Product Review · Updated October 2026
Anker SOLIX S5000 Review: 5kWh of 240V Backup on Wheels
The Anker SOLIX S5000 is a 5,024Wh LiFePO4 power station with 4,500W of 120V/240V output, 3,000W of solar input and expansion to about 30kWh, launched in October 2026. It is aimed at home backup, not camping. At 97 lb it holds more energy than Anker's F3800 Plus and weighs about 40 lb less, but it delivers less continuous power. Currently $2,939.00 on Amazon, it scores 91/100 in our scoring, a score synthesized from published specs, Anker's figures and early third-party coverage.
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By 
Capacity
5,024
Watt-hours (LiFePO4)
AC Output
4,500
Watts (120/240V)
Solar Input
3,000
Watts max (2 inputs)
Price
$2,939.00
Current price on Amazon
What Is the Anker SOLIX S5000?
The S5000 is Anker's new whole-home-tier power station. It sits between the SOLIX F3800 Plus and the much larger E10 system. The idea is simple: put 5kWh of LiFePO4 storage and a 240V-capable inverter into a box that one person can wheel out of a garage. Anker's spec page lists 5,024Wh built from 314Ah LFP cells, a 4,500W inverter with an 8,000W peak, dual 120V/240V output, and a 97 lb chassis measuring 10.6 × 22.0 × 15.2 in with built-in wheels and a pull handle (Anker, pv magazine USA).
The feature that most separates it from older 240V portables: according to Anker and The Gadgeteer, the S5000 keeps its 240V output available while it charges from an ordinary 120V wall outlet. Some split-phase stations drop to 120V-only while charging from 120V. That matters if a 240V well pump is on your critical-loads list and you are topping up from a neighbor's outlet or a small 120V generator.
Expansion, clarified: You may see 10,048Wh quoted as the maximum. That figure is the S5000 with one expansion battery. Anker's own page lists expansion “up to 30kWh”: the S5000 plus up to five BP5000 batteries, 5,024Wh each, for 30,144Wh in total. pv magazine and The Gadgeteer report the same 30kWh ceiling, so that is the figure we use.
Key Features and Specs That Matter
4,500W Continuous at 120V or 240V
The inverter is rated at 4,500W continuous with an 8,000W peak. The Gadgeteer notes that the peak lasts only a fraction of a second and that overload protection trips on sustained loads above 4,500W. The outlets are four NEMA 5-20R (2,400W each), one TT-30R (3,600W) and one L14-30R (4,500W) for a transfer switch or inlet box. Together they share the single 4,500W budget. USB is minimal: one 100W USB-C, one 15W USB-C and one 12W USB-A. This is a house battery, not a laptop charger.
3,000W of Solar Across Two Inputs
Solar input is split between a high-voltage port (16–165V, 17A, up to 2,000W) and a low-voltage port (11–60V, 17A, up to 1,000W). A high-voltage solar adapter comes in the box (Anker; The Gadgeteer). In practice the 165V ceiling lets you wire roof-style or large portable panels in series on the 2,000W port without much current. The 60V limit on the second port suits a smaller portable array.
Fast 240V Recharging, Sensible 120V Recharging
On a 240V supply the S5000 accepts 4,500W. Anker quotes 0–100% in 99 minutes and 0–80% in 64 minutes. A standard 120V outlet tops out at 1,800W, a little under 3 hours for a full charge. It also accepts up to 4,500W from Anker's Smart Generator or a third-party generator, according to Anker's spec page.
UL 9540 Certification and a Long-Life Battery
Anker lists UL 9540 and UL 9540A certification for the S5000. UL 9540 is the safety standard for energy storage systems, and UL 9540A covers thermal-runaway fire testing. That can simplify conversations with an inspector or insurer if you plan a permanent hookup. Anker rates the battery for up to 10,000 cycles to roughly 60% capacity and markets a 15-year lifespan at one to two cycles per day. pv magazine and The Gadgeteer both report a five-year standard warranty.
10ms UPS, Quiet Running and a Real Idle Draw
Switchover is rated at 10ms or less, fast enough for most desktop PCs and routers. Anker quotes 30 dB in quiet operation. One figure buyers often miss is idle draw. The Gadgeteer lists 8.8W in 120V mode and 13.7W in 240V mode, roughly 210–330Wh a day if the inverter is left on with no load. Switch the AC off when you don't need it. Anker rates discharging from -4°F to 104°F, but charging only from 32°F, so keep it in an attached garage or basement in winter.
How Long Will the S5000 Run Your House?
