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Head-to-head test

Anker SOLIX S5000 vs BLUETTI EP500Pro

The Pro patches the EP500's two weakest numbers, output and solar input, and still lands short of the S5000 on both while costing more and weighing 187 lb; what it has that the Anker doesn't is a long-term record.

Full profiles: Anker SOLIX S5000 → · BLUETTI EP500Pro →

Written by Gunner GustafsonUpdated

Whole-Home Backup Tester, Station Arena Test Desk

Stack these against 100+ rivals
MethodologyReader-supported — we may earn from links (details)

Spec deltas

Capacity
5,024Wh
5,120Wh
Output
4,500W
3,000W
Weight
97 lb
187 lb
Typical price
$2,500
$3,499
Cost / Wh
$0.50
$0.68
Cycle life
6,000
3,500
Solar input
3,000W
2,400W
01

The EP500Pro costs $999 more than the S5000 and loses on output, solar input, weight and rated cycles. That's a blunt thing to say about BLUETTI's bigger EP500, but the inverter alone tells it: 3,000W against 4,500W, with no 240V outlet on the Pro's side.

What the Pro has is a record. A CleanTechnica follow-up after a year and a half found it still working as it did from the startB1, and one review called its output rock-solid at high loadB9. The S5000 can't show anything like that yet; its spec sheet is Anker's wordA0.

That's worth something, and it's why this verdict isn't higher. It isn't worth paying more for a heavier unit with a smaller inverter.

02

What the Numbers Reveal

Each conclusion stated first — the numbers behind it on one line, the full analysis below.

F1

weight

Both are installed-in-the-garage batteries, but only the S5000 is one you can relocate alone when the garage floods or you change houses. Moving the Pro is closer to an appliance delivery.

EP500Pro: 187 lb on our recordEven two fit people would struggle to move the Pro upstairsB7S5000: 97 lb, on wheels with a pull rod and foot pedalA11

Why it mattersRenters, and anyone who expects to move the battery even once, should count the 90 lb as a real cost rather than a footnote.

F2

continuous output

The S5000 pulls away once there's a 240V source. A dryer outlet or a generator's 240V receptacle feeds it at up to 4,500W, which Anker says fills it from empty in 99 minutesA17. On solar it takes 600W more than the Pro.

EP500Pro charged 50% to 100% in about 1 hr 35 min on a standard 120V outletB3S5000 AC charging: up to 1,800W from 120V or 4,500W from 240VA4Anker quotes 0 to 100% in 99 minutesA17Solar input: 3,000W (S5000) vs 2,400W (EP500Pro)

Why it mattersIf you own a 240V generator, the S5000 turns a short run of it into a full battery, on Anker's figures.

F3

cost / lifetime kWh

The Pro's best field result is about sitting still: pulled from storage after about a year, it still held roughly 49%B2. That's a strong case for the battery that waits in a closet for the next ice storm, where cycle count barely matters, and a weak one for daily solar use, where 6,000 rated cycles against 3,500 compound every day.

S5000: 30,144 kWh over rated life, $0.08 per lifetime kWhEP500Pro: 17,920 kWh over rated life, $0.20 per lifetime kWhEP500Pro retained roughly 49% charge after about a year in storageB2

Why it mattersThe storm-closet buyer can set the cycle gap aside; the daily cycler can't.

The specific dimensions that decide these two units — everything else is a tie.

Lifetime Value

Selected because: The Pro costs more up front and is rated for fewer cycles, so the cost-per-kWh gap compounds.

cost / lifetime kWh

Twenty cents a lifetime kWh against eight, and the more expensive unit is the shorter-lived one. Both carry 5-year warranties, the Pro's up to 5 years with registration or a direct purchase.

The only reading under which the Pro's cost holds up is the one where you barely cycle it: the closet battery, charged twice a year and kept for the storm.

