Head-to-head test
Anker SOLIX C1000 vs Goal Zero Yeti 1500X
The Yeti costs roughly twice as much today and burns through its battery six times faster than the C1000 — the sticker price is the smaller number on this page.
Written by Ian SchneiderUpdated
Solar & Off-Grid Tester, Station Arena Test Desk

Anker
SOLIX C1000
3,269Power Score · Appliance Class
$449.00 list · direct from Anker

Goal Zero
Yeti 1500X
2,735Power Score · Appliance Class
$1,124.89 list · direct from Goal Zero
Spec deltas
The SOLIX C1000 is $549 and rated for 3,000 charge cycles. The Yeti 1500X is $1,124.89 and rated for 500. Before comparing a single watt of output, the Yeti has to overcome paying roughly twice as much for a battery that's due for replacement six times sooner.
It isn't a clean sweep. The Yeti packs 1516Wh against the C1000's 1056Wh — 460Wh more headroom, enough to be the difference between a remote workday that just barely fails and one that clears with room to spare. It also has more surge headroom for starting compressor loads. Those are real advantages, not marketing.
But they're advantages that cost a lot to keep. Across the ownership span that most buyers will actually experience, the C1000 is cheaper to run by a wide enough margin that it should be the default pick, with the Yeti reserved for the specific case where its extra capacity is doing real work today.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
rated cycles
Spread over the full life of each battery, the C1000 delivers energy at 17 cents per lifetime kilowatt-hour; the Yeti delivers it at $1.48 — 8.7 times as much for the same watt-hour, because a higher price tag times a shorter service life compounds fast.
C1000: $549, 3,000 cyclesYeti 1500X: $1,124.89, 500 cycles
Why it mattersAnyone who cycles the unit regularly — daily home-office backup, a rotating camping kit, an RV that gets used most weekends — should take the C1000; that's exactly the usage pattern where 2,500 extra cycles gets exercised and paid back.
Capacity
For a buyer who is actually going to run a full workday's worth of devices off the unit, that headroom is the deciding spec — even though it comes wrapped in a battery that costs far more per kilowatt-hour over its life.
Yeti 1500X: 1,516Wh capacityC1000: 1,056Wh capacityRemote Workday scenario needs 910Wh
Why it mattersIf your daily draw is close to a full workday or a loaded tailgate today, that's the one case worth paying the Yeti's premium for; if it isn't, the extra capacity is dead weight you're financing.
continuous output
Fridge and AC compressors routinely spike 2 to 3 times their running draw on startup, so the Yeti's wider cushion is the one that's less likely to trip when a compressor kicks on, even though its continuous rating is only modestly higher.
Yeti 1500X: 3,500W surge on a 2,000W rating (1.75x)C1000: 2,400W surge on a 1,800W rating (1.33x)
Why it mattersBuyers planning to start a fridge or window AC unit off the inverter should weight the Yeti's surge headroom; buyers running laptops, routers, and lamps will never notice the difference.
Neither gap is large in isolation, but stacked together they point the same direction: the C1000 is the better desk-side UPS for protecting a router or PC, and the Yeti is the quieter one to have running in the room while you sleep.
C1000: ~20ms switchoverYeti 1500X: ~25ms switchoverNeither unit discloses noise in dB
Why it mattersSomeone shopping this as an always-on UPS for sensitive electronics should lean C1000; someone parking it in a bedroom or CPAP setup should weight the quieter build.
The specific dimensions that decide these two units — everything else is a tie.
Lifetime Value
Selected because: Cost-per-kWh gap is the single largest and most decision-relevant number in this matchup.
cost / lifetime kWh
Run the numbers past the sticker price and the gap gets worse, not better. The C1000 spends its life delivering energy at 17 cents a kilowatt-hour; the Yeti spends its at $1.48 — 8.7 times as much for the same watt-hour, because 500 cycles at the higher price compounds fast next to 3,000 cycles at the lower one.
It shows up in the warranty math too: $110 a year of the C1000's 5-year coverage against $562 a year of the Yeti's 2-year coverage. Even the warranty period costs more per year on the pricier unit.
Your Life, Your Pick
Selected because: The Yeti's extra capacity flips two scenario winners; worth spelling out where it actually matters.
The Yeti's extra 460Wh stops being an abstraction the moment you try to run a full remote workday off either unit: the C1000 needs 101% of its usable capacity and comes up just short, while the Yeti covers the same day at 71%, with room to spare. The same pattern holds for a tailgate and an overnight CPAP — both units can technically handle it, but the Yeti does it with more margin.
Weekend camping, an 8-hour blackout, and daily van life are a different story: both units fall well short of the load in every one of those, so neither is the right pick for that use case. That's a bigger unit's job, not this pair's.
