Head-to-head test
Anker SOLIX S5000 vs BLUETTI EP800 + 3×B500
A backup battery spends most of its life full and waiting, so cycle ratings rarely come into play; judged on what you get for the money on day one, the EP800 with three B500s is the cheaper watt-hour with nearly three times the energy.
Full profiles: Anker SOLIX S5000 →
Written by Gunner GustafsonUpdated
Whole-Home Backup Tester, Station Arena Test Desk
Spec deltas
On our record the BLUETTI EP800 with three B500 packs costs less per stored watt-hour than the S5000: about forty-two cents against fifty. It also has nearly three times the battery, 14,880Wh to 5,024Wh, plus 7,600W of output and a 10-year warranty. The S5000 is still $3,799 cheaper to buy outright.
The S5000's counter-argument is cycles. Rated 6,000 against the BLUETTI's 3,500, it comes out at eight cents per lifetime kWh to the BLUETTI's twelve. That's a real win, but only for a battery that gets cycled. A backup system mostly waits.
So this page splits on use. Installed backup that runs a few times a season: the BLUETTI. A machine that rolls out to the campsite, or a battery you drain and refill from solar every day: the S5000.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
Capacity
Scale usually costs a premium, and here it doesn't. Matching the BLUETTI's capacity on the Anker side means adding two BP5000 packs for 15,072Wh, and our record carries no price for the BP5000, so there's no evidence the Anker gets cheaper as it grows.
Cost per watt-hour: about forty-two cents on the BLUETTI, fifty on the S5000Capacity: 14,880Wh against 5,024WhWarranty: 10 years against 5
Why it mattersAnyone whose target is whole-home backup in the 15 kWh range should price the BLUETTI first.
rated cycles
The S5000's cycle advantage only becomes money for a daily cycler, where it lowers lifetime cost to eight cents per kWh against twelve. A backup system that sits charged between outages never collects that advantage.
BLUETTI rated 3,500 cycles; engine: 9.6 years at one cycle a day, 67.3 years at weekly useS5000 rated 6,000 cycles; engine: 16.4 years daily, 115.4 years weeklyBLUETTI warranty: 10 years
Why it mattersSolar self-consumers who drain the battery nightly should switch to the S5000; outage-only buyers can ignore the cycle gap.
solar input
So the BLUETTI holds about four times the nights of reserve and gives up nothing on recovery speed. The usual trade, a bigger bank that takes longer to refill, simply isn't there.
Solar input: 9,000W on the BLUETTI, 3,000W on the S50008-hour blackout: BLUETTI ends with 11,003Wh, 6.7 more nights; S5000 ends with 2,625Wh, 1.6 more nightsCapacity: 14,880Wh against 5,024Wh
Why it mattersHomes facing long outages with a solar array should treat the BLUETTI as the stronger system on both counts.
The specific dimensions that decide these two units — everything else is a tie.
Lifetime Value
Selected because: The two cost measures point opposite ways here: per stored watt-hour the BLUETTI is cheaper, per lifetime kWh the S5000 is.
cost / lifetime kWh
Two honest numbers, pointing opposite ways. Per watt-hour on the shelf, the BLUETTI is cheaper. Per kWh delivered over the rated life, the S5000 is, eight cents against twelve, because its 6,000 cycles stretch further.
Which number applies depends on how hard you use it. Lifetime cost only comes due if you spend the cycles. A battery that waits for storms is judged by what it holds and what it cost, and on those terms the BLUETTI gives you more.
Runtime: Will It Power Your Gear?
Selected because: The BLUETTI carries 6.7 more nights of reserve after a blackout to the S5000's 1.6.
continuous output
After an eight-hour blackout the BLUETTI is only 13% used. The S5000, at 39%, is fine for tonight and thinking about tomorrow.
That's 6.7 more nights of reserve against 1.6. In a week-long ice storm with no sun, it's the difference between a quiet house and a nightly generator run.
Growth Path
Selected because: Matching the BLUETTI's capacity on the Anker side means buying expansion packs our record doesn't price.
solar input
The S5000 can grow, up to five BP5000 packs and 30,144Wh in totalA6, and two packs would take it past this BLUETTI at 15,072Wh. What we can't tell you is the cost, because our record carries no BP5000 price, and no amount of battery lifts the S5000 past 4,500W of output.
The BLUETTI starts at 14,880Wh and 7,600W and takes 9,000W of solar to the S5000's 3,000W. If you want a big solar array feeding a big bank, it's already where the Anker would have to build up to.