What the Specs Don't Tell You

Selected because: Switchover, noise disclosure and the 12V socket split along different lines here.

rated cycles

Three cards matter. The S5000 is rated ≤10 ms on switchover against the Pro's ≤20 ms, the line that decides whether a fussy desktop power supply rides through; both are ratings.

Anker publishes 30 dB for quiet operation, a best-case figureA13, and BLUETTI publishes nothing, though one review found the Pro's fan very quietB6. And the honest catch on our pick: the S5000 has no 12V car outletA15, where the Pro has one.

Portability & Form Factor

Selected because: The Pro is a two-person lift at 187 lb; the S5000 rolls at 97 lb.

weight

Moving the Pro is a two-person job on the flat and a hard one on stairs, by one review's accountB7. The S5000 tips back on a foot step and rolls on a pull rodA10A11. Ninety pounds is the difference between those two afternoons.

Your Life, Your Pick

Selected because: The batteries are 96Wh apart, so the scenario rows show where capacity stops deciding anything.

Capacity decides none of these rows. Both pass the blackout, CPAP and workday runs with thousands of watt-hours left, and both trip on the van-life day, the S5000 415Wh short and the Pro 333Wh, after a flat 15% allowance that both nameplates would clear. Camping and tailgating go to the S5000 for the reason they always go to the lighter box.

Strengths & trade-offs

Anker SOLIX S5000

Strengths

  • +Costs $999 less
  • +Lighter by 90 lb
  • +Higher AC output
  • +Faster solar charging
  • +Rated for 6,000 charge cycles — much longer battery lifespan

Trade-offs

  • –Very heavy unit that may be difficult for one person to lift.

BLUETTI EP500Pro

Strengths

  • +Larger battery capacity

Trade-offs

  • –Substantially more expensive (+$999) than the SOLIX S5000.
  • –Significantly heavier (+90 lbs), making it harder to move.
  • –Weaker inverter (-1,500W) limits appliance compatibility.
  • –Very heavy unit that may be difficult for one person to lift.
  • –Shorter-lived battery — rated for 3,500 charge cycles vs the SOLIX S5000's 6,000, so it wears out sooner.
03

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 S5000

The EP500Pro at 187 lbs is not a take-along — it rolls off a truck bed if it travels at all, so this scenario belongs to the SOLIX S5000 by default — and it earns it, covering the 2,100Wh with 2,170Wh to spare. Capacity was never the EP500Pro's problem here; getting to a campsite was.

Camping power station guide →

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

Either unit

Both survive the blackout with similar margin, and both list a UPS mode — compare their stated switchover classes, and remember those are manufacturer ratings, not measurements.

Emergency blackout power guide →

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 EP500Pro 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

Either unit

Both power your workstation all day without strain, and their USB-C output is a wash — pick on weight, ports, or price.

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

SOLIX S5000

The EP500Pro at 187 lbs is not a take-along — it rolls off a truck bed if it travels at all, so this scenario belongs to the SOLIX S5000 by default — and it earns it, covering the 670Wh with 3,600Wh to spare. Capacity was never the EP500Pro's problem here; getting to a tailgate was.

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 S5000 comes up 415Wh short (about 91% covered) (its nameplate 5,024Wh actually clears this — the flat 15% conversion allowance is what tips it under), the EP500Pro 333Wh (93%) (its nameplate 5,120Wh actually clears this — the flat 15% conversion allowance is what tips it under). Either gets you most of the way, so this is a scenario you plan around rather than one you should rule them out for.

RV & van-life power guide →

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

SOLIX S500020.8h
38% of usable battery in 8h
EP500Pro21.2h
38% of usable battery in 8h

Dead heat — both run this 205W load for roughly 20.8h. Pick on price, weight, or ports.

