Head-to-head test
Anker SOLIX E10 vs BLUETTI EP900 + 2×B500
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 E10
9,115Power Score · The AC & Fridge Zone
$4,299.00 list · direct from Anker
BLUETTI
EP900 + 2×B500
10,574Power Score · Whole-Home Capable
$10,298.00 list · direct from BLUETTI
Spec deltas
The Anker SOLIX E10 (6,144Wh) and BLUETTI EP900 + 2×B500 (9,920Wh) 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? We'd buy the SOLIX E10.
The EP900 + 2×B500's 9,920Wh keeps a fridge going for 56 hours. The SOLIX E10's 6,144Wh manages 35 hours. The bigger unit rides out a full weekend outage. The smaller one needs a recharge by Saturday night. But if your actual use case is camping, tailgating, or keeping devices charged, the SOLIX E10 does the job at 190.6 lbs and $4,299 — no overkill, no regret.
Pick the SOLIX E10 if you want maximum capability and room to grow. Go with the EP900 + 2×B500 if you primarily need it for weekend camping or 8-hour blackout. Most buyers overlook this: the SOLIX E10 costs ~$0.17/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 E10
With a massive 7,680W output (and 1,000,090W surge), the SOLIX E10 can run high-wattage appliances like space heaters, hair dryers, and electric grills without tripping. Weighing in at 190.6 lbs, this is not a unit you want to carry far. It's best suited as a stationary backup or RV companion.
Strengths
- +Costs $5,999 less
- +Lighter by 152.4 lb
- +Higher AC output
Trade-offs
- –Very heavy unit that may be difficult for one person to lift.
BLUETTI EP900 + 2×B500
With a massive 7,600W output (and 0W surge), the EP900 + 2×B500 can run high-wattage appliances like space heaters, hair dryers, and electric grills without tripping. Weighing in at 343 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
- +Longer warranty
Trade-offs
- –Substantially more expensive (+$5,999) than the SOLIX E10.
- –Significantly heavier (+152.4 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
EP900 + 2×B500
The SOLIX E10 cuts it close at 40%. One cold night or an unexpected device and you're rationing power. The EP900 + 2×B500 finishes at 25%, 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
EP900 + 2×B500
Both survive, but the EP900 + 2×B500 finishes at just 20% used. That's enough reserve for a second blackout night. The SOLIX E10 at 31% 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 6% 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
EP900 + 2×B500
The SOLIX E10 uses 90% of its battery. Doable but tight. Miss a day of solar recharge and you're in trouble. The EP900 + 2×B500 at 56% gives a much more sustainable daily rhythm. For full-time van life, miss a recharge day with the tighter unit and the next 24 hours get stressful fast.
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: EP900 + 2×B500 runs 41.1h vs 25.5h.
$10,298 list · direct from BLUETTI
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 0–562.1hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–112.4hHigh-Draw Appliances
These reveal the real limitsscale 0–8.4h¹ 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 E10
The SOLIX E10 outperforms the EP900 + 2×B500 in key areas. It offers higher output (+80W). Crucially, it costs $5,999 less, making it the smarter financial choice.
Overall score margin: 9,115 vs 10,574 (−16.0%)
List prices as of July 10, 2026. The links below open Anker's and BLUETTI's current prices.
$4,299.00 list · direct from Anker
or check the EP900 + 2×B500 price$10,298.00 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
Full specifications
| Specification | SOLIX E10★ Our pick | EP900 + 2×B500 |
|---|---|---|
| Price | $4,299.00 Check latest price | $10,298.00 Check latest price |
| Capacity (Wh) | 6144 | 9920 |
| Output (W) | 7680 | 7600 |
| Surge Peak | 10000W (90 min) | Not Specified |
| AC Outlets | Hardwired (120/240V) | Hardwired |
| USB-C Charging Outputs | 0 | N/A |
| Solar Input (W) | 9000 | 9000 |
| Weight (lbs) | 190.6 | 343 |
| UPS | Yes (<20ms) | Yes (<10ms) |
| Charging Cycles | 4000 | 6000 |
| Chemistry | LiFePO4 | LiFePO4 |
| Warranty (Years) | 5 | 10 |
| Battery Expansion Feasibility | Yes | Yes |
| App Control | Yes | Yes |
| $/Watt Hour | $.70 | $1.03 |
| Noise Level (db) | Not Specified | <50 |
| Solar Input Type | Dual MPPT (30-450V) | MC4 |
| USB-A Ports | 0 | 0 |
| USB-C Ports | 0 | 0 |
| Cost per Whᵈ | $0.70/Wh | $1.04/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 E10 (190.6 lbs) is a two-person lift. The EP900 + 2×B500 (343 lbs) is firmly a two-person lift. It goes where you put it and stays there. That's a 152 lb difference, which you'll feel every time you relocate.
EP900 + 2×B500: 50dB Under Load
50dB is about as loud as moderate rainfall. If you're running a CPAP or sleeping near this unit, the fan noise may be noticeable. Most people find anything above 45dB disruptive for sleep.
UPS Speed: line-interactive (<10ms) vs standby (<20ms)
The EP900 + 2×B500 switches to battery in 10ms (line-interactive (<10ms)), while the SOLIX E10 takes 20ms (standby (<20ms)). Safe for desktop PCs, routers, and CPAP machines. NAS drives are protected. This matters if you're using it as a home UPS for always-on equipment.
Battery Lifespan in Real Years
The EP900 + 2×B500 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. After hitting the cycle limit, the battery doesn't die. It drops to ~80% original capacity, which is still very usable.