Portability & Form Factor
Selected because: 17-lb weight gap between two non-swappable units is a real daily-use difference.
weight
Neither unit ships with a swappable battery pack, so the number on the spec sheet is the number you personally lift, every single time. At 28.4 lbs the C1000 is a one-person, one-motion carry, closer to a case of water than a suitcase. The Yeti's 45.64 lbs is a two-hands, bent-knees lift — 17 lbs heavier, and it's the same 17 lbs on every trip out to the car and every trip back.
What the Specs Don't Tell You
Selected because: Surge ratio and switchover speed both fire and cut in different directions for different use cases.
rated cycles
The Yeti's inverter carries more cushion above its rated output — a 1.75x surge ratio against the C1000's 1.33x — which matters if you're starting a fridge or AC compressor that spikes 2 to 3 times its running draw on startup. Flip the use case to protecting a desktop or router during a blip and the C1000's roughly 5ms-faster switchover is the one doing the actual saving.
Both differences are real but situational: pick based on what you're actually plugging in, not on which number sounds bigger.
Brand Trust
Selected because: Cross-brand pair with both companies' support quality reportedly sliding — worth naming plainly.
Anker's SOLIX line and Goal Zero's Yeti line are aging in opposite directions from very different starting points. Anker's historically excellent no-hassle support is reportedly sliding toward AI-agent responses and clunky hazmat return logistics, but it's coming off a much higher baseline. Goal Zero's harder problem is that its entire pitch was premium support justifying a premium price, and 2025-2026 reports of tickets going unanswered for weeks undercut the one thing the brand was charging extra for.
Strengths & trade-offs
Anker SOLIX C1000
Strengths
- +Costs $675.9 less
- +Lighter by 17.2 lb
- +Longer warranty
- +Rated for 3,000 charge cycles — much longer battery lifespan
Trade-offs
- –No major technical downsides compared to rival.
Goal Zero Yeti 1500X
Strengths
- +Larger battery capacity
- +Higher AC output
Trade-offs
- –Substantially more expensive (+$675.9) than the SOLIX C1000.
- –Significantly heavier (+17.2 lbs), making it harder to move.
- –Shorter-lived battery — rated for 500 charge cycles vs the SOLIX C1000'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 can fully handle this scenario (needs 2,100Wh). You'd need a higher-capacity station or to cut back on usage.
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 a full 8-hour blackout load on its own. Both fall well short, so this pair isn't the right shopping category for that scenario — a larger station is.
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
Yeti 1500X
Both units clear this comfortably, using well under half their usable capacity. Decide on cost and cycle life here, not capacity — neither is close to its ceiling.
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
Yeti 1500X
The C1000 needs essentially all of its usable capacity to cover a full workday and comes up just short; the Yeti clears the same load with real margin left over. If this is your actual daily pattern, that margin is worth paying for.
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
Yeti 1500X
Both handle game day, and the Yeti 1500X does it with more in reserve — 52% used against 75%. Tailgating is a light load, so that headroom counts for less here than the 17 lbs you'll actually carry across the parking lot.
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: Yeti 1500X runs 6.3h vs 4.4h.
$1,124.89 list · direct from Goal Zero
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 0–85.9hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–17.2hHigh-Draw Appliances
These reveal the real limitsscale 0–1.3h¹ 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 14, 2026
Verdict: the SOLIX C1000, on Power Score margin
Take the SOLIX C1000 unless you specifically need the Yeti's extra 460Wh today. The C1000 costs $549 against $1,124.89, is rated for 3,000 cycles against 500, and carries a 5-year warranty against 2. Over any real ownership span that gap in cycle life and cost-per-kWh swamps the Yeti's bigger battery. The one honest exception: buyers who need to cover a full remote workday or a loaded tailgate right now, where the Yeti's larger capacity actually clears the load and the C1000 comes up just short.
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 Goal Zero's current prices.
$449.00 list · direct from Anker
or check the Yeti 1500X price$1,124.89 list
Written by Ian Schneider, Solar & Off-Grid 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.
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 C1000 rates 4.5/5 (70th percentile of 24 Everyday-class units), and Yeti 1500X rates 3.3/5 (1st percentile of 24 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.
Surge Power: Inverter Quality Indicator
The Yeti 1500X has a 1.8× surge-to-continuous ratio vs the SOLIX C1000's 1.3×. A higher ratio (≥2×) means the inverter handles motor startup surges better. That's critical for fridges, AC compressors, and power tools that briefly draw 2-3× their rated wattage. The SOLIX C1000 may trip when starting these appliances even though its continuous wattage looks sufficient.
UPS Speed: standby (<20ms) vs basic standby
The SOLIX C1000 switches to battery in 20ms (standby (<20ms)), while the Yeti 1500X takes 25ms (basic standby). Most electronics handle this fine, but sensitive server equipment may hiccup. This matters if you're using it as a home UPS for always-on equipment.
