti cycle is 499Wh while an F3800 cycle is 3,840Whlifetime energy works out to about 1,996 kWh for the Yeti vs 11,520 kWh for the F3800
Why it mattersDon't read 4,000 versus 3,000 cycles as the Yeti being the better long-term value, though if your needs really are small daily top-ups its 11 years of daily use is more life than you'll spend.
The specific dimensions that decide these two units — everything else is a tie.
Portability & Form Factor
Selected because: The matchup is decided before you read a spec sheet: 132.3 lbs that stays put versus 16.1 lbs you carry in one hand sets which jobs each unit can even attempt.
weight
The whole comparison lives in one gap: 132.3 pounds against 16.1. The F3800 Plus is a two-person, bent-knees lift you perform once, then leave alone; Anker builds it to sit in a garage or utility room and wire into your day. The Yeti 500 you carry out to the truck in one hand and set on a picnic table. That 116-pound difference is the entire question of what each unit is for.
It's why the same page can call one of them a backup system and the other a camping accessory without contradicting itself. One is furniture. The other is luggage.
Your Life, Your Pick
Selected because: Across six real loads the two almost never win the same one, and watching how each fails, the F3800 can't travel and the Yeti runs dry, is the fastest way to place yourself.
Line up six real loads and the two units almost never win the same one, because they fail in opposite directions. The Yeti 500 can't finish an 8-hour blackout's essential load: 424Wh of usable energy against 1,645Wh needed leaves it 1,221Wh short, about a quarter of the night. The F3800 covers that same night with 1,619Wh still in the tank, more than a second full outage in reserve.
Hand either one a camping weekend or a tailgate, though, and neither wins, for reasons that have nothing to do with each other. The F3800 has the energy and can't travel to use it; the Yeti travels and runs dry, covering about 20% of a 2,100Wh weekend. There's also a ceiling the spec table understates: at 500W of continuous output the Yeti can't start a standard microwave, a hair dryer, or a rooftop AC at all, while the F3800's 6,000W runs a household panel. If your loads include anything with a heating element or a compressor, the small box isn't a smaller version of the big one; it's a different tool.
Lifetime Value
Selected because: The F3800 is the marginally cheaper energy over its life at 23 cents per kWh to the Yeti's 25, but that edge is only real if you use the 11,520 kWh it's sized to deliver.
cost / lifetime kWh
Here's the twist that catches over-buyers: the F3800 Plus is actually the cheaper energy. Over its rated life it works out to 23 cents per kilowatt-hour against the Yeti's 25, an 8% edge that exists only because the big unit pushes 11,520 kWh across its life to the Yeti's 1,996. You collect that discount by needing almost six times the energy.
So the per-kWh line is a reward for having the load, not a reason to buy the capacity. Spend $2,600 instead of $500 to save two cents a kilowatt-hour and you'll wait a very long time to break even on energy you may never draw. The lifetime math says these two are nearly tied on value; the $2,100 you hand over up front says buy the one sized to your actual loads and stop there.
Growth Path
Selected because: The Yeti is sealed at 499Wh while the F3800 starts at 3,840Wh and adds expansion batteries, which is the line between a backup box and a home-backup system.
solar input
The Yeti 500 is sealed at 499Wh: what you buy is the ceiling, which is fine if 499Wh covers your night. The F3800 Plus starts at 3,840Wh and takes Anker expansion batteries on top, the difference between a backup box and the beginnings of a home-backup system. Pair that with 3,200W of solar input, sixteen times the Yeti's 200W, and it can refill from the sun in a day and scale to ride out a multi-day outage the Yeti simply isn't built to attempt.
If you already know your needs point toward partial-home backup, this is the section that ends the debate. If they don't, it's capacity you'll pay to carry and never use.
Strengths & trade-offs
Anker SOLIX F3800 PLUS
Strengths
- +Larger battery capacity
- +Higher AC output
- +Faster solar charging
Trade-offs
- –Substantially more expensive (+$2,100) than the Yeti 500.
- –Significantly heavier (+116.2 lbs), making it harder to move.
- –Very heavy unit that may be difficult for one person to lift.
- –Shorter-lived battery — rated for 3,000 charge cycles vs the Yeti 500's 4,000, so it wears out sooner.