Runtime = usable Wh ÷ load in watts. We assume about 85% of the rated 5,024Wh is usable after inverter losses (about 4,270Wh). These are steady-load estimates; appliances that cycle (fridges, furnaces, well pumps) run longer than the average suggests.
| Load scenario | Average draw | S5000 alone | With 5 × BP5000 |
|---|---|---|---|
| Refrigerator only | 150W | ~28.5 hrs | ~7.1 days |
| Fridge + internet + LED lights + phones | 300W | ~14.2 hrs | ~3.6 days |
| Essentials + furnace blower | 700W | ~6.1 hrs | ~36.6 hrs |
| Essentials + 1/2 HP well pump (average) | 1,200W | ~3.6 hrs | ~21.4 hrs |
| Window AC + fridge + lights | 1,500W | ~2.8 hrs | ~17.1 hrs |
For comparison, Anker's own headline is up to 86 hours on a 700-liter refrigerator under its test conditions (77°F room, fridge at 37°F, freezer at 0°F), as reported by The Gadgeteer. That is plausible for an efficient fridge with a low duty cycle. Our 150W average is a deliberately conservative planning number. To size your own loads, use the solar generator size calculator.
Pros & Cons
What We Like
- • 5,024Wh at 97 lb: more capacity and less weight than the F3800 Plus
- • 120/240V with L14-30R: works with standard transfer switches and inlet boxes
- • 240V stays on while charging from 120V, per Anker
- • Expands to about 30kWh with up to five BP5000 batteries
- • UL 9540 / 9540A listed, per Anker
- • Fast 240V recharge: 80% in 64 minutes (Anker figure)
What Could Be Better
- • 4,500W ceiling: less starting headroom than the F3800 Plus or Jackery 5000 Plus
- • BP5000-only expansion: existing F3800/F3000 batteries don't carry over (per The Gadgeteer)
- • Weak USB selection: only one 100W USB-C port
- • 3,000W solar is fine but well below the Pecron F5000LFP's published figure
- • Brand-new model: no long-term ownership track record yet
- • Not compatible with Anker's Home Power Panel, per The Gadgeteer
Anker SOLIX S5000 vs F3800 Plus, Jackery 5000 Plus and Pecron F5000LFP
These are the three 240V-capable stations already rated on SolarGenAdvisor that S5000 shoppers are most likely to cross-shop. Specs and scores come from our product database. Prices are live from Amazon.
| Model | Capacity | Output | Solar In | Weight | Our Score | Price | Amazon |
|---|---|---|---|---|---|---|---|
| Anker SOLIX S5000 | 5,024 Wh | 4,500W | 3,000W | 97 lb | 91/100 | $2,939.00 | Check Price → |
| Anker SOLIX F3800 Plus | 3,840 Wh | 6,000W | 3,200W | 136.7 lb | 90/100 | Check price at Amazon → | Check Price → |
| Jackery Solar Generator 5000 Plus | 5,040 Wh | 7,200W | 3,000W | 105 lb | 90/100 | Check price at Amazon → | Check Price → |
| Pecron F5000LFP Power Station | 5,120 Wh | 7,200W | 6,400W | 123.9 lb | 90/100 | Check price at Amazon → | Check Price → |
S5000 vs F3800 Plus: This is the comparison most Anker shoppers will make. The F3800 Plus has the bigger inverter (6,000W vs 4,500W) and slightly more solar input. The S5000 holds about 30% more energy and weighs roughly 40 lb less. If your outage plan is “keep the fridge, furnace, well and network alive for two days,” the S5000's extra capacity counts for more than the F3800 Plus's extra watts. If you need to start a large 240V motor load, read our F3800 Plus review first.
S5000 vs Jackery 5000 Plus: Capacity is nearly identical. The Jackery 5000 Plus has a much larger 7,200W inverter, while the S5000 is lighter. Choose on power need: Jackery for heavier simultaneous loads, Anker for a lighter unit with 240V output that stays available on 120V charging.
S5000 vs Pecron F5000LFP: The Pecron F5000LFP beats it on paper for output and solar input. It is also heavier and comes from a smaller brand. Compare live prices in the table above; the S5000's case rests on Anker's support network, UL 9540 listing and weight, not raw specs.
