Head-to-head test
Anker SOLIX S5000 vs Goal Zero Yeti 1500 (6th Gen)
Real-world runtimes, scenario verdicts, and ownership costs compared — which wins for your use case.
Full profiles: Anker SOLIX S5000 → · Goal Zero Yeti 1500 (6th Gen) →
Written by Gunner GustafsonUpdated
Whole-Home Backup Tester, Station Arena Test Desk
Spec deltas
The Anker SOLIX S5000 (5,024Wh) and Goal Zero Yeti 1500 (6th Gen) (1,505Wh) sit in different weight classes. The real question: do your power needs justify the larger unit, or would you be overpaying for capacity that sits unused? The SOLIX S5000 has a slight edge, but the margin is close enough that your use case should break the tie.
What the spec gap means in practice: the SOLIX S5000's 4,500W inverter has the headroom for a window AC, a full-size fridge, and power tools. The Yeti 1500 (6th Gen)'s 2,000W inverter still runs most single appliances; the SOLIX S5000's real edge is surge headroom for the biggest motor starts and stacking several heavy loads at once. On stamina, the SOLIX S5000 keeps a fridge alive for roughly 28 hours vs the Yeti 1500 (6th Gen)'s 9 hours. The cost? Portability. At 97 lbs, the SOLIX S5000 is heavy enough to make you think twice about moving it. The Yeti 1500 (6th Gen) at 52.8 lbs is more manageable, though still not light.
Pick the SOLIX S5000 if your primary use is weekend camping or 8-hour blackout. Go with the Yeti 1500 (6th Gen) if its specific strengths below line up better with your use. Most buyers stop at the sticker price and miss this: over a full lifespan the SOLIX S5000 works out to about $0.08/kWh against the Yeti 1500 (6th Gen)'s $0.25, a gap that compounds in the SOLIX S5000's favor the more you cycle it. Keep scrolling for the full breakdown. The scenario verdicts below hold a few surprises.
Bench Notes
What each unit does well, where it falls short, and the trade-offs that matter.
Anker SOLIX S5000
With a massive 4,500W output (and 8,000W surge), the SOLIX S5000 can run high-wattage appliances like space heaters, hair dryers, and electric grills without tripping. Weighing in at 97 lbs, this is not a unit you want to carry far. It's best suited as a stationary backup or RV companion. A standout feature is the value proposition: at roughly $0.50 per watt-hour, it's one of the most cost-effective options on the market.
Strengths
- +Larger battery capacity
- +Higher AC output
- +Faster solar charging
- +Rated for 6,000 charge cycles — much longer battery lifespan
Trade-offs
- –Substantially more expensive (+$1,000) than the Yeti 1500 (6th Gen).
- –Significantly heavier (+44.3 lbs), making it harder to move.
- –Very heavy unit that may be difficult for one person to lift.
Goal Zero Yeti 1500 (6th Gen)
The 2,000W inverter handles most daily devices like laptops, blenders, and TVs, but will struggle with heating elements that require over 1500W. Weighing in at 52.8 lbs, this is not a unit you want to carry far. It's best suited as a stationary backup or RV companion.
Strengths
- +Costs $1,000 less
- +Lighter by 44.3 lb
Trade-offs
- –Weaker inverter (-2,500W) limits appliance compatibility.
- –Sealed capacity — the SOLIX S5000 can add batteries to grow past 1,505.3Wh; this one can't.
- –Shorter-lived battery — rated for 4,000 charge cycles vs the SOLIX S5000's 6,000, so it wears out sooner.
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 S5000
The Yeti 1500 (6th Gen) doesn't finish — 1,279Wh usable against the 2,100Wh this needs leaves it 821Wh short, about 61% of the scenario covered. The SOLIX S5000 covers it with 2,170Wh to spare.
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 S5000
The Yeti 1500 (6th Gen) doesn't finish — 1,279Wh usable against the 1,645Wh this needs leaves it 366Wh short, about 78% of the scenario covered. The SOLIX S5000 covers it with 2,625Wh 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
A CPAP is about 40W for eight hours, so both of these cover the night several times over — capacity isn't the question here. What would separate them is fan noise, but Yeti 1500 (6th Gen) doesn't publish a figure, so there's nothing to hold it to. Buy on price, weight, and whether you can live with a fan you haven't heard.