Planning for more than this? Describe your whole setup and get it sized →

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 0–290.1h
ApplianceSOLIX S5000EP500Pro
CPAP Machine40W draw
SOLIX S5000: 106.8h13 full nights
EP500Pro: 108.8h13 full nights
Phone Charger15W draw
SOLIX S5000: 284.7h
EP500Pro: 290.1h
Router + Modem20W draw
SOLIX S5000: 213.5h
EP500Pro: 217.6h
Starlink75W draw
SOLIX S5000: 56.9h
EP500Pro: 58h
LED Lights (4 bulbs)40W draw
SOLIX S5000: 106.8h
EP500Pro: 108.8h
Laptop (Working)60W draw
SOLIX S5000: 71.2h
EP500Pro: 72.5h

Comfort & Convenience

Makes off-grid life actually enjoyablescale 0–58h
ApplianceSOLIX S5000EP500Pro
Box Fan75W draw
SOLIX S5000: 56.9h
EP500Pro: 58h
LED TV (55")80W draw
SOLIX S5000: 53.4h
EP500Pro: 54.4h
Mini-Fridge150W draw
SOLIX S5000: 28.5h
EP500Pro: 29h
Electric Blanket200W draw
SOLIX S5000: 21.4h2 full nights
EP500Pro: 21.8h2 full nights

High-Draw Appliances

These reveal the real limitsscale 0–4.4h
ApplianceSOLIX S5000EP500Pro
Coffee Maker1000W draw
SOLIX S5000: 4.3h
EP500Pro: 4.4h
Microwave1200W draw
SOLIX S5000 & EP500Pro: 3.6h · same
Space Heater1500W draw
SOLIX S5000: 2.8h
EP500Pro: 2.9h

¹ 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

October 9, 2026

Verdict: the SOLIX S5000

Take the S5000. The Pro raises the EP500 formula to 3,000W of output and 2,400W of solar, but the S5000 still leads at 4,500W and 3,000W, adds a 240V outlet, and weighs 97 lb to the Pro's 187 lb. It also costs less, $2,500 against $3,499, and its 6,000-cycle rating against 3,500 puts lifetime energy at $0.08 a kWh against $0.20. The Pro's genuine edge is evidence: a year-and-a-half follow-up found it working as it did at the startB1, while the S5000 has nothing yet beyond Anker's own documentsA0.

Cost to ownSOLIX S5000$0.08 vs $0.20 /lifetime-kWh
Cycle lifeSOLIX S50006,000 vs 3,500 cycles
Continuous outputSOLIX S50004,500W vs 3,000W
Typical priceSOLIX S5000$2,500 vs $3,499
PortabilitySOLIX S500097 vs 187 lb
Solar inputSOLIX S50003,000W vs 2,400W
■■■■■■■□□□7/10

Editor-assigned confidence, based on cited owner research and spec analysis.

List prices as of October 9, 2026. The links below open Anker's and BLUETTI's current prices.

Check SOLIX S5000 price

$2,499.99 · direct from Anker

or check the EP500Pro price$3,499.00 list

Written by Gunner Gustafson, Whole-Home Backup Tester · Station Arena Test Desk · Updated October 9, 2026

Black Friday · 45 days out

Price to beat:EP500Pro $3,499

We have never seen it discounted, so any real cut would be a first.

Black Friday deals →
04

Measured Data

Benchmark scores and the full spec record, side by side.

Benchmark scores

SOLIX S5000EP500Pro
Overall Power Score
6,378
5,066
Home BackupCapacity & Resilience
6,583
5,129
Food TruckSustained Heavy Output
5,976
4,672

Not rated for both units (minimum threshold unmet): Solar Generator.

Full specifications

SOLIX S5000
$2,499.99★ our pick
Updated Oct 9
See live price →
EP500Pro
$3,499
Updated Oct 9
See live price →
Capacity (Wh)
5024
5120
Output (W)
4500
3000
Surge Peak
8000W
6000W
AC Outlets
6
5
240V Outlets
1
0
30A RV Outlets
1
0

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 S5000 rates 4.6/5 (74th percentile of 20 Home Backup-class units), and EP500Pro rates 3.5/5 (11th percentile of 20 Home Backup-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.

