Head-to-head test
Anker 2×SOLIX E10 + 4×B6000 + Power Dock vs Anker SOLIX S5000
Anker 2×SOLIX E10 + 4×B6000 + Power Dock vs Anker SOLIX S5000: the stack holds 24,576Wh and pushes 15,200W through your panel; the S5000 holds 5,024Wh at a lower cost per watt-hour and expands past the stack's capacity. Buy the S5000 unless your house needs more than 4,500W running at once.
Full profiles: Anker SOLIX S5000 →
Written by Gunner GustafsonUpdated
Whole-Home Backup Tester, Station Arena Test Desk
Spec deltas
The S5000 stores 5,024 Wh for $2,500; the Anker 2×SOLIX E10 + 4×B6000 + Power Dock stores 24,576 Wh for $14,098, and per watt-hour the small box is the cheaper one, $0.50 against $0.57. That's backwards from how scale usually works, and it frames the whole page. The stack isn't selling you cheaper energy. It's selling you a bigger inverter and a seat in your electrical panel.
Those are real things. Two E10s put out 15,200 W continuous with a 20,000 W ceiling, wired to the panel so every circuit in the house sees backup and nobody runs a cord. The S5000 tops out at 4,500 W, delivered through an L14-30R at 240 V split-phase, a TT-30R and four 20 A household outlets. It powers what you plug in, or the circuits an electrician routes to it through an inlet and transfer switch.
Our pick is the S5000 for anyone whose backup plan is essentials rather than the whole house. The catch comes up later: it's 97 lb of cabinet that Anker's own label rates for non-habitable spacesB7, so it lives in the garage, not beside the bed.
What the Numbers Reveal
Each conclusion stated first — the numbers behind it on one line, the full analysis below.
Capacity
So capacity can't be the reason to pay the premium. Our record carries no BP5000 price, so we can't say what a fully grown S5000 costs, but the ceiling alone means an S5000 owner is never boxed in below this stack's size. What the premium actually buys is 15,200 W against 4,500 W and a hardwired panel connection.
E10 stack: 24,576 Wh at $.57 per WhS5000: 5,024 Wh at $.50 per WhS5000 expands with up to five BP5000 packs to 30,144 WhB6
Why it mattersIf the stack's watt-hours were what caught your eye, the S5000 covers that need for less; buy the stack only for its output and its wiring.
Sun narrows that gap fast. At the full 3,000 W, solar can refill the S5000's 5,024 Wh in under two hours of input, so through a long outage with clear skies it resets every day. The stack's reserve becomes irreplaceable only when the grid stays down and the panels stay dark together.
8-Hour Blackout: S5000 ends at 39% used with 2,625 Wh left, about 1.6 more nights8-Hour Blackout: E10 stack ends at 8% used with 19,245 Wh left, about 11.7 more nightsS5000 solar input: 3,000 W across two inputsB5
Why it mattersBuyers who lose power in multi-day winter storms are the ones the stack's depth really serves; sunny-climate outages favour the S5000.
cost / lifetime kWh
That figure only bites if you cycle the battery, say shifting solar into the evening every day. As standby insurance a battery sits full most of the year and never approaches its rating. Either way the S5000 already won on purchase price per watt-hour, so the lifetime column only widens a lead it had.
S5000: 6,000 cycles to 80%, $0.08 per lifetime kWhE10 stack: 4,000 cycles, $0.14 per lifetime kWhE10 stack lifetime energy 98,304 kWh against 30,144 kWh
Why it mattersWhether you cycle daily or just keep it topped up, the S5000 is the cheaper energy; the stack has to win on output or not at all.
The specific dimensions that decide these two units — everything else is a tie.
Lifetime Value
Selected because: The S5000 is cheaper per stored watt-hour ($0.50 against $0.57) and per lifetime kWh ($0.08 against $0.14), which takes energy cost off the table as a reason to buy the stack.
cost / lifetime kWh
Usually the bigger battery is the cheaper watt-hour. Here it isn't. The stack costs $0.57 per Wh to the S5000's $0.50, and the S5000's 6,000-cycle rating stretches that lead to $0.08 per lifetime kWh against $0.14.