Portability & Form Factor
Selected because: The S5000's wheels are its clearest win, and they only matter if the battery needs to leave the house.
weight
This is where the S5000 earns its case. At 97 lb on wheels with a pull rod, it rolls from garage to driveway to campsite. The BLUETTI's 483.6 lb across four boxes gets installed once and stays put.
Rolling has limits, though. The S5000's own label keeps it in non-habitable spaces, out of bedrooms and living areasA7. Choose it because you want backup at home and a weekend away from one machine. A bedside battery it is not.
Strengths & trade-offs
Anker SOLIX S5000
Strengths
- +Costs $3,799 less
- +Lighter by 386.6 lb
- +Rated for 6,000 charge cycles — much longer battery lifespan
Trade-offs
- –Weaker inverter (-3,100W) limits appliance compatibility.
- –Very heavy unit that may be difficult for one person to lift.
BLUETTI EP800 + 3×B500
Strengths
- +Larger battery capacity
- +Higher AC output
- +Longer warranty
- +Faster solar charging
Trade-offs
- –Substantially more expensive (+$3,799) than the SOLIX S5000.
- –Significantly heavier (+386.6 lbs), making it harder to move.
- –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.
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 EP800 + 3×B500 is installed at the electrical panel — it backs up the building and doesn't leave it, 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 EP800 + 3×B500's problem here; getting to a campsite was.
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
EP800 + 3×B500
Both survive the night. The EP800 + 3×B500 finishes at 13% used with 11,003Wh left — 6.7 more nights like it. The SOLIX S5000 finishes at 39% with 2,625Wh, 1.6 more nights like it. If your outages tend to run past one evening, that difference is the whole argument between them.
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 EP800 + 3×B500 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
EP800 + 3×B500
The EP800 + 3×B500 clears the workday at 7% used, banking 11,738Wh — late work, extra calls, or a second laptop charge without arithmetic. The SOLIX S5000 at 21% also finishes, with 3,360Wh of slack for the unplanned.
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 EP800 + 3×B500 is installed at the electrical panel — it backs up the building and doesn't leave it, 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 EP800 + 3×B500'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 gives you a powered van: the EP800 + 3×B500 has the energy but is wired to the building, and the SOLIX S5000 covers about 91% of the 4,685Wh. One can't go; the other can't finish.
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
For this load: EP800 + 3×B500 runs 61.7h vs 20.8h.
$6,299 list · direct from BLUETTI
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 0–843.2hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–168.6hHigh-Draw Appliances
These reveal the real limitsscale 0–12.6h¹ 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 EP800 + 3×B500, on Power Score margin
For installed home backup, take the BLUETTI. For $6,299 it brings 14,880Wh, 7,600W at the panel and a 10-year warranty, at about forty-two cents per stored watt-hour against the S5000's fifty. The S5000 is the better buy in two cases: you need the battery to leave the house, or you'll cycle it every day, where its 6,000-cycle rating gives it the lower lifetime cost. Confidence is 5 because the BLUETTI's case rests on rarely spending its 3,500 cycles, and because the S5000 hasn't been independently tested yet.
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.
$6,299.00 · direct from BLUETTI
Last checked 70 days ago. Prices move — check before you buy.
or check the SOLIX S5000 price$2,499.99 list
Written by Gunner Gustafson, Whole-Home Backup Tester · Station Arena Test Desk · Updated October 9, 2026
Measured Data
Benchmark scores and the full spec record, side by side.
Benchmark scores
Not rated for both units (minimum threshold unmet): Solar Generator.
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 S5000 rates 4.6/5 (74th percentile of 20 Home Backup-class units), and EP800 + 3×B500 rates 4.0/5 (43rd percentile of 29 Whole-Home / Off-Grid-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.
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 EP800 + 3×B500 (483.6 lbs) is a wall-installed system — its weight matters to the installer on day one, then never again.
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 EP800 + 3×B500 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.
Warranty: 10 Years vs 5
The EP800 + 3×B500 is covered for 10 years against the SOLIX S5000's 5 years. The cheaper SOLIX S5000 does buy more warranty per dollar (2 years per $1,000 against 1.6), but that is a statement about price, not about coverage — if a fault appears in year 6, only one of these is still covered. An underrated factor if you're keeping this unit for years.
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. One caution reading years across different sizes: a cycle is 5,024Wh on the SOLIX S5000 and 14,880Wh on the EP800 + 3×B500, so count lifetime energy — roughly 30,144 kWh against 52,080 kWh over the rated life. After hitting the cycle limit, the battery doesn't die — it drops to ~80% of original capacity, which is still very usable.
