Head-to-head test
Anker SOLIX F3000 vs Anker SOLIX F3800
Real-world runtimes, scenario verdicts, and ownership costs compared — which wins for your use case.
Written by Gunner GustafsonUpdated
Whole-Home Backup Tester, Station Arena Test Desk
Anker
SOLIX F3000
4,899Power Score · Appliance Class
$1,399.99 list · direct from Anker
Anker
SOLIX F3800
6,013Power Score · The AC & Fridge Zone
$2699.00 list · direct from Anker
Spec deltas
Two sizes from Anker's SOLIX F lineup: SOLIX F3000 at 3,072Wh, SOLIX F3800 at 3,840Wh. The $1,299 gap between them buys a fundamentally different tool. One you carry. One you place and leave. The SOLIX F3800 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 F3800's 6,000W inverter can run a window AC unit, a full-size fridge, or power tools. The SOLIX F3000's 3,600W inverter will flat-out refuse to start those appliances. On stamina, the SOLIX F3800 keeps a fridge alive for roughly 22 hours vs the SOLIX F3000's 17 hours. The cost? Portability. At 132.3 lbs, the SOLIX F3800 is a two-person lift you set down once and leave. The SOLIX F3000 at 88 lbs is more manageable, though still not light.
Pick the SOLIX F3800 if your primary use is weekend camping or 8-hour blackout. Go with the SOLIX F3000 if you need the heavier-duty specs for demanding loads. Most buyers overlook this: the SOLIX F3800 costs ~$0.23/kWh over its full lifespan, which adds up significantly over years of regular use. 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 F3000
With a massive 3,600W output (and 7,200W surge), the SOLIX F3000 can run high-wattage appliances like space heaters, hair dryers, and electric grills without tripping. Weighing in at 88 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 $0.46 per watt-hour, it's one of the most cost-effective options on the market.
Strengths
- +Costs $1,299 less
- +Lighter by 44.3 lb
Trade-offs
- –Weaker inverter (-2,400W) limits appliance compatibility.
- –Very heavy unit that may be difficult for one person to lift.
Anker SOLIX F3800
With a massive 6,000W output (and 9,000W surge), the SOLIX F3800 can run high-wattage appliances like space heaters, hair dryers, and electric grills without tripping. Weighing in at 132.3 lbs, this is not a unit you want to carry far. It's best suited as a stationary backup or RV companion.
Strengths
- +Larger battery capacity
- +Higher AC output
Trade-offs
- –Substantially more expensive (+$1,299) than the SOLIX F3000.
- –Significantly heavier (+44.3 lbs), making it harder to move.
- –Very heavy unit that may be difficult for one person to lift.
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 F3800
The SOLIX F3000 cuts it close at 80%. One cold night or an unexpected device and you're rationing power. The SOLIX F3800 finishes at 64%, leaving real headroom for spontaneous use. If you camp in variable weather, that buffer keeps you relaxed instead of checking your battery app every 20 minutes.
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
Both survive, but the SOLIX F3800 finishes at just 50% used. That's enough reserve for a second blackout night. The SOLIX F3000 at 63% leaves little margin if the outage runs longer than expected. In storm-prone areas, that remaining capacity is insurance.
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 are wildly overqualified for CPAP. You're using 12% or less. Save your money and buy whichever is cheaper; the extra capacity is completely wasted on a 40W overnight load. Put the savings toward a second battery for multi-night trips.
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
Either unit
Both power your workstation all day without breaking a sweat. At these utilization levels, prioritize the unit with better USB-C output for direct laptop charging. It's more convenient than using the AC inverter and wastes less energy.
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
Either unit
Both handle game day easily. Since capacity isn't the deciding factor, consider weight: the lighter unit is easier to load into a truck bed. Also check if either has Bluetooth speaker-level noise. Fan sound matters in social settings.
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: SOLIX F3800 runs 15.9h vs 12.7h.
$2,699 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
July 10, 2026
Verdict: the SOLIX F3800, on Power Score margin
These two units are closely matched on individual specs, but our Power Score analysis gives the SOLIX F3800 the edge with a composite score of 6,013 vs 4,899.
Overall score margin: 4,899 vs 6,013 (−22.7%)
List prices as of July 10, 2026. The links below open Anker's current price.
$2699.00 list · direct from Anker
or check the SOLIX F3000 price$1,399.99 list
Written by Gunner Gustafson, Whole-Home Backup 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.
Full specifications
| Specification | SOLIX F3000 | SOLIX F3800★ Our pick |
|---|---|---|
| Price | $1,399.99 Check latest price | $2699.00 Check latest price |
| Capacity (Wh) | 3072 | 3840 |
| Output (W) | 3600 | 6000 |
| Surge Peak | 7200W | 9000W |
| AC Outlets | 5 | 8 |
| USB-C Charging Outputs | 100W | 100W |
| Solar Input (W) | 2400 | 2400 |
| Weight (lbs) | 88 | 132.3 |
| UPS | Not Specified | Yes (<20ms) |
| Charging Cycles | Not Specified | 3000 |
| Chemistry | LiFePO4 | LiFePO4 |
| Warranty (Years) | 5 | 5 |
| Battery Expansion Feasibility | Yes | Yes |
| App Control | Yes | Yes |
| $/Watt Hour | $.46 | $.70 |
| Noise Level (db) | Not Specified | N/A |
| Solar Input Type | Dual PV (11-165V) | Proprietary |
| USB-A Ports | Not Specified | 2 |
| USB-C Ports | Not Specified | 3 |
| Cost per Whᵈ | $0.46/Wh | $0.70/Wh |
ᵈ Derived: price ÷ rated capacity.