The honest footnote is that the stack's 98,304 kWh of rated lifetime energy is a figure almost no home will ever cycle through, so the lifetime column flatters neither side much. Day-one cost per watt-hour is the comparison that holds up, and the S5000 takes it.
Growth Path
Selected because: A fully expanded S5000 reaches 30,144 Wh, past this stack's 24,576 Wh, so growth decides more here than it usually does.
solar input
Both grow, but only one growth story changes the verdict. Five BP5000 packs take the S5000 to 30,144 WhB6, more storage than this entire stack. We have no BP5000 price on record, so we can't tell you whether that route undercuts the stack; we can tell you the S5000 never runs out of room below it.
What expansion can't do is lift the S5000's 4,500 W output. Add packs and you get longer, not bigger. The stack's 18,000 W solar ceiling against 3,000 W is the other half of the story: if a large rooftop array is in the plan, only the stack can swallow all of it.
Runtime: Will It Power Your Gear?
Selected because: The 19,245 Wh the stack still holds after the blackout night is the one place its size beats anything the S5000 holds out of the box.
continuous output
One night is a draw; the second is not. On the engine's blackout load the S5000 finishes with 2,625 Wh, about 1.6 more nights, while the stack banks 19,245 Wh, about 11.7.
That gap turns into a decision only when the grid stays down for days and the sky stays grey, because a sunny afternoon refills the S5000. Where outages arrive with ice storms, the stack's depth is worth paying for. Elsewhere it's reserve you'll rarely touch.
Portability & Form Factor
Selected because: 641.2 lb wired into a panel against 97 lb on wheels decides where each one can be used at all.
weight
641.2 lb of batteries beside the panel isn't a portability figure, it's a structural one, and the installer handles it once. The S5000 is 97 lb on wheels with a pull rodB11: a tip-back-and-roll load, not a carry, and it fits a truck bed for a job site or a campground. The stack never leaves the building.
One limit applies indoors too. Anker's label rates the S5000 for non-habitable spacesB7, so even at home its spot is the garage or utility room, with a cord or an inlet doing the rest.
Strengths & trade-offs
Anker 2×SOLIX E10 + 4×B6000 + Power Dock
Strengths
- +Larger battery capacity
- +Higher AC output
- +Faster solar charging
Trade-offs
- –Substantially more expensive (+$11,598) than the SOLIX S5000.
- –Significantly heavier (+544.2 lbs), making it harder to move.
- –Very heavy unit that may be difficult for one person to lift.
- –Shorter-lived battery — rated for 4,000 charge cycles vs the SOLIX S5000's 6,000, so it wears out sooner.
Anker SOLIX S5000
Strengths
- +Costs $11,598 less
- +Lighter by 544.2 lb
- +Rated for 6,000 charge cycles — much longer battery lifespan
Trade-offs
- –Weaker inverter (-10,700W) limits appliance compatibility.
- –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 S5000
The 2×SOLIX E10 + 4×B6000 + Power Dock 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 2×SOLIX E10 + 4×B6000 + Power Dock'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
2×SOLIX E10 + 4×B6000 + Power Dock
Both survive the night. The 2×SOLIX E10 + 4×B6000 + Power Dock finishes at 8% used with 19,245Wh left — 11.7 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 2×SOLIX E10 + 4×B6000 + Power Dock 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
2×SOLIX E10 + 4×B6000 + Power Dock
The 2×SOLIX E10 + 4×B6000 + Power Dock clears the workday at 4% used, banking 19,980Wh — 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 2×SOLIX E10 + 4×B6000 + Power Dock 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 2×SOLIX E10 + 4×B6000 + Power Dock'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 2×SOLIX E10 + 4×B6000 + Power Dock 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: 2×SOLIX E10 + 4×B6000 + Power Dock runs 101.9h vs 20.8h.
$14,098 list · direct from Anker
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 0–1392.6hComfort & Convenience
Makes off-grid life actually enjoyablescale 0–278.5hHigh-Draw Appliances
These reveal the real limitsscale 0–20.9h¹ 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 Anker SOLIX S5000
Buy the S5000. At $0.50 per watt-hour against $0.57 it is the cheaper storage on day one, and its 6,000-cycle rating against 4,000 takes its lifetime cost to $0.08 per kWh against $0.14. The E10 stack earns its $11,598 premium only if your house needs more than 4,500 W at the same moment, delivered straight through the panel by an installer. If that's your house, the stack is the right machine and the S5000 is a stopgap. If you want the essentials kept on and a box you can wheel into the garage, the S5000 does it for far less.
