Head-to-head test
Anker SOLIX C800 vs Goal Zero Yeti 500X
Real-world runtimes, scenario verdicts, and ownership costs compared — which wins for your use case.
Full profiles: Anker SOLIX C800 → · Goal Zero Yeti 500X →
Written by Wenny ZhengUpdated
Portable Power Tester, Station Arena Test Desk
No longer sold
Anker has replaced the C800 line with the C800X — at $449.99 it currently ships with a 100W solar panel included, so the newer unit costs less than the C800 did.
SOLIX C800X · $449.99
$499.95 · direct from Goal Zero
Last checked 1 day ago. Prices move — check before you buy.
Spec deltas
The Anker SOLIX C800 (768Wh) and Goal Zero Yeti 500X (497Wh) 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 C800 has a slight edge, but the margin is close enough that your use case should break the tie.
The SOLIX C800 holds 271Wh more than the Yeti 500X — about 4 hours on a fridge against 3 — a real but modest edge that shows up mainly on longer outages. For camping, tailgating, or keeping devices charged, both have the headroom, so price, weight, and longevity lead the decision instead.
Pick the SOLIX C800 if you want the unit that wins the head-to-head on balance. Go with the Yeti 500X 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 C800 works out to about $0.26/kWh against the Yeti 500X's $2.01, a gap that compounds in the SOLIX C800'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 C800
The 1,200W inverter handles most daily devices like laptops, blenders, and TVs, but will struggle with heating elements that require over 1500W. At only 23.8 lbs, it is exceptionally portable. You can easily carry it one-handed to a campsite or tailgating party.
Strengths
- +Larger battery capacity
- +Higher AC output
- +Longer warranty
- +Faster solar charging
- +Rated for 3,000 charge cycles — much longer battery lifespan
Trade-offs
- –Significantly heavier (+10.9 lbs), making it harder to move.
Goal Zero Yeti 500X
At 300W, this unit is strictly for personal electronics (phones, laptops) and small CPAP machines. Do not expect to run kitchen appliances. At only 12.9 lbs, it is exceptionally portable. You can easily carry it one-handed to a campsite or tailgating party.
Strengths
- +Costs $99.1 less
- +Lighter by 10.9 lb
Trade-offs
- –Weaker inverter (-900W) limits appliance compatibility.
- –Lacks smartphone app control for remote monitoring.
- –Shorter-lived battery — rated for 500 charge cycles vs the SOLIX C800's 3,000, 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
Neither unit
Neither unit covers this scenario's 2,100Wh: the SOLIX C800 comes up 1,447Wh short (about 31% covered), the Yeti 500X 1,678Wh (20%). 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
LOAD Phone Charger 15W×6h · LED Lights 40W×8h · Box Fan 75W×14h · CPAP Machine 40W×16h
SCN-02 · 8 hours · needs 1,645Wh
8-Hour Blackout
Keep the essentials running through a night without power
Neither unit
Neither unit covers this scenario's 1,645Wh: the SOLIX C800 comes up 992Wh short (about 40% covered), the Yeti 500X 1,223Wh (26%). Treat this as partial cover — enough for the essentials in it, not the whole list.
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 cover the night with room to spare and capacity decides nothing. Fan noise would — but Yeti 500X 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
Neither unit
Neither unit covers this scenario's 910Wh: the SOLIX C800 comes up 257Wh short (about 72% covered), the Yeti 500X 488Wh (47%). Treat this as partial cover — enough for the essentials in it, not the whole list.
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
The Yeti 500X can start the 400W peak but not hold it — 1,200W of surge gets it going, then the 300W continuous rating takes over, so capacity never gets a say. This is the wrong size of unit for the job rather than a close call. The SOLIX C800 doesn't have the energy either — 653Wh usable against 670Wh, 17Wh short — so neither route works.
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 C800 comes up 4,032Wh short (about 14% covered), the Yeti 500X 4,263Wh (9%). 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
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 C800 runs 3.2h vs 2.1h.
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 0–43.5hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–8.7hHigh-Draw Appliances
These reveal the real limitsscale 0–0.7h¹ 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 C800, on Power Score margin
These two units are closely matched on individual specs, but our Power Score analysis gives the SOLIX C800 the edge with a composite score of 2,163 vs 1,172.
Overall score margin: 2,163 vs 1,172 (+84.6%)
List prices as of July 10, 2026. The links below open Anker's and Goal Zero's current prices.
$599.00 · direct from Anker
Last checked 1 day ago. Prices move — check before you buy.
or check the Yeti 500X price$499.95 list
Written by Wenny Zheng, Portable Power Tester · Station Arena Test Desk · Updated July 10, 2026
Measured Data
Benchmark scores and the full spec record, side by side.
Benchmark scores
Not rated for both units (minimum threshold unmet): UPS, CPAP, Solar Generator, Tailgating.
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 C800 rates 4.1/5 (47th percentile of 20 Compact-class units), and Yeti 500X rates 3.5/5 (14th 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.
SOLIX C800: 45dB Published
45dB is about as loud as a running refrigerator. It is Anker's own rating rather than a reading on a shared bench — makers differ on whether they quote a best case or a figure under load, so treat it as a starting point rather than what you would hear at a bedside. For most people, fan noise around 45dB and up is where sleep starts to suffer.
Yeti 500X: No App Control
Without app control, you have to physically walk to the Yeti 500X to check battery level, adjust settings, or monitor power draw. The SOLIX C800 lets you do all that from your phone, including getting low-battery alerts.