5 years against 2, and the price tag runs the other way
The cheaper unit also carries the longer warranty. Measured as cost per year of coverage, the C1000 works out to about a fifth of what the Yeti costs per warranty year.
3,000 cycles against 500
This is the single biggest structural gap in the matchup. The C1000's cycle rating is six times the Yeti's, which means over a multi-year ownership span it delivers roughly four times the total energy for about half the purchase price.
Full record above — the Test Desk pick is the SOLIX C1000.
Check SOLIX C1000 price →or check the Yeti 1500X 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 C1000 wins on both sticker price and long-term value. At $0.14/kWh over its lifetime, it's meaningfully cheaper to own. Clear value winner.
Delivers each lifetime kWh for $1.34 less — check the SOLIX C1000 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 — 5-6 active portable power station models across Yeti and Yeti Pro series, 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 (IPX4). Integrated "Yeti-Ready" ecosystem with coolers, lights, and vehicle kits.
Worth knowing
Widely acknowledged as the most expensive brand (lowest Wh per dollar). 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 drifting from their historical support strengths, just from different heights. Anker's slide is from excellent to inconsistent; Goal Zero's is from premium-priced-and-premium-served to premium-priced-and-slow, which is the harder story for a brand whose price has always depended on the service backing it up.
Growth path
SOLIX C1000
EXPANDABLESupports Anker expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 1,056Wh.
Accepts up to 600W of solar. Suitable for a 1-2 panel setup.
Generous port selection supports complex multi-device setups.
Expansion batteries are Anker-specific. You're investing in the Anker ecosystem.
Yeti 1500X
EXPANDABLESupports Goal Zero expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 1,516Wh.
Accepts up to 600W of solar. Suitable for a 1-2 panel setup.
Adequate ports for most setups, but heavy users may want a power strip.
Expansion batteries are Goal Zero-specific. You're investing in the Goal Zero 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 C1000
Owners who've run the C1000 past a year report it held about 97% of its original capacity, with no failures through 30 days of intermittent home-office outage testing — seven brief blips, no equipment dropsA2. The recurring complaint is fan noise: push it past roughly 500W and the fans spin up audibly, comparable to a desktop tower under load, though it's close to silent below that thresholdA1. Reviewers otherwise describe it as a unit that nails the fundamentals — fast AC recharge, a size and weight that's easy to live with day to day, and app monitoring that's genuinely useful rather than decorativeA3. It comfortably runs everything in a typical household except central air and an electric dryer, which is roughly the ceiling most 1kWh buyers are shopping for anywayA4.
“One reviewer used their unit for over a year with zero issues and minimal battery degradation — about 97% of original capacity. In a 30-day home-office UPS test it handled 7 brief outages with no equipment shutdowns or data loss.”
Sources
outdoorgearlab.com · lifenhancer.com · rvoutfitting.com · outdoortechlab.com · wattsontheroof.com · technerdo.com · teqclub.com
Goal Zero Yeti 1500X
Field reports describe a dense, durable build that's held up for years in vehicle installs and off-grid cabins without complaintB2. That durability doesn't extend to the battery chemistry underneath it: the Yeti 1500X runs on NMC cells rated for 500 cycles, well short of the LiFePO4 packs now standard at this price, and reviewers note the falloff typically shows up within 3 to 5 years of normal useB1. The companion app draws mixed reviews — genuinely useful real-time monitoring and remote outlet control when it connects cleanly, spotty connection complaints when it doesn'tB3. Coverage converges on the same closing note across sources: charging is slow by 2026 standards and the price hasn't moved to reflect itB4.
“A quiet, capacious power station with a dense, durable enclosure and durable port covers that has held up under sustained use in vehicle installs and off-grid structures.”
Sources
portablepowerauthority.com · bestgeneratorsolar.com · pcworld.com · offgridweb.com · makeuseof.com · batteryskills.com · digitalcameraworld.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
- Fan noise under fast charging or heavy load is the consistent knock; otherwise strong reliability, fast recharge, and practical size earn broad praise. [SOLIX C1000 · 3 entries]
- Praised for build quality, quiet operation, and a capable remote app; held back by 500-cycle NMC chemistry, slow AC charging, and premium pricing versus modern LFP units. [Yeti 1500X · 3 entries]
- A1
“Fan noise is the single most common complaint — the fans spin up audibly during fast charging or heavy output near the unit's limit, comparable to a desktop computer fan at speed. Under light loads (below ~500W) it's nearly silent.”
outdoorgearlab.com / lifenhancer.com — Anker SOLIX C1000 review · 2026 · [negative]
- A2
“One reviewer used their unit for over a year with zero issues and minimal battery degradation — about 97% of original capacity. In a 30-day home-office UPS test it handled 7 brief outages with no equipment shutdowns or data loss.”