Editor-assigned confidence, based on cited owner research and spec analysis.
List prices as of October 9, 2026. The links below open Anker's current price.
$2,499.99 · direct from Anker
or check the 2×SOLIX E10 + 4×B6000 + Power Dock price$14,098.00 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, 2×SOLIX E10 + 4×B6000 + Power Dock rates 4.7/5 (82nd percentile of 29 Whole-Home / Off-Grid-class units), and SOLIX S5000 rates 4.6/5 (74th 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.
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 2×SOLIX E10 + 4×B6000 + Power Dock (641.2 lbs) is a wall-installed system — its weight matters to the installer on day one, then never again.
Surge Power: Ratio and Ceiling Disagree
The SOLIX S5000 holds the higher surge-to-continuous ratio (1.8× vs 1.3×), but the 2×SOLIX E10 + 4×B6000 + Power Dock holds the higher absolute surge ceiling — 20,000W against 8,000W. These measure different things. The ratio says how much headroom an inverter keeps above its own rating; the ceiling says how big a startup spike it can actually swallow. A motor draws a number of watts at switch-on, not a multiple of someone else's rating, so on raw starting ability the 2×SOLIX E10 + 4×B6000 + Power Dock is the stronger unit here — while the SOLIX S5000 is the one running further below its own limit at steady state. One caution on reading the two together: the SOLIX S5000's figure is an instantaneous peak and the 2×SOLIX E10 + 4×B6000 + Power Dock's is a figure rated for 90 minutes rather than an instant, so they are not the same measurement and the gap between them is partly a difference in what each maker chose to publish.
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 2×SOLIX E10 + 4×B6000 + Power Dock 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: No Difference
Both units carry the same 5-year warranty, so coverage isn't a tiebreaker here. 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 2×SOLIX E10 + 4×B6000 + Power Dock's 0.4, but that spread is the price gap, not the terms.
Battery Lifespan in Real Years
The SOLIX S5000 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. One caution reading years across different sizes: a cycle is 5,024Wh on the SOLIX S5000 and 24,576Wh on the 2×SOLIX E10 + 4×B6000 + Power Dock, so count lifetime energy — roughly 30,144 kWh against 98,304 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.
2×SOLIX E10 + 4×B6000 + Power Dock: Noise Level Not Disclosed
The SOLIX S5000 publishes its noise level (30dB); the 2×SOLIX E10 + 4×B6000 + Power Dock doesn't publish one. That isn't evidence the 2×SOLIX E10 + 4×B6000 + Power Dock 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 2×SOLIX E10 + 4×B6000 + Power Dock before deciding.
Full record above — the Test Desk pick is the SOLIX S5000.
Check SOLIX S5000 price →or check the 2×SOLIX E10 + 4×B6000 + Power Dock 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 2×SOLIX E10 + 4×B6000 + Power Dock still delivers more over its shorter horizon (98,304 vs 30,144 kWh). Years measure wear, not usefulness.
Growth path
2×SOLIX E10 + 4×B6000 + Power Dock
EXPANDABLESupports Anker expansion batteries, so you can add capacity later without replacing the base unit — useful if your needs may climb past 24,576Wh.
Accepts up to 18,000W 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.
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.
Realistic full solar rechargeat 70% of rated panel output — see methodology
Analyst note
Both expand, but the 2×SOLIX E10 + 4×B6000 + Power Dock's higher solar ceiling (18,000W 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 2×SOLIX E10 + 4×B6000 + Power Dock
Everything we have on the stack comes from reviews of the E10 platform, not this four-battery configuration, and our researcher couldn't confirm which build each source testedA0. Within that, two patterns hold. Reviewers consistently found the Solix app the weak link, serviceable but thin on clarity and configurability for a system this expensiveA1A2A3A12. And the switchover drew praise twice: one reviewer learned of outages only from the app history, and another in rural Ohio said the brownouts simply stoppedA4A5.