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 S5000
The SOLIX S5000 clears the workday at 21% used, banking 3,360Wh — late work, extra calls, or a second laptop charge without arithmetic. The Yeti 1500 (6th Gen) at 71% also finishes, with 369Wh of slack for the unplanned.
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
SOLIX S5000
Both handle game day; the SOLIX S5000 keeps more in reserve (16% used vs 52%). Tailgating is a light load, though, so the number you'll feel is weight: 52.8 lbs for the Yeti 1500 (6th Gen) against 97 lbs for the SOLIX S5000, from the trunk to the setup spot.
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 covers this scenario's 4,685Wh: the SOLIX S5000 comes up 415Wh short (about 91% covered) (its nameplate 5,024Wh actually clears this — the flat 15% conversion allowance is what tips it under), the Yeti 1500 (6th Gen) 3,406Wh (27%). Treat this as partial cover — enough for the essentials in it, not the whole list.
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 S5000 runs 20.8h vs 6.2h.
$2,499.99 list · direct from Anker
Planning for more than this? Describe your whole setup and get it sized →
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 0–284.7hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–56.9hHigh-Draw Appliances
These reveal the real limitsscale 0–4.3h¹ 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
July 10, 2026
Verdict: the SOLIX S5000, on Power Score margin
These two units are closely matched on individual specs, but our Power Score analysis gives the SOLIX S5000 the edge with a composite score of 6,378 vs 2,822.
Overall score margin: 6,378 vs 2,822 (+126.0%)
List prices as of July 10, 2026. The links below open Anker's and Goal Zero's current prices.
$2,499.99 · direct from Anker
Last checked 2 hours ago. Prices move — check before you buy.
or check the Yeti 1500 (6th Gen) price$1,499.95 list
Written by Gunner Gustafson, Whole-Home Backup Tester · Station Arena Test Desk · Updated July 10, 2026
Black Friday · 25 days out
Price to beat:Yeti 1500 (6th Gen) $1,500
We have never seen it discounted, so any real cut would be a first.
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, CPAP, Tailgating, 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.
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 S5000 rates 4.6/5 (74th percentile of 20 Home Backup-class units), and Yeti 1500 (6th Gen) rates 3.4/5 (4th percentile of 27 Everyday-class units).
How the class ranking is computed →Test Notes & Caveats
Hidden gotchas and advantages we spotted that you won't find on the product page.
SOLIX S5000: 97 lbs Is a Commitment
At 97 lbs, this is manageable but not fun to move. That's heavier than a large checked suitcase. How much it costs you depends on whether it rolls — wheels and a telescoping handle change the job completely at this weight, and our spec record doesn't track them, so look at the product photos before you plan on carrying it from the car.
Yeti 1500 (6th Gen): Fixed Capacity
The Yeti 1500 (6th Gen) is sealed at 1,505Wh — fine if that covers you, but it's the ceiling. By contrast the SOLIX S5000 can add expansion batteries, though the first thing it has over the Yeti 1500 (6th Gen) is its own 5,024Wh base — expansion is the step after that, for the buyer who would outgrow 5,024Wh as well.
UPS Switchover: ≤10ms vs ≤15ms
Both list a UPS mode, at different rated speeds. The SOLIX S5000 is rated ≤10ms — quick enough on paper that desktop PCs and routers should ride through, treating that as the rating it is. The Yeti 1500 (6th Gen) is rated ≤15ms — fine on paper for routers and most electronics; the fussiest PC power supplies sit right at this line. If a computer with unsaved work is the thing being protected, the stated class is worth the attention; nothing here is a lab result.
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 1500 (6th Gen) works out at 3.3 years of cover per $1,000 spent against the SOLIX S5000's 2, but that spread is the price gap, not the terms.
Battery Lifespan in Real Years
The SOLIX S5000 is rated for 6,000 cycles vs 4,000. In real life: at daily use, that's 16.4 vs 11 years. At weekend use (twice a week), it's 58 vs 38 years. One caution reading years across different sizes: a cycle is 5,024Wh on the SOLIX S5000 and 1,505Wh on the Yeti 1500 (6th Gen), so count lifetime energy — roughly 30,144 kWh against 6,021 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.