Anker SOLIX S5000 Full Specifications
| Battery capacity | 5,024 Wh (LiFePO4, 314Ah cells) |
| AC output (continuous) | 4,500W, 120V and 240V |
| Peak output | 8,000W (momentary) |
| AC outlets | 4 × NEMA 5-20R, 1 × TT-30R, 1 × L14-30R |
| USB outputs | 1 × USB-C 100W, 1 × USB-C 15W, 1 × USB-A 12W |
| Solar input | 3,000W max: 2,000W (16–165V, 17A) + 1,000W (11–60V, 17A) |
| AC charging | 4,500W on 240V (99 min full / 64 min to 80%); 1,800W on 120V |
| Generator input | Up to 4,500W |
| Expansion | Up to 5 × BP5000 (5,024Wh each), about 30kWh total |
| UPS switchover | ≤10ms |
| Certifications | UL 9540, UL 9540A (per Anker) |
| Cycle life | Up to 10,000 cycles to ~60% capacity |
| Warranty | 5 years (per pv magazine and The Gadgeteer; confirm on listing) |
| Operating temperature | Discharge -4°F to 104°F; charge 32°F to 104°F |
| Weight | 97 lb (about 44 kg) |
| Dimensions | 10.6 × 22.0 × 15.2 in, built-in wheels + pull handle |
Sources: Anker SOLIX S5000 product page; pv magazine USA (Oct 13, 2026); The Gadgeteer (Oct 29, 2026); Electrek (Oct 27, 2026).
Who Should Buy the Anker SOLIX S5000?
Buy if you…
- ✓ Want 1–2 days of essential-circuit backup from one wheeled unit
- ✓ Have a 240V well pump or other 240V essential on a transfer switch
- ✓ May recharge from 120V during an outage and still need 240V
- ✓ Want a path to about 30kWh without replacing the base unit
- ✓ Value a UL 9540 listing for a permanent hookup
Skip if you…
- ✗ Need more than 4,500W at once (central AC, multiple 240V motors)
- ✗ Already own F3800-series expansion batteries you want to reuse
- ✗ Want something you can lift into a car for camping; look at the SOLIX C2000 Gen 2
- ✗ Prefer a model with a multi-year ownership track record
Verdict: A Capacity-First Home Backup Station
The S5000 earns 91/100 in our scoring (the F3800 Plus scores 90). It scores high on capacity, portability for its class, expandability and LiFePO4 chemistry, and is held back mainly by its 4,500W inverter and a solar input that is good rather than class-leading. Anker made a clear choice: more stored energy and a lighter, wheeled chassis instead of the biggest possible inverter. For most outage plans, where the goal is keeping essentials running through a long night or two, that is the right trade. If you are still choosing between sizes and brands, our best 5,000-watt solar generators guide and the Best for Home Backup 2026 award cover the wider field. The Anker SOLIX buying guide shows where the S5000 sits in Anker's lineup.
How we rate: our scores are synthesized from published specifications, manufacturer figures, logged Amazon prices and public reviews, weighted using our awards methodology. Runtime figures are calculated, not measured.
Anker SOLIX S5000 FAQ
Is the Anker SOLIX S5000 expandable?
Yes. Anker lists expansion up to 30kWh: the S5000 plus up to five BP5000 expansion batteries, each 5,024Wh, for 30,144Wh in total. The Gadgeteer reports that the S5000 accepts BP5000 packs only, so batteries from the F3800 or F3000 family are not interchangeable.
Can the Anker SOLIX S5000 power a house through a transfer switch?
It can back up selected circuits. The S5000 has a 120/240V L14-30R outlet that connects to a manual transfer switch or generator inlet box, which a licensed electrician should install. Its 4,500W continuous limit covers essentials such as a refrigerator, furnace blower, well pump, lights and internet, but not a central air conditioner, electric range and dryer at the same time.
How long will the Anker SOLIX S5000 run a refrigerator?
Assuming about 85% usable energy after inverter losses, 5,024Wh gives roughly 4,270Wh. A full-size refrigerator averaging 150W would run about 28 hours. Anker's own claim is up to 86 hours for a 700-liter fridge under its test conditions, so a cycling, efficient fridge can run much longer than the simple average suggests.
How fast does the Anker SOLIX S5000 recharge?
From a 240V supply at 4,500W, Anker quotes a full charge in 99 minutes and 80% in 64 minutes. A standard 120V outlet is limited to 1,800W, which works out to a little under 3 hours. At the full 3,000W of solar input a theoretical recharge takes about 1.7 hours; real arrays rarely produce their full rating, so plan on longer.
Should I buy the S5000 or the Anker SOLIX F3800 Plus?
The S5000 stores more energy (5,024Wh vs 3,840Wh) and weighs about 40 lb less, while the F3800 Plus delivers more continuous power (6,000W vs 4,500W). If your priority is the longest runtime on essential circuits, the S5000 is the better fit. If you need to start larger 240V loads such as a big well pump or central AC, the F3800 Plus has more headroom.
What warranty does the Anker SOLIX S5000 have?
pv magazine and The Gadgeteer both report a five-year standard warranty. Anker's product page did not state the term when we checked, so confirm it on the listing before you buy. Anker rates the battery for up to 10,000 cycles to about 60% capacity.