EP800 + 3×B500: Noise Level Not Disclosed
The SOLIX S5000 publishes its noise level (30dB); the EP800 + 3×B500 doesn't publish one. That isn't evidence the EP800 + 3×B500 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 EP800 + 3×B500 before deciding.
Full record above — the Test Desk pick is the EP800 + 3×B500.
Check EP800 + 3×B500 price →or check the SOLIX S5000 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 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. One caution on the lifespan row: the SOLIX S5000 takes longer to reach its cycle rating, but a cycle moves a different amount of energy on each unit — the EP800 + 3×B500 still delivers more over its shorter horizon (52,080 vs 30,144 kWh). Years measure wear, not usefulness.
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
Anker's consumer-electronics scale and a long-cycle LiFePO4 platform; the S5000 is rated 6,000 cycles to 80% and expands to five BP5000 packs.
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 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
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
Support is the shared risk, and it costs more on the BLUETTI side here. Anker's SOLIX support has slipped toward scripted answers and heavy-unit returns ship as hazmat; BLUETTI's is email-led and uneven, with better outcomes when bought direct. With an installed system and proprietary batteries, buy the BLUETTI from BLUETTI.
Growth path
SOLIX S5000
EXPANDABLESupports 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.
EP800 + 3×B500
EXPANDABLESupports BLUETTI expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 14,880Wh.
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, but the EP800 + 3×B500's higher solar ceiling (9,000W vs 3,000W) gives it the stronger off-grid growth path — more panels can feed a bigger bank as it grows.
What Owners Report
Patterns from published owner reports and long-term reviews — every claim cited to its source below.
Anker SOLIX S5000
Everything known about the S5000 so far comes from Anker. Its documentation establishes the 5,024Wh packA1, the 3,000W of solar across two inputsA5, expansion to five BP5000 packsA6, charging limits of 32 to 104°FA8 and the 97 lb wheeled buildA11. That's a clear spec sheet with no independent testing behind it yet.
“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.”
Sources
ankersolix.com
BLUETTI EP800 + 3×B500
No owner has reported on this exact three-battery stack. Our research borrowed what exists for the EP800 with two B500s, so these entries describe the platform rather than this configurationB0. Forum regulars rate the product but balk at the priceB1B2, and worry about support and about the B500s being unusable with any other inverter if BLUETTI's failsB3B4. One doubts BLUETTI's account of what running a house takesB5.
On the positive side, one forum member liked that the system can move with you to a new homeB6, and an owner of the sibling EP760 with B500 packs reports flawless switching and solid buildB8. One owner's app wouldn't show home consumption after fitting the CT clampB7, a setup snag worth knowing before the installer leaves.
“Haven't run accross any tests on this yet, but given the Bluetti marketing proclivity of over simplifying what it takes and how much energy it takes to power a house I have some doubts.”
Sources
solarquotes.com.au
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]
- Prospective buyers on DIY/solar forums consistently cite the EP800's price premium as the main barrier, even while acknowledging it's a strong product. [EP800 + 3×B500 · 2 entries]
- Forum members weighing a purchase voice skepticism about Bluetti's support reputation and the risk of proprietary battery lock-in if the inverter head unit ever fails. [EP800 + 3×B500 · 2 entries]
- Positive sentiment about the modular EP-series design centers on physical portability if relocating and, in a sibling EP760+B500 install, flawless build quality and switchover. [EP800 + 3×B500 · 2 entries]
- A1
“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 · [positive]
- A5
“Two solar inputs, 3,000 W together: 11–60 V at 17 A (1,000 W) and 16–165 V at 17 A (2,000 W).”
Anker rating label, model AS510 (certified 2026-09-15) · 2026-09-15 · [positive]
- A6
“Expands with up to five BP5000 expansion batteries (model AS5101A1-85), each 5,024 Wh, for 30,144 Wh in total. They join through a 400 V DC port rated 9,000 W in and 7,500 W out; each battery charges at up to 3,200 W and discharges at up to 3,000 W.”
Anker rating label, model AS510 (certified 2026-09-15) · 2026-09-15 · [positive]
- A7
“Rated for residential non-habitable spaces; holding more than 1 kWh, it belongs outside sleeping rooms and other living spaces.”
Anker rating label, model AS510 (certified 2026-09-15) · 2026-09-15 · [mixed]
- A8
“Charges at 0–40 °C (32–104 °F); runs at −20–40 °C (−4–104 °F).”
Anker rating label, model AS510 (certified 2026-09-15) · 2026-09-15 · [mixed]
- 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]
- B1
“It's a good product, but... many guys wallet won't allow it.”
