Head-to-head test
Goal Zero Yeti 300 vs Goal Zero Yeti 500
The $150 jump from Yeti 300 to Yeti 500 buys 202 more watt-hours and the only one of the two that can carry a CPAP through a full night.
Written by Wenny ZhengUpdated
Portable Power Tester, Station Arena Test Desk
Goal Zero
Yeti 300
1,602Power Score · Device Hub
$349.95 list · direct from Goal Zero
Goal Zero
Yeti 500
1,862Power Score · Device Hub
$499.95 list · direct from Goal Zero
Spec deltas
297Wh sounds like plenty until you run the math on an actual CPAP night: at roughly 85% usable capacity after inverter losses, the Yeti 300 delivers about 252Wh against a 320Wh need, and it comes up short before morning. The Yeti 500's 499Wh clears the same night with capacity left over.
That's the headline reason to spend the extra $150. The rest of the case is smaller but real: 202 more watt-hours of capacity, 150 more rated watts, and a surge rating that climbs from 600W to 1,000W - enough to actually start something with a compressor, not just run it once it's already spinning.
None of that erases the Yeti 300's case for existing. It's $150 cheaper and 2.8 lbs lighter, and for the phone-and-laptop routine it's built for, that's the whole story - this is a matchup about sizing one step up, not about either unit being broken.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
Capacity
The Yeti 500's 499Wh clears that same 320Wh need with about 424Wh usable to spare, using only 75% of what's available. Capacity isn't a rounding error here - it's the difference between finishing the night and waking up to a dead battery.
Yeti 300: 297Wh capacity, CPAP Overnight scenario needs 320WhYeti 500: 499Wh capacity
Why it mattersAnyone running a CPAP off either unit should treat the Yeti 300 as undersized and buy the 500, not assume 297Wh is close enough.
The Yeti 500 isn't the fix here either: it needs 158% of its own usable capacity to cover the same load, a bigger shortfall by the numbers. Both units are built for phones, lights, and laptops, not speakers and a cooler running all afternoon.
Yeti 300: sits at exactly 100% of what the Tailgate Party scenario drawsYeti 500: needs 158% of its own usable capacity for the same load
Why it mattersBuyers picturing a tailgate day should skip both and look at a station with real continuous output higher than either one offers.
Cost / Wh
That's before counting the surge headroom: 1,000W against 600W is enough of a gap to start a device with a real compressor kick, where the Yeti 300's smaller surge budget can get overwhelmed the instant something like a fridge or a shop vac spins up.
Yeti 300: $1.18 cost per WhYeti 500: $1.00 cost per Wh, 1,000W surge vs Yeti 300's 600W
Why it mattersAnyone starting motor-driven gear off either unit should weight the surge number over the sticker price - a cheaper unit that can't start your load isn't actually cheaper.
cost / lifetime kWh
Same cycle count, bigger tank, so the per-kWh cost drops even as the sticker price climbs. That's the quiet argument for buying the capacity up front instead of buying twice.
Yeti 300: $0.29 cost per lifetime kWh, 1,188 total lifetime kWh, 4,000 cyclesYeti 500: $0.25 cost per lifetime kWh, 1,996 total lifetime kWh, 4,000 cycles
Why it mattersSomeone who expects to use this daily for a decade should spend the $150 once now rather than risk being underpowered and shopping again later.
The specific dimensions that decide these two units — everything else is a tie.
PowerScore Breakdown
Selected because: 260-point composite gap reflects capacity, output, and surge together in one number
overall power score
1,602 against 1,862 - a 260-point gap that isn't explained by one spec, it's the sum of three: 202 more watt-hours, 150 more rated watts, and 400 more surge watts. No single number carries the Yeti 500's edge here; all three add up to it.
Lifetime Value
Selected because: 18-cent-per-Wh gap flips once cost-per-lifetime-kWh is computed - worth surfacing
cost / lifetime kWh
$1.18 per watt-hour at checkout for the Yeti 300, $1.00 for the Yeti 500 - the bigger unit is the better per-unit deal, which flips the usual small-and-cheap assumption on its head. Warranty coverage is identical at 5 years for both, so that's not where this gets decided.