Goal Zero Yeti 500
Strengths
- +Costs $2,100 less
- +Lighter by 116.2 lb
- +Rated for 4,000 charge cycles — much longer battery lifespan
Trade-offs
- –Weaker inverter (-5,500W) limits appliance compatibility.
- –Sealed capacity — the SOLIX F3800 PLUS can add batteries to grow past 499Wh; this one can't.
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 gives you a powered weekend: the SOLIX F3800 PLUS has the energy but doesn't travel, and the Yeti 500 covers about 20% of the 2,100Wh. One can't go; the other can't finish.
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 F3800 PLUS
The Yeti 500 doesn't finish — 424Wh usable against the 1,645Wh this needs leaves it 1,221Wh short, about 26% of the scenario covered. The SOLIX F3800 PLUS covers it with 1,619Wh to spare.
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 units run a CPAP through the night with room left, so capacity settles nothing here: the Yeti spends about 75% of its usable charge on a 320Wh night and still has a little in hand, the F3800 barely notices it at 10%. Neither one publishes a noise rating, so on either you're buying a fan you haven't heard. That makes this a placement call, and it isn't close: a 16-pound box belongs on the nightstand shelf, and a 132-pound appliance does not go in your bedroom. If the CPAP is the main job, the Yeti is the one you'd actually live with.
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 F3800 PLUS
The Yeti 500 doesn't finish — 424Wh usable against the 910Wh this needs leaves it 486Wh short, about 47% of the scenario covered. The SOLIX F3800 PLUS covers it with 2,354Wh to spare.
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
Neither unit
Neither gives you a powered game day: the SOLIX F3800 PLUS has the energy but doesn't travel, and the Yeti 500 covers about 63% of the 670Wh. One can't go; the other can't finish.
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 belongs in a daily van-life rig, and the numbers aren't close: this load wants about 4,700Wh a day, and even the F3800 covers only about 69% of it before the sun has to catch up, while the Yeti manages 9%. When the bigger of two units still comes up 1,421Wh short, that's the tell you're on the wrong page. Daily off-grid living wants a purpose-built system or a wired install, not a portable of any size.
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 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 F3800 PLUS runs 15.9h vs 2.1h.
$2,599.99 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 0–217.6hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–43.5hHigh-Draw Appliances
These reveal the real limitsscale 0–3.3h¹ 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
August 30, 2026
Verdict: the SOLIX F3800 PLUS, on Power Score margin
If you're truly choosing between only these two, take the F3800 Plus, but know that you're really choosing a job, not a brand. The only scenarios where both units even show up are backup scenarios, and the Yeti 500 can't finish one: it covers about a quarter of an 8-hour blackout's essential load while the F3800 rides that same night out with 1,619Wh to spare. The F3800 also happens to be the marginally cheaper energy over its life, so where they actually compete there's no case for the Yeti. The catch is that most people don't want the overlap. If you need a box you can carry to a campsite, the F3800 can't come and the Yeti is the sane $500 answer; if you need to keep a house partly alive for days, the Yeti was never in the running. Pick the job, and the unit almost picks itself.
Editor-assigned confidence, based on cited owner research and spec analysis.
List prices as of August 30, 2026. The links below open Anker's and Goal Zero's current prices.
$2,599.99 · direct from Anker
Last checked 8 hours ago. Prices move — check before you buy.
or check the Yeti 500 price$499.95 list
Written by Gunner Gustafson, Whole-Home Backup Tester · Station Arena Test Desk · Updated August 30, 2026
Measured Data
Benchmark scores and the full spec record, side by side.
Benchmark scores
Not rated for both units (minimum threshold unmet): UPS, RV Living, Home Backup, CPAP, Tailgating, Food Truck, Apartment Balcony, Camping.
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 F3800 PLUS rates 4.5/5 (73rd percentile of 16 Home Backup-class units), and Yeti 500 rates 4.5/5 (71st percentile of 22 Personal-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.
132 Pounds Is Where You Live With It
132.3 pounds is not a lift you repeat. It's a two-person, bent-knees, keep-it-off-the-stairs move you make once, and then the F3800 lives wherever you set it down. Buy it for a spot it won't leave, a garage, a utility closet, one bay of the RV. If you're picturing carrying power from the house out to the campsite and back, that picture belongs to the Yeti, not to this.