[CAUTION]

Weight Reality Check

Neither unit is grab-and-go. The SOLIX S5000 (97 lbs) is manageable solo but heavier than a large checked suitcase. The EP500Pro (187 lbs) is firmly a two-person lift. It goes where you put it and stays there. That's a 90 lb difference, and it is paid once — getting the heavier one into position, not every time you move it.

[NOTE]

EP500Pro: Fixed Capacity

The EP500Pro is sealed at 5,120Wh — a complete unit, and already larger than the SOLIX S5000's 5,024Wh. By contrast the SOLIX S5000 can add expansion batteries, but that only pulls ahead if you'd grow past 5,120Wh.

[NOTE]

UPS Switchover: ≤10ms vs ≤20ms

Both list a UPS mode, at different rated speeds. The SOLIX S5000 is rated ≤10ms — quick enough on paper that desktop PCs and routers should ride through, treating that as the rating it is. The EP500Pro is rated ≤20ms — fine on paper for routers and most electronics; the fussiest PC power supplies sit right at this line. If a computer with unsaved work is the thing being protected, the stated class is worth the attention; nothing here is a lab result.

[NOTE]

Warranty: No Difference

Both units carry the same 5-year warranty, so coverage isn't a tiebreaker here. The EP500Pro's figure is a maximum rather than a guarantee — it depends on buying direct from BLUETTI or registering the unit, since reseller purchases carry a shorter term. Worth saying because the per-dollar framing can suggest otherwise: the SOLIX S5000 works out at 2 years of cover per $1,000 spent against the EP500Pro's 1.4, but that spread is the price gap, not the terms.

[NOTE]

Battery Lifespan in Real Years

The SOLIX S5000 is rated for 6,000 cycles vs 3,500. In real life: at daily use, that's 16.4 vs 9.6 years. At weekend use (twice a week), it's 58 vs 34 years. After hitting the cycle limit, the battery doesn't die — it drops to ~80% of original capacity, which is still very usable.

[NOTE]

EP500Pro: Noise Level Not Disclosed

The SOLIX S5000 publishes its noise level (30dB); the EP500Pro doesn't publish one. That isn't evidence the EP500Pro 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 S5000's 30dB as the only published number on the table — a spec-sheet figure, not a measurement — and look for hands-on reports of the EP500Pro before deciding.

Full record above — the Test Desk pick is the SOLIX S5000.

Check SOLIX S5000 price →or check the EP500Pro price
05

Ownership Analysis

What happens after you buy — true cost of ownership, brand trust, and growth potential.

Lifetime value

SOLIX S5000EP500Pro

│ warranty ends · Reaching the cycle rating means ~80% capacity remains — degraded, not dead.

SOLIX S5000
EP500Pro
Purchase price
$2,499.99
$3,499.00
Lifetime energy delivered
30,144 kWh
17,920 kWh
Cost per lifetime kWh
$0.08
$0.20
Cost per warranty year
$500/yr
$700/yr
Battery lifespan
16.4yr daily · 57.7yr weekends · 115.4yr weekly
9.6yr daily · 33.7yr weekends · 67.3yr weekly

Analyst note

The SOLIX S5000 wins on both sticker price and long-term value. At $0.08/kWh over its lifetime, it's meaningfully cheaper to own. Clear value winner.

Delivers each lifetime kWh for $0.12 less — check the SOLIX S5000 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

The Anker name carries consumer-electronics scale into SOLIX, and the S5000 is built for house duty: a 240V split-phase outlet and UL 9540 certification.

Worth knowing

SOLIX support quality is reported to be trending down from Anker's historic standard, with generic agent replies and hazmat-shipping returns on heavy units.