The catches are physical and procedural. One reviewer broke a plastic battery handle during normal useA7, and an install thread documents a firmware update that can fail on the E10 with no recovery path inside the setup flowA11. One reviewer also described the platform as fanless and completely silentA9, which matters because Anker publishes no noise figure for it.
“The Solix app is cleanly laid out and has most of what I need, but it isn't as robust as some of the others out there — Tesla Powerwall and EcoFlow's Smart Home Panel offer richer data, graphs, and integrations.”
Sources
appleinsider.com · gizmodo.com · thesolarlab.com · diysolarforum.com
Anker SOLIX S5000
There is no field evidence on the S5000 yet; what exists is Anker's own documentation and our reading of itB0. The rating label establishes the 5,024 Wh LiFePO4 pack, the 4,500 W output at 120 V or 240 V split-phase, and the outlet setB1B2B3; the product page adds the 6,000-cycle rating, the ≤10 ms switchover ceiling and UL 9540 certificationB12B13B19. Runtime and lifespan figures in that material come from Anker's internal testing.
“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
Sources & Research Notes
Every owner claim in this report is traceable to a published source. The bracketed references above resolve here.
Recurring owner themes
- Reviewers across multiple independent outlets and a live install thread consistently flag the Solix app as the E10's weakest link — serviceable for basic setups but short on the depth, clarity, and configurability of rivals like Tesla Powerwall. [2×SOLIX E10 + 4×B6000 + Power Dock · 4 entries]
- UPS switchover is repeatedly praised as imperceptible, holding up across multiple reviewers and real storm events in different climates. [2×SOLIX E10 + 4×B6000 + Power Dock · 2 entries]
- Build-quality and setup nitpicks — a broken plastic handle on a 130lb battery module and a firmware-update bug with no recovery path during install — surfaced despite otherwise smooth day-to-day operation. [2×SOLIX E10 + 4×B6000 + Power Dock · 2 entries]
- 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]
- A1
“The Solix app is cleanly laid out and has most of what I need, but it isn't as robust as some of the others out there — Tesla Powerwall and EcoFlow's Smart Home Panel offer richer data, graphs, and integrations.”
appleinsider.com — "Anker Solix E10 review: Whole home battery backups finally come within reach" · 2026-07 · [mixed]
- A2
“Anker's Solix app home screen looks a lot like the Tesla Powerwall app's, but the Time-of-Use scheduling section is confusing — only the Super Off-Peak setting actually charges the batteries from the grid; the other two off-peak options only use solar, and the app doesn't explain that upfront.”
gizmodo.com — "Anker Solix E10 review: No Power? No Problem" · 2026 · [mixed]
- A3
“The app experience isn't great — it's really basic and just not where it needs to be for a system this expensive that requires the app for control.”
thesolarlab.com — "Anker SOLIX E10 Review: Best Whole-Home Battery Backup?" · 2026 · [negative]
- A4
“I didn't see any evidence — no lights flickering, no fans slowing down, nothing — when the system moved to battery-only power and back to the grid; I only found out outages had happened by checking the app's history.”
gizmodo.com — "Anker Solix E10 review: No Power? No Problem" · 2026 · [positive]
- A5
“In rural Ohio with frequent outages, the system reliably kicked in during every storm — my brownouts are completely gone, the lights no longer flicker, and smart home devices stopped rebooting from brief power dips.”
appleinsider.com — "Anker Solix E10 review: Whole home battery backups finally come within reach" · 2026-07 · [positive]
- A7
“We actually broke one of the battery handles during normal use — they're plastic with cheap riveted hardware, which feels under-built for a 130lb battery module.”
thesolarlab.com — "Anker SOLIX E10 Review: Best Whole-Home Battery Backup?" · 2026 · [negative]
- A9
“This is a high-voltage system with passive cooling — it runs completely silent. Large heat-dissipation fins eliminate the need for cooling fans entirely.”
thesolarlab.com — "Anker SOLIX E10 Review: Best Whole-Home Battery Backup?" · 2026 · [positive]
- A11
“There's a known bug where the firmware update required to complete setup can fail on the E10 while the Power Dock's update completes — the setup flow has no way to recover, so you have to unplug the E10 from the combiner box, pair to it directly, finish its firmware update, then reconnect it to the dock.”
diysolarforum.com — "Anker Solix E10 - Install" · 2026 · [negative]
- A12
“Anker needs more in-depth installation and configuration support documentation — the app works great for 'conventional' settings but lacks configurability for more specialized setups.”
diysolarforum.com — "Anker Solix E10 - Install" · 2026 · [mixed]
- B1
“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]
- B2
“AC output 4,500 W max, either at 120 V (37.5 A across the outlets) or at 120/240 V split-phase (18.75 A).”