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.
Test Notes & Caveats
Hidden gotchas and advantages we spotted that you won't find on the product page.
Weight Reality Check
Neither unit is grab-and-go. The SOLIX F3000 (88 lbs) is manageable solo but heavier than a large checked suitcase. The SOLIX F3800 (132.3 lbs) is firmly a two-person lift. It goes where you put it and stays there. That's a 44 lb difference, which you'll feel every time you relocate.
Surge Power: Inverter Quality Indicator
The SOLIX F3000 has a 2× surge-to-continuous ratio vs the SOLIX F3800's 1.5×. 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 F3800 may trip when starting these appliances even though its continuous wattage looks sufficient.
UPS Speed: standby (<20ms) vs basic standby
The SOLIX F3800 switches to battery in 20ms (standby (<20ms)), while the SOLIX F3000 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.
Warranty Value Comparison
The SOLIX F3000 gives you 3.6 years of warranty per $1,000 spent, vs the SOLIX F3800's 1.9 years. That's 1.9× more coverage per dollar. An underrated factor if you're keeping this unit for years.
Full record above — the Test Desk pick is the SOLIX F3800.
Check SOLIX F3800 price →or check the SOLIX F3000 priceOwnership Analysis
What happens after you buy — true cost of ownership, brand trust, and growth potential.
Lifetime value
| Metric | SOLIX F3000 | SOLIX F3800 |
|---|---|---|
| Purchase price | $1,399.99 | $2699.00 |
| Lifetime energy delivery | 0 kWh | 11,520 kWh |
| Cost per lifetime kWh | $Infinity | $0.23 |
| Cost per warranty year | $280/yr | $540/yr |
| Battery lifespan | 0yr daily · 0yr weekends · 0yr weekly | 8.2yr daily · 28.8yr weekends · 57.7yr weekly |
Analyst note
The SOLIX F3000 is cheaper to buy, but the SOLIX F3800 is cheaper to own. At $0.23/kWh over its lifetime vs $∞/kWh, the SOLIX F3800's higher cycle life and capacity make each dollar go further over the years.
Delivers each lifetime kWh for $Infinity less — check the SOLIX F3800 price →
Growth path
SOLIX F3000
EXPANDABLESupports Anker expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 3,072Wh.
Accepts up to 2,400W of solar. Enough for a serious multi-panel array.
Limited ports. You'll likely need a power strip or splitter.
Expansion batteries are Anker-specific. You're investing in the Anker ecosystem.
SOLIX F3800
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 2,400W 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.
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.
The Bottom Line
The full picture comes down to this. The SOLIX F3800 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 SOLIX F3000 wins in the scenarios that match your life, it's the right choice regardless of aggregate scores.
If neither the SOLIX F3000 nor the SOLIX F3800 feels like the right fit, your power needs probably sit outside what these two target. For lighter use — weekend camping or phone/laptop charging — you'd be overpaying for capacity you'll rarely tap. Consider a unit in the 500–1,500Wh range instead. Prices on portable power stations fluctuate frequently. Both Anker 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 F3800 worth $1,299 more than the SOLIX F3000?
The short answer: yes, if you'll actually use the extra capability. The SOLIX F3800 costs $1,299 more, but that premium buys you 768Wh more battery capacity (that's 4 extra hours of running a mini-fridge); 2,400W higher AC output (opening the door to more demanding appliances); a longer-lasting battery rated for 3,000 cycles — that's 8 years at daily use. On a cost-per-watt-hour basis, you're paying $0.70/Wh vs $0.46/Wh. For regular use, we'd pay the premium.
How does the 768Wh capacity difference actually affect daily use?
The SOLIX F3800's 3,840Wh battery keeps a mini-fridge running for roughly 22 hours vs the SOLIX F3000's 17 hours. Both can handle a full 8-hour blackout setup (fridge + router + lights + phone charging ≈ 1,645Wh), but the SOLIX F3800 finishes with significantly more margin. That matters if conditions aren't ideal or the outage runs long. What specs don't mention: runtime drops 20-30% in cold weather (below 32°F/0°C) as battery chemistry slows down. The SOLIX F3800'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 F3800, or is the SOLIX F3000 the only portable option?
Neither is "portable" in any hiking sense. The SOLIX F3000 (88 lbs) and the SOLIX F3800 (132.3 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.
Can I use the SOLIX F3800 as a home UPS to protect my electronics during blackouts?
Yes. The SOLIX F3800 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 SOLIX F3000 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 F3800.
Bottom line: should I buy the SOLIX F3000 or the SOLIX F3800?
We'd pay the premium for the SOLIX F3800. 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 SOLIX F3000 is still solid if budget is the priority, but the SOLIX F3800 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 F3000
$1,399.99
$1,399.99 list · direct from Anker
Anker SOLIX F3800Pick
$2699.00
$2699.00 list · direct from Anker
Prices may vary by retailer and are subject to change.