Yeti 500: Fixed Capacity
The Yeti 500 is sealed at 499Wh — fine if that covers you, but it's the ceiling. By contrast the SOLIX F3800 PLUS can add expansion batteries, though the first thing it has over the Yeti 500 is its own 3,840Wh base — expansion is the step after that, for the buyer who would outgrow 3,840Wh as well.
Surge Power: Ratio and Ceiling Disagree
The Yeti 500 holds the higher surge-to-continuous ratio (2× vs 1.5×), but the SOLIX F3800 PLUS holds the higher absolute surge ceiling — 9,000W against 1,000W. These measure different things. The ratio says how much headroom an inverter keeps above its own rating; the ceiling says how big a startup spike it can actually swallow. A motor draws a number of watts at switch-on, not a multiple of someone else's rating, so on raw starting ability the SOLIX F3800 PLUS is the stronger unit here — while the Yeti 500 is the one running further below its own limit at steady state.
Warranty: No Difference
Both units carry the same 5-year warranty, so coverage isn't a tiebreaker here. Worth saying because the per-dollar framing can suggest otherwise: the Yeti 500 works out at 10 years of cover per $1,000 spent against the SOLIX F3800 PLUS's 1.9, but that spread is the price gap, not the terms.
Battery Lifespan in Real Years
The Yeti 500 is rated for 4,000 cycles vs 3,000. In real life: at daily use, that's 11 vs 8.2 years. At weekend use (twice a week), it's 38 vs 29 years. One caution reading years across different sizes: a cycle is 499Wh on the Yeti 500 and 3,840Wh on the SOLIX F3800 PLUS, so count lifetime energy — roughly 1,996 kWh against 11,520 kWh over the rated life. After hitting the cycle limit, the battery doesn't die — it drops to ~80% of original capacity, which is still very usable.
Full record above — the Test Desk pick is the SOLIX F3800 PLUS.
Check SOLIX F3800 PLUS price →or check the Yeti 500 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 Yeti 500 is cheaper to buy, but the SOLIX F3800 PLUS is cheaper to own. At $0.23/kWh over its lifetime vs $0.25/kWh, the SOLIX F3800 PLUS's higher cycle life and capacity make each dollar go further over the years. One caution on the lifespan row: the Yeti 500 takes longer to reach its cycle rating, but a cycle moves a different amount of energy on each unit — the SOLIX F3800 PLUS still delivers more over its shorter horizon (11,520 vs 1,996 kWh). Years measure wear, not usefulness.
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 used to be Anker's calling card, fast and no-hassle, but SOLIX-specific reports have slipped toward canned AI-agent responses, and returning a 132-pound unit means hazmat freight rather than a prepaid box in the mail. The brand name still carries weight; the SOLIX support experience 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
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 — the S2000, F2600 and C1000 are among the better buys per watt-hour in the catalog.
Worth knowing
Firmware updates have pulled features without warning before, so treat it as a connected appliance that can change after you buy it, and plan for both the good and the bad of that.
Goal Zero
Ecosystem
Focused — a compact current line (6th-gen Yeti and Yeti Pro series), the previous-gen X series now out of stock across every model on Goal Zero's own store (checked 2026-09-13: 200X, 500X, 1000X, 1500X, 3000X, 6000X, some listed only as open-box), so buying one new means finding retailer stock, Sherpa power banks for the under-100Wh tier, plus Alta coolers, Nomad/Ranger solar panels, and vehicle integration kits
Support
Goal Zero built its premium price partly on premium support, but that story is weakening: recent reports describe long waits, unanswered email, and tickets sitting for weeks, and the company recently shuttered its official community forums, which stung long-time owners. It's still a US company out of Salt Lake City, but the service edge that justified the markup is thinner than it was.
Community
Small but loyal — strong following in overlanding and preparedness communities. Official community forums were recently shuttered, frustrating long-time users.
App experience
Rated 4.4/5 iOS (~1,200 ratings) but recent reviews skew negative — recurring connectivity issues, crashes, and stability problems.
Unique strength
Pioneer of the portable power market — strongest brand heritage. US-based company with ruggedized, weather-resistant designs (IP ratings vary by model). Integrated "Yeti-Ready" ecosystem with coolers, lights, and vehicle kits.