Your Life, Your Pick
Selected because: CPAP Overnight and Tailgate Party show two different failure modes - a capacity miss and an output ceiling
The Yeti 300 fails the CPAP Overnight scenario on capacity - 252Wh usable against a 320Wh night. It fails the Tailgate Party scenario on output instead, sitting at exactly 100% of what the load draws with nothing held in reserve. The Yeti 500 clears the first scenario with room to spare and still falls short of the second, just by a wider margin. Different unit, different way of running out.
Growth Path
Selected because: both are closed systems, so today's capacity choice is permanent
Both are sealed boxes. Whatever capacity leaves the store with you is what you'll have in year five - there's no battery to bolt on later for either one. If there's any real chance your needs grow past light duty, that argues for buying the 500's ceiling now rather than discovering the 300's limit mid-outage.
Strengths & trade-offs
Goal Zero Yeti 300
Strengths
- +Costs $150 less
- +Lighter by 2.8 lb
Trade-offs
- –No major technical downsides compared to rival.
Goal Zero Yeti 500
Strengths
- +Larger battery capacity
- +Higher AC output
Trade-offs
- –Substantially more expensive (+$150) than the Yeti 300.
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 can fully handle this scenario (needs 1,645Wh). You'd need a higher-capacity station or to cut back on usage.
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 500
The Yeti 300 comes up short here - about 252Wh usable against a 320Wh night. The Yeti 500's 499Wh clears it with room left in the tank. If this is a CPAP battery, size up.
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 can fully handle this scenario (needs 910Wh). You'd need a higher-capacity station or to cut back on usage.
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 unit is really built for this. The Yeti 300 sits at exactly 100% of the draw with no reserve, and the Yeti 500 needs more than one and a half times its own usable capacity to cover it. Both are the wrong tier for a tailgate.
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 500 runs 2.1h vs 1.2h.
$499.95 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 0–28.3hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–5.7hHigh-Draw Appliances
These reveal the real limits¹ 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 Yeti 500, on Power Score margin
Take the Yeti 500 if this is protecting a CPAP, starting anything with a real motor, or running daily for years - its 499Wh clears a CPAP night the 297Wh Yeti 300 can't, its 1,000W surge is nearly double the 300's 600W, and it's actually cheaper per watt-hour despite costing $150 more at checkout. Take the Yeti 300 if your loads are phones, a laptop, and small electronics on weekends - it does that job for $150 less and 2.8 fewer pounds, and there's no reason to pay for headroom you won't use.
Editor-assigned confidence, based on cited owner research and spec analysis.
List prices as of July 14, 2026. The links below open Goal Zero's current price.
$499.95 list · direct from Goal Zero
or check the Yeti 300 price$349.95 list
Written by Wenny Zheng, Portable Power Tester · Station Arena Test Desk · Updated July 14, 2026
Measured Data
Benchmark scores and the full spec record, side by side.
Benchmark scores
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, Yeti 300 rates 4.0/5 (43rd percentile of 22 Personal-class units), and Yeti 500 rates 4.7/5 (81st 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.
Same Warranty, Different Payout
Both units carry a 5-year warranty, so coverage length isn't the variable. What differs is what that warranty is protecting: less coverage value per year on the Yeti 300 than on the Yeti 500 - and the 500 pays that back with 808 more total kWh delivered over an identical 4,000-cycle life.
Full record above — the Test Desk pick is the Yeti 500.
Check Yeti 500 price →or check the Yeti 300 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 300 is cheaper to buy, but the Yeti 500 is cheaper to own. At $0.25/kWh over its lifetime vs $0.29/kWh, the Yeti 500's higher cycle life and capacity make each dollar go further over the years.
Growth path
Yeti 300
FIXED CAPACITYFixed at 297Wh, 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.
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
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 Yeti 500 gives you the larger ceiling); you can't add to either later.
What Owners Report
Patterns from published owner reports and long-term reviews — every claim cited to its source below.
Goal Zero Yeti 300
Owners describe the 297Wh battery as built for light duty - 4 to 6 hours on a laptop or 20 to 30 phone charges - and note it stalled out near its own power ceiling, shutting down 2 minutes into running a coffee makerA3. That's consistent with a unit rated for 4,000-plus cycles, which reviewers describe as over a decade of daily use before real degradationA1. It's not underbuilt - it's sized for small loads, and the build quality draws real praise: rubberized corners and a sturdy handle that feel sturdier than the price suggestsA2.