Yeti 1500 (6th Gen): Noise Level Not Disclosed
The SOLIX S5000 publishes its noise level (30dB); the Yeti 1500 (6th Gen) doesn't publish one. That isn't evidence the Yeti 1500 (6th Gen) is louder — it means there's no figure to hold it to, and no way to compare the two on this without hearing them. If you're buying for a bedroom, a CPAP, or an apartment, treat the SOLIX S5000's 30dB as the only published number on the table — a spec-sheet figure, not a measurement — and look for hands-on reports of the Yeti 1500 (6th Gen) before deciding.
Full record above — the Test Desk pick is the SOLIX S5000.
Check SOLIX S5000 price →or check the Yeti 1500 (6th Gen) 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 1500 (6th Gen) is cheaper to buy, but the SOLIX S5000 is cheaper to own. At $0.08/kWh over its lifetime vs $0.25/kWh, the SOLIX S5000's higher cycle life and capacity make each dollar go further over the years.
Delivers each lifetime kWh for $0.17 less — check the SOLIX S5000 price →
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
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
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.
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
US-based company (Salt Lake City, owned by NRG Energy). Historically considered premium support, but 2025-2026 reports describe long wait times, unresponsive email communication, and tickets going unaddressed for weeks. The "premium support justifies premium pricing" argument is weakening.
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
Goal Zero positions itself as a premium brand with stronger support infrastructure, while Anker competes on value. The question is whether the Goal Zero ecosystem and support premium is worth it for your use case.
Growth path
SOLIX S5000
EXPANDABLESupports Anker expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 5,024Wh.
Accepts up to 3,000W of solar. Enough for a serious multi-panel array.
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.
Yeti 1500 (6th Gen)
FIXED CAPACITYFixed at 1,505Wh, with no expansion — so size it for your needs up front rather than planning to add capacity later.
Accepts up to 900W of solar. Suitable for a 1-2 panel setup.
Generous port selection supports complex multi-device setups.
Realistic full solar rechargeat 70% of rated panel output — see methodology
Analyst note
The Yeti 1500 (6th Gen) is sealed at 1,505Wh, which is fine if that covers you. The SOLIX S5000 starts at 5,024Wh and can grow beyond it with Anker expansion batteries — real headroom the Yeti 1500 (6th Gen) doesn't have if your needs climb toward partial-home backup.
The Bottom Line
The full picture comes down to this. The SOLIX S5000 edges ahead on our overall analysis, but the margin is narrow enough that your specific use case should drive the decision. Review the scenario verdicts above — if the Yeti 1500 (6th Gen) wins in the scenarios that match your life, it's the right choice regardless of aggregate scores.
If neither the SOLIX S5000 nor the Yeti 1500 (6th Gen) feels like the right fit, your power needs probably sit outside what these two target. Use our comparison tool above to explore alternatives that better match your specific wattage and runtime requirements. Prices on portable power stations fluctuate frequently. Both Anker and Goal Zero discount regularly, so check the current price before committing. Prime Day and Black Friday pricing typically drops 20-30%.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Is the SOLIX S5000 worth $1,000 more than the Yeti 1500 (6th Gen)?
The short answer: yes, if you'll actually use the extra capability. The SOLIX S5000 costs $1,000 more, but that premium buys you 3,518.7Wh more battery capacity (that's 20 extra hours of running a mini-fridge); 2,500W higher AC output (opening the door to more demanding appliances); a longer-lasting battery rated for 6,000 cycles — that's 16 years at daily use; 2,100W faster solar charging for quicker off-grid recovery. On a cost-per-watt-hour basis, you're paying $0.50/Wh vs $1.00/Wh. Factor in cycle life and the math flips: the SOLIX S5000 costs $0.08/kWh over its lifetime vs $0.25/kWh. The "expensive" unit is actually cheaper to own. For regular use, we'd pay the premium.
How does the 3,518.7Wh capacity difference actually affect daily use?
The SOLIX S5000's 5,024Wh battery keeps a mini-fridge running for roughly 28 hours vs the Yeti 1500 (6th Gen)'s 9 hours. Where it really matters: during an 8-hour blackout running your fridge, router, lights, AND charging your phone simultaneously (about 1,645Wh total), the SOLIX S5000 handles it while the Yeti 1500 (6th Gen) runs dry. What specs don't mention: runtime drops 20-30% in cold weather (below 32°F/0°C) as battery chemistry slows down. The SOLIX S5000's extra capacity provides a critical cold-weather buffer. For occasional phone and laptop charging, both are overkill. This gap only matters for sustained, multi-appliance use.