All Anker power stations tested →

BLUETTI

Ecosystem

One of the broadest lineups — 15-20+ models from budget (AC2A) to flagship portable (Apex 300, 2764.8Wh). 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

Among the best capacity-to-price ratios available — several Elite and Apex units are the lowest $/Wh in the catalog. Widest product diversity including industry-firsts like sodium-ion cold-weather units and dual solar+alternator vehicle hubs. LFP across the rest of the range, though rated cycle life spans 2,500 (EB3A) to 6,000, and it varies WITHIN the Elite range rather than tracking it — the Elite 300 and Elite 200 V2 are rated 6,000 while the Elite 30 V2, Elite 10 Mini, Elite 320 and Elite 400 are rated 3,000+ and the Elite 100 V2 4,000+, so check the specific model. Dual-voltage (120V/240V) in flagships.

Worth knowing

BLUETTI support is email-heavy and inconsistent, and buying direct tends to go better. Third-party purchase claims are reported as confusing, so register the unit in your own name.

All BLUETTI power stations tested →

Analyst note

Neither brand's support is a selling point right now. BLUETTI's is the more variable by report, Anker's the more scripted; the hardware gap matters more than either.

Growth path

SOLIX S5000

EXPANDABLE

Supports Anker expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 5,024Wh.

Accepts up to 3,000W of solar. Enough for a serious multi-panel array.

Adequate ports for most setups, but heavy users may want a power strip.

Expansion batteries are Anker-specific. You're investing in the Anker ecosystem.

EP500Pro

FIXED CAPACITY

Fixed at 5,120Wh — a sealed, complete system rather than a starting point. There's no expansion port, so that figure is the ceiling: check it against your longest unplugged stretch before you buy.

Accepts up to 2,400W of solar. Enough for a serious multi-panel array.

Adequate ports for most setups, but heavy users may want a power strip.

SOLIX S5000EP500Pro

Analyst note

Don't read the SOLIX S5000's expandability as a straight win here: it starts at 5,024Wh, below the EP500Pro's 5,120Wh, so a first expansion battery largely buys back capacity the EP500Pro already includes. It only pulls ahead if you'd grow past 5,120Wh — short of that, the EP500Pro's larger fixed capacity is the simpler value.

06

What Owners Report

Patterns from published owner reports and long-term reviews — every claim cited to its source below.

Anker SOLIX S5000

For the S5000, the evidence so far is Anker's documentation and nothing elseA0. It sets out the 6,000-cycle rating to 80% and 5 years of coverageA12, AC charging at up to 4,500W from 240VA4, and the UL 9540 and 9540A certificationsA19. None of it has been checked outside Anker.

“5,024 Wh LiFePO4 pack rated 16 V, 314 Ah; the cell code IFpP72/175/208[5S] reads as five large prismatic cells in series.”
— Anker rating label, model AS510 (certified 2026-09-15), 2026-09-15

Sources

ankersolix.com

BLUETTI EP500Pro

CleanTechnica's year-and-a-half follow-up found the Pro still working as it did at the startB1, with minimal self-discharge after about a year in storageB2 and a 50-to-100% recharge in about 1 hour 35 minutes on 120VB3. Reviewers found output rock-solid at high loadB9 and the fan very quietB6.

The complaints are weightB7B11, an app and display short on runtime detailB5B8, and support: one review found BLUETTI hard to reachB4, and one owner of a secondhand unit was refused help for not being the original buyerB10.

“After 1.5 years, the system still works superbly — there's still plenty of battery capacity, and it all seems to be operating how it did from the beginning.”
— cleantechnica.com — BLUETTI EP500 Pro — 1½ Years Later, 2025-03

Sources

cleantechnica.com · freshlycharged.com · trustedreviews.com · diysolarforum.com · technicaltrendy.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