SOLIX E10: Noise Level Not Disclosed
The EP900 + 2×B500 publishes its noise level (50dB), but the SOLIX E10 doesn't. Brands that don't disclose noise specs often have louder units. If noise matters to you (CPAP users, apartment dwellers), this is worth investigating before buying.
Full record above — the Test Desk pick is the SOLIX E10.
Check SOLIX E10 price →or check the EP900 + 2×B500 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.
| Metric | SOLIX E10 | EP900 + 2×B500 |
|---|---|---|
| Purchase price | $4,299.00 | $10,298.00 |
| Lifetime energy delivery | 24,576 kWh | 59,520 kWh |
| Cost per lifetime kWh | $0.17 | $0.17 |
| Cost per warranty year | $860/yr | $1,030/yr |
| Battery lifespan | 11yr daily · 38.5yr weekends · 76.9yr weekly | 16.4yr daily · 57.7yr weekends · 115.4yr weekly |
Analyst note
Both units have similar long-term ownership costs ($0.17/kWh vs $0.17/kWh). The price difference is what you see on the sticker — neither is a hidden bargain or rip-off.
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. Gen 2 lineup offers exceptional $/Wh value — some of the best in the market.
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.
BLUETTI
Ecosystem
One of the broadest lineups — 15-20+ models from budget (AC2A) to flagship (Apex 300, 3072Wh). Includes specialized products: vehicle solar hubs, sodium-ion cold-weather units, and balcony storage systems.
Support
The most inconsistent support in the space. Heavily email-based with China timezone delays. Some users get smooth, efficient service; others report weeks of troubleshooting runarounds, being offered discounts on new units instead of repairs, and confusing third-party purchase claim processes. Buying direct from Bluetti's website tends to produce better support outcomes.
Community
Active and growing — Reddit r/bluetti has a dedicated community. Second-largest after EcoFlow in engagement.
App experience
Rated 4.5/5 iOS and Android — tied for best app experience in the category. V3.0 UI redesign was well-received.
Unique strength
Best capacity-to-price ratio in the market — strongest value proposition overall. Widest product diversity including industry-firsts like sodium-ion cold-weather units and dual solar+alternator vehicle hubs. Full LFP standardization across lineup (3,500-6,000+ cycles). Dual-voltage (120V/240V) in flagships.
Worth knowing
Customer support inconsistency is the #1 risk factor. Older/discontinued units may become unrepairable — no spare parts policy for some models. Some reports of erratic communication from support agents.
Analyst note
Anker and BLUETTI are close competitors. Both have established support channels and growing ecosystems. Compare their specific warranty terms and community size for your peace of mind.
Growth path
SOLIX E10
EXPANDABLESupports Anker expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 6,144Wh.
Accepts up to 9,000W 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.
EP900 + 2×B500
EXPANDABLESupports BLUETTI expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 9,920Wh.
Accepts up to 9,000W of solar. Enough for a serious multi-panel array.
Limited ports. You'll likely need a power strip or splitter.
Expansion batteries are BLUETTI-specific. You're investing in the BLUETTI 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 E10 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 EP900 + 2×B500 wins in the scenarios that match your life, it's the right choice regardless of aggregate scores.
If neither the SOLIX E10 nor the EP900 + 2×B500 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 and BLUETTI 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 EP900 + 2×B500 worth $5,999 more than the SOLIX E10?
The short answer: yes, if you'll actually use the extra capability. The EP900 + 2×B500 costs $5,999 more, but that premium buys you 3,776Wh more battery capacity (that's 21 extra hours of running a mini-fridge); a longer-lasting battery rated for 6,000 cycles — that's 16 years at daily use. On a cost-per-watt-hour basis, you're paying $1.04/Wh vs $0.70/Wh. For regular use, we'd pay the premium.
How does the 3,776Wh capacity difference actually affect daily use?
The EP900 + 2×B500's 9,920Wh battery keeps a mini-fridge running for roughly 56 hours vs the SOLIX E10's 35 hours. Both can handle a full 8-hour blackout setup (fridge + router + lights + phone charging ≈ 1,645Wh), but the EP900 + 2×B500 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 EP900 + 2×B500'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 EP900 + 2×B500, or is the SOLIX E10 the only portable option?
Neither is "portable" in any hiking sense. The SOLIX E10 (190.6 lbs) and the EP900 + 2×B500 (343 lbs) are both appliances you place and leave. The 152.4-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.
"6,000 vs 4,000 cycles" — what does that actually mean for me?
In real years: the EP900 + 2×B500 (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 SOLIX E10 (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 9,920Wh unit becomes a ~7,936Wh unit. Still very usable. For weekend users, both batteries will outlast the warranty by years.
Is Anker or BLUETTI 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. BLUETTI: 2-6 years depending on model (up to 10 years on home backup systems). Response times vary significantly. Some reports of units being deemed unrepairable with no parts available for older models. 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 E10 or the EP900 + 2×B500?
We'd buy the SOLIX E10. Strong value at a lower price, and for most real-world use cases the spec gaps don't translate to meaningful capability gaps. The EP900 + 2×B500 makes sense only if you specifically need its higher capacity for demanding sustained loads like full-home backup or commercial use.
Where to buy
Anker SOLIX E10Pick
$4,299.00
$4,299.00 list · direct from Anker
BLUETTI EP900 + 2×B500
$10,298.00
$10,298.00 list · direct from BLUETTI
Prices may vary by retailer and are subject to change.