rvoutfitting.com / outdoortechlab.com — Anker SOLIX C1000 long-term notes · 2026 · [positive]
- A3
“Nails the fundamentals: fast AC recharge, strong inverter performance for short bursts, practical size and weight for a 1kWh unit, and genuinely useful app monitoring.”
wattsontheroof.com / technerdo.com — Anker SOLIX C1000 review · 2026 · [positive]
- A4
“Handles virtually any household appliance except central AC and electric dryers; a popular 'sweet spot' 1kWh unit for RV and home backup.”
rvoutfitting.com / teqclub.com — Anker SOLIX C1000 review · 2026 · [positive]
- B1
“Uses lithium NMC chemistry rated for 500 cycles to 80% capacity — roughly 3-5 years before noticeable degradation with typical use — which puts it at a structural disadvantage against the current wave of LiFePO4 competitors.”
portablepowerauthority.com / bestgeneratorsolar.com — Yeti 1500X review · 2025-2026 · [negative]
- B2
“A quiet, capacious power station with a dense, durable enclosure and durable port covers that has held up under sustained use in vehicle installs and off-grid structures.”
pcworld.com / offgridweb.com — Yeti 1500X review · 2025-2026 · [positive]
- B3
“Bluetooth and WiFi app control via the Yeti app provides detailed real-time analytics and full remote control — turning AC outlets on/off, monitoring solar input, checking battery status from a distance — though owner feedback on app reliability has been mixed over the years.”
makeuseof.com / batteryskills.com — Yeti 1500X review · 2025-2026 · [mixed]
- B4
“Relatively slow AC charging and persistent premium pricing weigh against it in 2025-2026.”
bestgeneratorsolar.com / digitalcameraworld.com — Yeti 1500X review · 2025-2026 · [negative]
Research compiled July 14, 2026.
Who Should Buy Which
Buy the SOLIX C1000 if you…
- →Anyone who cycles a power station regularly — daily office backup, rotating camping trips, frequent RV use — where the 6x cycle-life edge actually gets exercised and pays for itself.
- →Buyers who want the lower ongoing cost and the longer warranty and don't need the Yeti's extra capacity for a specific daily load.
Buy the Yeti 1500X if you…
- →Buyers whose daily draw is genuinely close to a full remote workday or a loaded tailgate right now, where the extra 460Wh clears a load the C1000 can't quite cover.
- →Anyone starting fridge or AC compressor loads regularly, where the Yeti's wider surge cushion is less likely to trip.
If neither fits
Anyone planning a full weekend of camping, an 8-hour blackout, or daily van life — both units fall well short of those loads. Look at a 2kWh-class station instead.
The Bottom Line
The C1000 costs about half as much and is rated to outlast the Yeti's battery six times over — a gap in cost-per-kilowatt-hour that no amount of extra capacity closes for most buyers. Take it unless your daily load is genuinely bumping up against a full remote workday or a loaded tailgate, the one place the Yeti's extra 460Wh is doing real, measurable work.
For everyone else, the Yeti is a bigger battery you're paying nine times as much per kilowatt-hour to own. Go get the C1000.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Is the Anker SOLIX C1000 or the Goal Zero Yeti 1500X the better value?
The C1000, by a wide margin. It costs $549 against $1,124.89 and is rated for 3,000 cycles against 500, which works out to 17 cents per lifetime kilowatt-hour delivered versus $1.48 for the Yeti. Unless you specifically need the Yeti's extra capacity, the C1000 is cheaper to buy and dramatically cheaper to own.
Which one has more battery capacity?
The Yeti 1500X, at 1,516Wh against the C1000's 1,056Wh — a 460Wh edge. That extra capacity is real and matters for loads close to a full workday, but it comes with a battery rated for one-sixth the charge cycles.
Can either one power a CPAP overnight?
Yes, both handle it comfortably. A CPAP overnight needs about 320Wh, which uses roughly a third of the C1000's usable capacity and about a quarter of the Yeti's — either unit has plenty of margin for this specific use.
Which battery lasts longer before it degrades?
The C1000, decisively. It's rated for 3,000 charge cycles against the Yeti's 500, a difference tied directly to chemistry — the Yeti runs older NMC cells while the C1000 uses a cycle-life-focused pack. For anyone using the unit regularly, that gap becomes the whole decision over a few years of ownership.
Does either unit support expansion batteries?
Both do. The C1000 and the Yeti 1500X each support add-on batteries from their own brand's ecosystem, so neither purchase locks you out of adding capacity later if your needs grow.
Where to buy

Anker SOLIX C1000Pick
$449.00
$449.00 list · direct from Anker

Goal Zero Yeti 1500X
$1,124.89
$1,124.89 list · direct from Goal Zero
Prices may vary by retailer and are subject to change.