  • No owner or reviewer reports exist yet: every entry is Anker documentation (rating label, product page, launch announcement), plus one of our own readings of the app and label drawing. [SOLIX S5000 · 20 entries]
  • Reviewers repeatedly flag the EP500 Pro's 180+ lb weight as making it essentially immovable without its wheels, needing two people to shift it upstairs. [EP500Pro · 2 entries]
  • Long-term owners report the EP500 Pro holds its charge and function well after a year-plus in storage, with minimal capacity loss. [EP500Pro · 2 entries]
  • The app and display are called out as limited on real-time detail (no runtime estimate, no output scheduling) despite solid core power performance. [EP500Pro · 2 entries]
  • A4

    “AC charging up to 1,800 W from a 120 V outlet (15 A for under three hours, 12 A continuous), or up to 4,500 W from 240 V. The same AC port runs bypass mode, passing wall power through to the outlets.”

    Anker rating label, model AS510 (certified 2026-09-15) · 2026-09-15 · [positive]

  • A10

    “An upright cabinet with a handle on top, a full-width front panel with a display, and wheels at the base; the label drawing of the back adds a foot step marked STEP ON for tipping it back onto its wheels.”

    Power Station Arena, read from the S5000 card in the Anker app and the label drawing, 2026-09-20 · 2026-09-15 · [positive]

  • A11

    “Net weight 97 lb; 10.6 × 22.0 × 15.2 in (W × D × H), on wheels with a pull rod and foot pedal.”

    Anker SOLIX S5000 product page, ankersolix.com/s5000 (published 2026-10-09) · 2026-10-09 · [positive]

  • A12

    “Cycle life: 6,000 cycles to 80% capacity, 10,000 cycles to 60%; Anker estimates a 15-year lifespan at 1 to 2 cycles a day, with 5 years of product coverage.”

    Anker SOLIX S5000 product page, ankersolix.com/s5000 (published 2026-10-09) · 2026-10-09 · [positive]

  • A13

    “UPS switchover ≤10 ms; Anker quotes 30 dB in quiet operation.”

    Anker SOLIX S5000 product page, ankersolix.com/s5000 (published 2026-10-09) · 2026-10-09 · [positive]

  • A15

    “Front panel: four NEMA 5-20R outlets at 120 V, one L14-30R and one TT-30R, plus USB-A 12 W, USB-C 15 W and USB-C 100 W. No 12 V car outlet is listed.”

    Anker SOLIX S5000 product page, ankersolix.com/s5000 (published 2026-10-09) · 2026-10-09 · [neutral]

  • A17

    “Single-unit charging power 4,300 W; Anker quotes 0 to 100% in 99 minutes. AC input 1,800 W at 120 V or 4,500 W at 240 V.”

    Anker SOLIX S5000 product page, ankersolix.com/s5000 (published 2026-10-09) · 2026-10-09 · [positive]

  • A19

    “UL 9540 and UL 9540A certified.”

    Anker SOLIX S5000 product page, ankersolix.com/s5000 (published 2026-10-09) · 2026-10-09 · [positive]

  • B1

    “After 1.5 years, the system still works superbly — there's still plenty of battery capacity, and it all seems to be operating how it did from the beginning.”

    cleantechnica.com — BLUETTI EP500 Pro — 1½ Years Later · 2025-03 · [positive]

  • B2

    “Pulled from storage after about a year, the unit still retained roughly 49% charge — self-discharge over that time was minimal.”

    cleantechnica.com — BLUETTI EP500 Pro — 1½ Years Later · 2025-03 · [positive]

  • B3

    “After a long storage period, it charged from 50% to 100% in about 1 hour 35 minutes on a standard 120V outlet.”

    cleantechnica.com — BLUETTI EP500 Pro — 1½ Years Later · 2025-03 · [positive]

  • B4

    “Customer service is difficult to get in contact with.”

    freshlycharged.com — Bluetti EP500Pro Review: This Thing is Big and Smart! · unknown · [negative]

  • B5

    “The display does not show the estimated run time, and it gets washed out in direct sunlight.”

    freshlycharged.com — Bluetti EP500Pro Review: This Thing is Big and Smart! · unknown · [negative]