Worth knowing
Typically the priciest brand per watt-hour — though individual pairings vary, and on some pages the Yeti is the cheaper energy. Support quality has declined from its "premium" standard. Perceived as competitively stagnant vs. faster-innovating Chinese competitors. Reliability reports on newer models are concerning.
Analyst note
Both brands are premium-support reputations sliding at the same moment, so support isn't the tiebreaker it once was on either side. Pick on the hardware and the job, not on which logo promises better service, because neither is promising quite what it used to.
Growth path
SOLIX F3800 PLUS
EXPANDABLESupports Anker expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 3,840Wh.
Accepts up to 3,200W 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.
Yeti 500
FIXED CAPACITYFixed at 499Wh, with no expansion — so size it for your needs up front rather than planning to add capacity later.
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.
Realistic full solar rechargeat 70% of rated panel output — see methodology
Analyst note
The Yeti 500 is sealed at 499Wh, which is fine if that covers you. The SOLIX F3800 PLUS starts at 3,840Wh and can grow beyond it with Anker expansion batteries — real headroom the Yeti 500 doesn't have if your needs climb toward partial-home backup.
What Owners Report
Patterns from published owner reports and long-term reviews — every claim cited to its source below.
Anker SOLIX F3800 PLUS
Field reports on the F3800 Plus lean on review-site testers more than long-term ownersA0. Two things they agree on: runtime falls off hard with load, with one tester stretching a light mix of lights, fridge, and device-charging toward 17 hours, then watching a fridge and freezer together drain the base unit in about 7 hoursA4A5; and the fans stay quiet until you push it, described as barely audible at household loads and only loud past roughly 4,000W or max-speed chargingA10A12.
Support stories split hard. One owner with a large Solix setup described a battery pack making an alarming noise and Anker going silent across more than five support emailsA1; another Solix owner in the same thread reported fast, no-hassle advanced replacements, though we couldn't confirm that second account describes this exact modelA2. On the physical side, the 132-pound bulk draws steady complaints: the wheels roll over grass but stall on small bumpsA8, and aggregated feedback flags portability and packaging even while praising the raw performanceA14. One note worth dating: early reviews hammered idle standby drain, and a later firmware update reportedly cut it by about half, though we couldn't cross-check that against a second ownerA9.
“I've called them and submitted tickets via their portal, always very responsive. They've even done advanced replacement for me.”
Sources
campingsolar.us · cleanenergybusinesscouncil.com
Goal Zero Yeti 500
Field data on the LFP Yeti 500 is genuinely thin, and worth separating from its predecessor: the older Yeti 500X used NMC cells rated around 500 cycles, while this LiFePO4 version is rated 4,000-plus, so old reviews don't transferB0B3. The one real longevity data point we found is a 2026 reviewer who logged 180-plus charge and discharge cycles with minimal observed degradationB4, encouraging, but a long way from a decade of proof.
The rest of the Yeti's case comes from Goal Zero itself rather than owners: the company rates the LFP pack for over 4,000 cycles, its shorthand for more than ten years of daily use to 80% capacity, and says you can plug a full-size refrigerator straight in for up to six hours of outage backupB1B2. Both are brand figures, not field-verified, so weight them accordingly. At about 16 poundsB3, though, one thing needs no verification: this is a unit you carry with one hand.
“The Yeti 500's LiFePO4 battery is rated for 4,000+ cycles, meaning daily use for over 10 years (to 80% capacity at 75F).”
Sources
goalzero.com · rei.com · propaneva.com · portablepowernerd.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
- Owner support experiences with Anker/Solix diverge sharply — some report being ghosted after repeated contact attempts over a hardware fault, while others describe fast, responsive advanced-replacement service. [SOLIX F3800 PLUS · 2 entries]
- Real-world runtime drops off steeply with load: light loads (lights, router, occasional laptop/e-bike charging) stretch toward the ~17-hour mark, but running a fridge and freezer together drains the base unit in around 7 hours. [SOLIX F3800 PLUS · 2 entries]
- Fan noise is reported as low/background during normal household loads and only becomes noticeably audible under heavy loads (4,000W+) or max-speed charging. [SOLIX F3800 PLUS · 2 entries]
- The unit's near-137 lb weight is a recurring friction point: reviewers note the wheels/handles work for moderate use but struggle over rough terrain, and aggregated user feedback flags portability and packaging as concerns despite praise for raw performance. [SOLIX F3800 PLUS · 2 entries]
- High 4,000+ cycle LFP rating and outage-backup capability (including running a fridge for hours) are the standout points. [Yeti 500 · 2 entries]
- A1
“I think it may be a fire hazard with this crazy noise it's making. I have emailed Anker support over 5 times... Anker support is ghosting me after I spent over 20k on their solix line and solar panels within a month.”