Anker rating label, model AS510 (certified 2026-09-15) · 2026-09-15 · [positive]
- B3
“Outlets: one L14-30R carrying 240 V split-phase at up to 4,500 W; one TT-30R RV outlet at 120 V, 30 A, 3,600 W; NEMA 5-20R household outlets at 120 V, 20 A, 2,400 W; USB-C 100 W, USB-C 15 W and USB-A 12 W.”
Anker rating label, model AS510 (certified 2026-09-15) · 2026-09-15 · [positive]
- B5
“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]
- B6
“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]
- B7
“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]
- B11
“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]
- B12
“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]
- B13
“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]
- B19
“UL 9540 and UL 9540A certified.”
Anker SOLIX S5000 product page, ankersolix.com/s5000 (published 2026-10-09) · 2026-10-09 · [positive]
Research compiled October 9, 2026.
Who Should Buy Which
Buy the 2×SOLIX E10 + 4×B6000 + Power Dock if you…
- →You've priced whole-home backup, your house runs several big 240 V loads at the same time, and you want every circuit to stay live without anyone touching a cord.
- →Your outages come with storms that keep panels dark for days, and 19,245 Wh still in the bank after the first night is the whole point.
This is you — check the 2×SOLIX E10 + 4×B6000 + Power Dock price
Buy the SOLIX S5000 if you…
- →You want the fridge, furnace blower, router and a few lights kept alive, and you're happy to have an electrician fit an inlet so the S5000's 240 V outlet feeds them.
- →You want backup that also rolls into a truck bed for a job site or a campground, and 97 lb on wheels is a load you can steer.
- →You'd rather grow into storage over time; five expansion packs take it past this entire stack's capacity.
If neither fits
If you want a powered van, skip both: the stack can't leave the house and the S5000 runs 415 Wh short of the engine's daily van load. And if you rent or need something you can lift into a car, a portable station you can carry one-handed serves you better than either.
The Bottom Line
The four-battery E10 stack is the more expensive watt-hour and the smaller ceiling, which leaves it one honest argument: 15,200 W through the panel. If your house needs that, nothing on the S5000's spec sheet substitutes for it.
If it doesn't, the S5000 is the better buy on every energy measure on this page, at $2,500 against $14,098. Get the S5000, give it a corner of the garage, and spend some of the difference on the electrician.
Frequently Asked Questions
Answers drawn from the spec record and cited owner research.
Is the Anker S5000 cheaper per kWh than an E10 whole-home system?
Yes, against the four-battery stack. It's $0.50 per Wh against $0.57 on purchase price, and $0.08 against $0.14 per lifetime kWh once cycle ratings are counted. The stack's case rests on output and installation, not energy cost.
Can the Anker SOLIX S5000 back up my whole house?
Not all of it at once. It outputs 4,500 W, so it covers the essentials you choose, usually through an inlet and transfer switch an electrician wires to its L14-30R outlet. The E10 stack puts out 15,200 W through the panel and is built for whole-home coverage.
How long does each one last in a power outage?
On our 8-hour blackout load of 1,645 Wh, the S5000 ends the night 39% used with about 1.6 more nights in hand. The four-battery stack ends at 8% used with about 11.7 more. Solar narrows that for the S5000, which takes up to 3,000 W of panels.
Can I expand the S5000 to match a four-battery E10 system?
On storage, yes and then some: five BP5000 packs reach 30,144 Wh, more than the stack's 24,576 Wh. Output stays at 4,500 W, so expansion buys hours, not wattage.
Related comparisons
Where to buy

Anker 2×SOLIX E10 + 4×B6000 + Power Dock
$14,098.00
$14,098.00 · direct from Anker
Last checked 70 days ago. Prices move — check before you buy.

Anker SOLIX S5000Pick
$2,499.99
$2,499.99 · direct from Anker
Prices may vary by retailer and are subject to change.