Can I actually carry the SOLIX S5000, or is the Yeti 1500 (6th Gen) the only portable option?
Neither is "portable" in any hiking sense. The Yeti 1500 (6th Gen) (52.8 lbs) and the SOLIX S5000 (97 lbs) are both appliances you place and leave. The 44.3-lb difference matters when loading into a vehicle or moving between rooms, but that's about it. If true portability is your priority, look at units under 20 lbs in a different class entirely.
How fast can each unit recharge from solar panels in real conditions?
On paper, the SOLIX S5000 accepts 3,000W vs the Yeti 1500 (6th Gen)'s 900W of solar input. What the spec sheet won't tell you: solar panels typically deliver only 60-80% of their rated output due to panel angle, cloud cover, and temperature. In realistic conditions, expect full recharge in about 2.4 hours for the SOLIX S5000 and 2.4 hours for the Yeti 1500 (6th Gen). That gap widens on cloudy days, when the SOLIX S5000's higher input ceiling captures more of whatever sunlight is available. One more thing: summer gives you ~7 productive solar hours per day. Winter drops to ~4. If solar is your primary recharge method, the SOLIX S5000's advantage is substantial.
"6,000 vs 4,000 cycles" — what does that actually mean for me?
In real years: the SOLIX S5000 (6,000 cycles) lasts 16.4 years at daily use, 58 years at weekend use (twice a week), or 250 years at twice-monthly camping trips. The Yeti 1500 (6th Gen) (4,000 cycles): 11.0 years daily, 38 years weekends, or 167 years twice-monthly. What most people miss: hitting the cycle limit doesn't kill your battery. Capacity drops to about 80%. Your 5,024Wh unit becomes a ~4,019Wh unit. Still very usable. For weekend users, both batteries will outlast the warranty by years.
What if I need more capacity than the Yeti 1500 (6th Gen)'s 1,505.3Wh later?
The Yeti 1500 (6th Gen) is sealed at 1,505.3Wh, so if you expect your needs to climb, the SOLIX S5000 is the more future-proof pick: it starts at 5,024Wh and adds Anker-compatible batteries without replacing the base unit. That said, "not expandable" isn't a flaw on its own — if 1,505.3Wh comfortably covers your loads, the Yeti 1500 (6th Gen) is a complete unit, not a downgrade.
Is Anker or Goal Zero more reliable for long-term ownership?
Both brands have strengths and trade-offs. Anker: 5-year warranty standard on portable stations, 10-year on home energy systems. Historically very reliable, though some recent firmware updates have altered product functionality without notice or rollback option. Goal Zero: 5 years on LFP models, 2 years on older NMC models. Battery must be charged within 7 days of purchase and every 6 months to maintain warranty (strict). Product reliability concerns have increased — repeat "Battery Fault" errors reported even on newer Yeti Pro 4000. One piece of advice from the power station community: regardless of brand, buy from Costco or Amazon. Their return policies provide a safety net that manufacturer warranties alone can't match, especially for a product you'll rely on in emergencies. Both brands use LFP (lithium iron phosphate) batteries in their current lineup, the most proven chemistry for longevity and safety.
Bottom line: should I buy the SOLIX S5000 or the Yeti 1500 (6th Gen)?
We'd pay the premium for the SOLIX S5000. Yes, it costs more. The capability jump is real: you're stepping into a tier that handles appliances the base model can't start. The Yeti 1500 (6th Gen) is still solid if budget is the priority, but the SOLIX S5000 will leave you less likely to wish you'd "gone bigger" six months from now. That regret costs more than the price difference.
Where to buy
Anker SOLIX S5000Pick
$2,499.99
$2,499.99 · direct from Anker
Last checked 2 hours ago. Prices move — check before you buy.
Goal Zero Yeti 1500 (6th Gen)
$1,499.95
$1,499.95 · direct from Goal Zero
Last checked 2 hours ago. Prices move — check before you buy.
Prices may vary by retailer and are subject to change.