DIY Solar Forum — "Big issue with Anker Solix F3800 plus battery pack (Large Anker Solix setup)" · 2025-08 · [negative]
- A2
“I've called them and submitted tickets via their portal, always very responsive. They've even done advanced replacement for me.”
DIY Solar Forum — "Big issue with Anker Solix F3800 plus battery pack (Large Anker Solix setup)" (reply from another Solix owner) · 2025-08 · [positive]
- A4
“You would be able to keep a fridge or freezer running, charge a few laptops or phones, maybe charge up an e-Bike and the F3800 Plus base unit would last about 17 hours before needing a recharge.”
Digital Trends — "Anker Solix F3800 Plus review: this power station wins for versatility and value" · 2025-05 · [positive]
- A5
“With both the freezer and my fridge plugged in at the same time, I was about to get 7.34 hours before the unit was completely drained.”
Digital Trends — "Anker Solix F3800 Plus review: this power station wins for versatility and value" · 2025-05 · [mixed]
- A8
“The big wheels in the back are enough to go over grassy terrain, but avoid anything too challenging. Small bumps can be enough to slam everything to a halt.”
AppleInsider — "Anker Solix F3800 Plus portable power station review: investment in reliable home power" · 2025-08 · [mixed]
- A9
“Early reviews focused heavily on the standby drain of the Anker SOLIX F3800 Plus. Anker later released a firmware update that said it can cut idle use by about 50%.”
VoltNest — "Anker SOLIX F3800 Plus Review: My Honest Test Results" · 2026-04 · [mixed]
- A10
“Under normal loads (lights, fridge, TV), the fans are barely audible. It only gets loud when you're pulling over 4,000W or charging at max speed.”
CampingSolar.us — "Anker SOLIX F3800 Plus Review: The Ultimate 240V Home & RV Power" · 2026-02 · [positive]
- A12
“It doesn't match the whisper-quiet performance of the EcoFlow Delta Pro Ultra, which remains one of the quietest power stations we've ever tested, but the F3800 Plus is still surprisingly quiet, even when you're really pushing it.”
TheSolarLab — "Anker SOLIX F3800 Plus Review: Big Power, Big Price?" · unknown · [positive]
- A14
“Overall, feedback indicates a mixed experience. Customers appreciate its robust performance but express concerns about portability and packaging.”
CleanEnergyBusinessCouncil.com — "Anker SOLIX F3800 Plus Review: Power Unleashed" (site's summary of user feedback) · 2025-08 · [mixed]
- B1
“The Yeti 500's LiFePO4 battery is rated for 4,000+ cycles, meaning daily use for over 10 years (to 80% capacity at 75F).”
goalzero.com / rei.com — Yeti 500 LFP · 2026 · [positive]
- B2
“Acts as a backup power supply when the grid drops — you can plug a full-size refrigerator directly in for up to six hours of runtime to prevent food waste.”
goalzero.com — Yeti 500 backup · 2026 · [positive]
- B3
“Weighs about 16 lbs, upgraded to LiFePO4 battery technology from the older NMC-based Yeti 500X.”
goalzero.com / propaneva.com — Yeti 500 review · 2026 · [mixed]
- B4
“One 2026 reviewer completed 180+ charge/discharge cycles with minimal observed degradation.”
portablepowernerd.com — Yeti 500 long-term review · 2026 · [positive]
Research compiled August 30, 2026.
Who Should Buy Which
Buy the SOLIX F3800 PLUS if you…
- →You're prepping for the outage that lasts more than a few hours, the multi-day kind, and you want the fridge, the CPAP, and a couple of circuits alive without dragging out a gas generator. The F3800 finishes an 8-hour blackout with 1,619Wh still in reserve and takes solar and expansion batteries to go further.