DIY Solar Power Forum — "Has anyone used the Bluetti EP800 System?" thread · 2024-06 · [negative]
- B2
“I feel that the premiums of the leading power station companies's products are too high... In the current economic environment, products with high cost performance are more suitable for most people.”
DIY Solar Power Forum — "Has anyone used the Bluetti EP800 System?" thread · 2024-06 · [negative]
- B3
“Reputation for support is not great.”
DIY Solar Power Forum — "Has anyone used the Bluetti EP800 System?" thread · 2024-06 · [negative]
- B4
“If the inverter fails, the batteries are unusable with any other Inverter.”
DIY Solar Power Forum — "Has anyone used the Bluetti EP800 System?" thread · 2024-06 · [negative]
- B5
“Haven't run accross any tests on this yet, but given the Bluetti marketing proclivity of over simplifying what it takes and how much energy it takes to power a house I have some doubts.”
DIY Solar Power Forum — "Has anyone used the Bluetti EP800 System?" thread · 2024-06 · [mixed]
- B6
“The ability to take it with you. Meaning if you move homes, it seems like it would be a easy move, vs Tesla/Enphase/Franklin/etc.”
DIY Solar Power Forum — "Has anyone used the Bluetti EP800 System?" thread · 2024-06 · [positive]
- B7
“CT clamp was placed on L1 with the arrow pointing towards the grid, but the system did not show home consumption in the app.”
BLUETTI Community forum — EP800 CT clamp / load-monitoring thread · unknown · [negative]
- B8
“Has performed flawlessly... switches seamlessly and reliably, with no issues whatsoever. Outstanding build quality and an intuitive app.”
SolarQuotes.com.au — "Bluetti | Battery Review: Pros, Cons & Final Verdict" (owner installed EP760 + 8×B500) · 2026-05 · [positive]
Research compiled October 9, 2026.
Who Should Buy Which
Buy the SOLIX S5000 if you…
- →The family that wants one battery for the garage during outages and for the RV pad on holiday, where the TT-30R plugs straight into the trailer.
- →The solar owner who drains and refills the battery every day, where 6,000 rated cycles beat 3,500 on lifetime cost.
- →Anyone whose budget stops at the S5000's price, since it's $3,799 less to buy outright.
Buy the EP800 + 3×B500 if you…
- →The homeowner who wants the whole panel backed up, 7,600W and nearly three times the S5000's energy, installed once with 10 years of cover.
- →The house with a solar array and no generator, facing outages that last days, where 6.7 nights of reserve and a 9,000W solar input do the work.
If neither fits
Renters should skip both. A hardwired system needs panel access, and a 97 lb cabinet rated out of living spaces needs a garage. A smaller portable station of 1 to 2 kWh is the realistic option for an apartment.
The Bottom Line
For a battery that waits for storms, the BLUETTI is the better purchase: the cheaper watt-hour, nearly three times the energy, 7,600W at the panel and a decade of cover, with the S5000's cycle advantage left unspent.
Pick the S5000 only if it has to roll, or if you'll cycle it every day. Otherwise, call the installer and take the BLUETTI.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Is the BLUETTI EP800 + 3×B500 better value than the Anker SOLIX S5000?
Per stored watt-hour, yes: about forty-two cents against fifty, with nearly three times the energy. Per kWh delivered over the rated life, the S5000 wins, eight cents against twelve, because it's rated 6,000 cycles to 3,500. Backup use favours the first number and daily cycling the second.
Does the 3,500-cycle rating on the EP800 matter for home backup?
Rarely. At one full cycle a day the BLUETTI's rating runs out at 9.6 years, inside its 10-year warranty, and backup systems cycle far less often than that. It matters if you use the battery daily for solar shifting.
Can I expand the S5000 to match the EP800 system?
On capacity, yes: two BP5000 packs take it to 15,072Wh, above the BLUETTI's 14,880Wh. On output, no: it stays at 4,500W against 7,600W however many packs you add. Our record has no BP5000 price, so we can't compare the cost of that setup.
How long do these last in a power outage?
On our eight-hour blackout load, the BLUETTI finishes with 11,003Wh left, about 6.7 more nights. The S5000 finishes with 2,625Wh, about 1.6 more. Both refill from full-rated solar in under two hours.
Where to buy
Anker SOLIX S5000
$2,499.99
$2,499.99 · direct from Anker
BLUETTI EP800 + 3×B500Pick
$6,299.00
$6,299.00 · direct from BLUETTI
Last checked 70 days ago. Prices move — check before you buy.
Prices may vary by retailer and are subject to change.