  • B6

    “The fan on the EP500 Pro is very quiet.”

    freshlycharged.com — Bluetti EP500Pro Review: This Thing is Big and Smart! · unknown · [positive]

  • B7

    “At 83kg it's far too heavy for a single user to lift — even two fit people would struggle to move it upstairs.”

    trustedreviews.com — Bluetti EP500Pro Review: A staggering amount of power · unknown · [negative]

  • B8

    “The app doesn't do the sums to let you know when you can expect it to stop charging, and you can't schedule the AC or DC outputs.”

    trustedreviews.com — Bluetti EP500Pro Review: A staggering amount of power · unknown · [negative]

  • B9

    “Power output is rock-solid and very stable, even at high load.”

    trustedreviews.com — Bluetti EP500Pro Review: A staggering amount of power · unknown · [positive]

  • B10

    “A used EP500 Pro threw error code 006 (SPS voltage low) and wouldn't charge or power any ports; Bluetti refused support since the owner wasn't the original buyer.”

    diysolarforum.com — "help with my bluetti ep500pro" thread · unknown · [negative]

  • B11

    “It weighs 182 pounds, which makes it less portable than some other power stations on the market.”

    technicaltrendy.com — BLUETTI EP500Pro Solar Power Station Review · unknown · [negative]

Research compiled October 9, 2026.

07

Who Should Buy Which

Buy the SOLIX S5000 if you…

  • →The home that wants its backup battery to feed a 240V circuit and still be movable by one person.
  • →Generator owners with a 240V receptacle who want a short run to mean a full battery.
  • →Daily solar cyclers, for whom 6,000 rated cycles against 3,500 is the line that compounds.

This is you — check the SOLIX S5000 price

Buy the EP500Pro if you…

  • →The storm-closet buyer who will charge it, park it, and want it still holding about half its charge a year laterB2.
  • →Someone who values a long-term reviewed record over a spec sheet and is willing to pay $999 more for itB1.
  • →Anyone who runs 12V DC gear directly off a car socket.

This is you — check the EP500Pro price

If neither fits

If it has to ride in a car trunk, neither does: at 97 lb and 187 lb these are fixtures. Look in the carry-handle class instead.

08

The Bottom Line

The Pro fixes part of what held the EP500 back and charges more for it, and the S5000 still beats it on output, solar, weight and lifetime cost. Buy the Pro only if a long-term reviewed record is worth more to you than all four. Otherwise, the S5000.

09

Frequently Asked Questions

Answers drawn from the spec record and cited owner research.

Does the EP500Pro's 3,000W inverter catch up with the Anker S5000?

No. It sits 1,500W short of the S5000's 4,500W continuous, and its 6,000W surge sits under the Anker's 8,000W peak. It also has no 240V outlet on our record.

How heavy is the BLUETTI EP500Pro?

187 lb on our record, 90 lb more than the S5000's 97 lb. It rolls, but one review notes even two fit people would struggle to get it upstairs.

Is the EP500Pro reliable long term?

The evidence is good: a year-and-a-half follow-up found it working as it did at the start, and it kept roughly 49% charge after about a year in storage. The caution is support; one owner of a secondhand unit was refused help as the second owner, so buy it first-hand and register it.

Which is quieter, the S5000 or the EP500Pro?

Nobody can say from the spec sheets. Anker publishes 30 dB for the S5000's quiet operation, a best-case figure, and BLUETTI publishes none; one review found the Pro's fan very quiet.

Check SOLIX S5000 price →

Where to buy

SOLIX S5000

Anker SOLIX S5000Pick

$2,499.99

Check current price

$2,499.99 · direct from Anker

EP500Pro

BLUETTI EP500Pro

$3,499.00

Check current price

$3,499.00 · direct from BLUETTI

Last checked 28 days ago. Prices move — check before you buy.

Prices may vary by retailer and are subject to change.