Surge Power: Ratio and Ceiling Disagree
The Yeti 500X holds the higher surge-to-continuous ratio (4× vs 1.3×), but the SOLIX C800 holds the higher absolute surge ceiling — 1,600W against 1,200W. 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 C800 is the stronger unit here — while the Yeti 500X is the one running further below its own limit at steady state.
Only the SOLIX C800 Lists a UPS Mode
The SOLIX C800 can sit between the wall and your gear and hand it to battery when the grid drops — rated ≤20ms — fine on paper for routers and most electronics; the fussiest PC power supplies sit right at this line. Worth it for a router, a desktop PC, or a CPAP. The Yeti 500X's spec sheet lists no UPS mode, so anything plugged into it rides an outage only as far as your reaction time.
Warranty: 5 Years vs 2
The SOLIX C800 is covered for 5 years against the Yeti 500X's 2 years. An underrated factor if you're keeping this unit for years.
Battery Lifespan in Real Years
The SOLIX C800 is rated for 3,000 cycles vs 500. In real life: at daily use, that's 8.2 vs 1.4 years. At weekend use (twice a week), it's 29 vs 5 years. One caution reading years across different sizes: a cycle is 768Wh on the SOLIX C800 and 497Wh on the Yeti 500X, so count lifetime energy — roughly 2,304 kWh against 249 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 500X: Noise Level Not Disclosed
The SOLIX C800 publishes its noise level (45dB); the Yeti 500X doesn't publish one. That isn't evidence the Yeti 500X 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 C800's 45dB as the only published number on the table — a spec-sheet figure, not a measurement — and look for hands-on reports of the Yeti 500X before deciding.
Full record above — the Test Desk pick is the SOLIX C800.
Check SOLIX C800 price →or check the Yeti 500X 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 500X is cheaper to buy, but the SOLIX C800 is cheaper to own. At $0.26/kWh over its lifetime vs $2.01/kWh, the SOLIX C800's higher cycle life and capacity make each dollar go further over the years.
Delivers each lifetime kWh for $1.75 less — check the SOLIX C800 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 C800
FIXED CAPACITYFixed at 768Wh, with no expansion — so size it for your needs up front rather than planning to add capacity later.
Accepts up to 300W of solar. Limited to a single portable panel.
Adequate ports for most setups, but heavy users may want a power strip.
Yeti 500X
FIXED CAPACITYFixed at 497Wh, with no expansion — so size it for your needs up front rather than planning to add capacity later.
Accepts up to 120W of solar. Limited to a single portable panel.
Limited ports. You'll likely need a power strip or splitter.
Realistic full solar rechargeat 70% of rated panel output — see methodology
Analyst note
Neither expands, and that's no knock on either — each is a complete unit at a fixed size. Buy the capacity that covers your needs now (the SOLIX C800 gives you the larger ceiling); you can't add to either later.
The Bottom Line
The full picture comes down to this. The SOLIX C800 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 500X wins in the scenarios that match your life, it's the right choice regardless of aggregate scores.
If neither the SOLIX C800 nor the Yeti 500X feels like the right fit, your power needs probably sit outside what these two target. If you're planning whole-home backup or running power-hungry appliances (electric heaters, window AC), you'll want a larger system in the 3,000–5,000Wh range with expansion battery support. 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.
Can I actually carry the SOLIX C800, or is the Yeti 500X the only portable option?
The Yeti 500X at 12.9 lbs is genuinely grab-and-go. Toss it in a backpack, carry it one-handed to a picnic, take it on a boat. The SOLIX C800 at 23.8 lbs is a different story. It's like carrying a large suitcase full of books. If you're setting up and breaking down camp frequently, this weight difference will exhaust you by day two.
"3,000 vs 500 cycles" — what does that actually mean for me?
In real years: the SOLIX C800 (3,000 cycles) lasts 8.2 years at daily use, 29 years at weekend use (twice a week), or 125 years at twice-monthly camping trips. The Yeti 500X (500 cycles): 1.4 years daily, 5 years weekends, or 21 years twice-monthly. What most people miss: hitting the cycle limit doesn't kill your battery. Capacity drops to about 80%. Your 768Wh unit becomes a ~614Wh unit. Still very usable. For weekend users, both batteries will outlast the warranty by years.
Can I use the SOLIX C800 as a home UPS to protect my electronics during blackouts?
Yes. The SOLIX C800 has UPS mode with true 0ms switchover (double-conversion). Even hospital-grade equipment won't notice. Plug in your desktop PC, router, NAS, or CPAP machine and it switches to battery seamlessly when the grid drops. The Yeti 500X does not have this feature. Without UPS, a blackout means: your PC reboots (potentially corrupting unsaved work), your NAS may corrupt its drive array, your CPAP alarms and wakes you up, and your security cameras go dark until you manually switch them over. If always-on power protection matters, this is a dealbreaker advantage for the SOLIX C800.
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 C800 or the Yeti 500X?
We'd pay the premium for the SOLIX C800. 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 500X is still solid if budget is the priority, but the SOLIX C800 will leave you less likely to wish you'd "gone bigger" six months from now. That regret costs more than the price difference.
Check SOLIX C800 price →
Where to buy
Anker SOLIX C800Pick
$599.00
$599.00 · direct from Anker
Last checked 1 day ago. Prices move — check before you buy.
Goal Zero Yeti 500X
$499.95
$499.95 · direct from Goal Zero
Last checked 1 day ago. Prices move — check before you buy.
Prices may vary by retailer and are subject to change.