- →You're building toward partial-home backup and want a base you can grow. Starting at 3,840Wh with room to add batteries, this is a system you scale rather than a box you replace.
- →You park the RV and stay put. At 132.3 lbs the weight is a non-issue when the unit lives in one bay and never comes out, and 6,000W runs real appliances, not just electronics.
Buy the Yeti 500 if you…
- →You want one battery you can actually carry: onto the nightstand for a CPAP, out to the car for a night of camping lights and a small fridge, over to the job site to keep phones, laptops, and sub-500W tools alive. At 16.1 lbs it goes where you go.
- →You want LFP longevity in a small package and you know 499Wh is enough for your night. Rated for 4,000 cycles, it's built to outlast years of light, regular use.
- →You have $500 to spend, not $2,600, and your loads are modest. Nothing about the Yeti pretends to be a home-backup system, and at its size that honesty is the point.
If neither fits
Skip both if your real need is mobile power for a full weekend or a tailgate. The F3800 has the energy but can't travel to it, and the Yeti covers only about a fifth of a 2,100Wh weekend before it's empty; you want a mid-size portable sized nearer that 2,100Wh in a weight you can still lift. And if you're running a daily van-life load closer to 4,700Wh, neither is in the conversation: that's a purpose-built system or a wired install, not a portable of any size.
The Bottom Line
The F3800 Plus wins this head-to-head, but only because the two units overlap in exactly one place, backup, and the Yeti 500 can't finish the job there, covering about a quarter of an 8-hour blackout while the F3800 rides it out with power to spare. On top of that the big unit is quietly the cheaper energy over its life, so where they actually compete there's no argument for the small one.
The more useful takeaway is that most people shopping this pair want one job or the other, not the overlap. If the power has to travel, the F3800 stays home and the Yeti is your $500 answer; if it has to keep a house running for days, the Yeti was never sized for it. Figure out which of those you are, and the 132-pound question answers itself.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Is the Anker SOLIX F3800 Plus overkill next to the Yeti 500?
For most everyday portable-power needs, yes. The F3800 holds 3,840Wh and costs $2,600, against the Yeti's 499Wh at $500, so if your loads fit the smaller box the extra capacity is money spent on energy you never touch. It stops being overkill the moment your job is backup: keeping a fridge, medical gear, and lights running through a long outage is work the Yeti 500 simply can't finish. Overkill and right-sized are the same hardware pointed at different jobs.
Can the Goal Zero Yeti 500 run a refrigerator during a power outage?
For a while, yes. Goal Zero rates the Yeti 500 to run a full-size refrigerator for up to about six hours. But a whole evening's essential load, fridge plus lights, phones, and medical gear, runs closer to 1,645Wh, and the Yeti finishes that about 1,221Wh short. It's a fridge-for-a-few-hours battery, not a ride-out-the-outage system.
Which is cheaper to own over its life, the F3800 Plus or the Yeti 500?
The F3800 Plus, barely, per lifetime kilowatt-hour. But it earns that only by moving far more energy over its rated life, so the discount is a reward for needing the capacity. Up front it's $2,600 against $500, and if your real loads are small the Yeti is the cheaper unit in the only sense your wallet feels.
Can the Yeti 500 power a microwave or an air conditioner?
No. Its inverter tops out at 500W of continuous output, and a standard microwave or a rooftop air conditioner needs well more than that just to run, never mind the startup spike. The F3800 Plus delivers 6,000W and starts household appliances without blinking. If your list includes anything with a heating element or a large compressor, the Yeti isn't built to run it and you need the bigger inverter or a different unit entirely.
Is the F3800 Plus portable enough to take camping?
Not really. At 132.3 lbs it's a two-person lift, and while it rolls on built-in wheels, reviewers found those wheels fine on a lawn but stopped by small bumps. It's designed to be placed once and left, in a garage, a utility room, or one bay of an RV. For power that actually travels with you, the 16.1-pound Yeti 500 is the right tool.
Where to buy
Anker SOLIX F3800 PLUSPick
$2,599.99
$2,599.99 · direct from Anker
Last checked 8 hours ago. Prices move — check before you buy.
Goal Zero Yeti 500
$499.95
$499.95 · direct from Goal Zero
Last checked 8 hours ago. Prices move — check before you buy.
Prices may vary by retailer and are subject to change.