“297Wh LiFePO4 battery rated for 4,000+ cycles — daily use for over 10 years — with a 200W pure sine inverter (300W surge).”
Sources
goalzero.com · batteryskills.com · campingsolar.us · trailandkale.com · the-gadgeteer.com
Goal Zero Yeti 500
The Yeti 500's field reputation centers on outage duty: Goal Zero and reviewers describe plugging a full-size fridge directly into it for up to six hours to keep food from spoiling during a blackoutB2. That backup framing lines up with its 4,000-plus cycle LiFePO4 rating, described the same way as the 300's - over a decade of daily use before capacity meaningfully dropsB1. Reviewers also flag it as a real upgrade over the older NMC-based Yeti 500X, which some listings still confuse it withB3.
“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
- Modern LFP (4,000+ cycles), IP54 ruggedness, and fast charging are the praise; small capacity and high price are the caveats. [Yeti 300 · 3 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
“297Wh LiFePO4 battery rated for 4,000+ cycles — daily use for over 10 years — with a 200W pure sine inverter (300W surge).”
goalzero.com / batteryskills.com — Yeti 300 review · 2026 · [positive]
- A2
“Just over 12 lbs, meets IP54 for dust and water resistance, with top-tier build quality — rubberized corners and a sturdy handle; recharges 0-100% in 50 minutes.”
campingsolar.us / trailandkale.com — Yeti 300 review · 2026 · [positive]
- A3
“The 297Wh capacity limits it to lighter-duty use — 4-6 hours on a laptop or 20-30 phone charges — and it struggled near its 300W limit, shutting down after 2 minutes with a coffee maker.”
batteryskills.com — Yeti 300 review · 2026 · [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]
Research compiled July 14, 2026.
Who Should Buy Which
Buy the Yeti 300 if you…
- →Someone charging phones, running a laptop, or topping off small electronics on weekends who doesn't need CPAP-overnight runtime or motor-starting surge.
Buy the Yeti 500 if you…
- →Someone running a CPAP overnight, backing up a fridge briefly during outages, or starting anything with a real motor kick - the extra capacity and surge are doing real work.
If neither fits
Anyone planning to run a tailgate's worth of speakers, lights, and a cooler all afternoon - both units fall short of that load; look at a station with more continuous output than either offers.
The Bottom Line
Buy the Yeti 500 if you need to get a CPAP through the night, start anything with a motor, or expect years of daily use - the $150 premium buys real headroom, not just a bigger number on the box. Buy the Yeti 300 if your loads are phones, a laptop, and the occasional gadget; at that scale it's the cheaper unit doing the same job just as well.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Can the Goal Zero Yeti 300 run a CPAP all night?
Not reliably. A CPAP night draws about 320Wh, and the Yeti 300's usable capacity after inverter losses is roughly 252Wh from its 297Wh rating - it comes up short before morning. The Yeti 500's 499Wh clears the same night with capacity left over.
Is the Yeti 500 worth $150 more than the Yeti 300?
If you need CPAP-overnight runtime, motor-starting surge, or expect to use it daily for years, yes - it clears loads the 300 can't and costs less per watt-hour despite the higher sticker price ($1.00/Wh vs $1.18/Wh). If your use case is phones and a laptop on weekends, the 300 covers it for less.
What's the real difference in surge power between the two?
600W for the Yeti 300 against 1,000W for the Yeti 500 - a real gap when starting anything with a compressor or motor, which can briefly draw two to three times its running wattage at startup.
Do either of these support an add-on battery?
No. Both are closed systems - the capacity you buy, 297Wh or 499Wh, is what you'll have going forward, with no expansion option for either.
Which one is the better long-term value?
The Yeti 500 on paper: $0.25 per lifetime kWh against the Yeti 300's $0.29, and it delivers 808 more total kWh over an identical 4,000-cycle life. The 300 still wins on upfront price if that's the binding constraint.
Where to buy
Goal Zero Yeti 300
$349.95
$349.95 list · direct from Goal Zero
Goal Zero Yeti 500Pick
$499.95
$499.95 list · direct from Goal Zero
Prices may vary by retailer and are subject to change.