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Anker SOLIX S2000
We review the S2000’s 2,010 Wh capacity, 1,500 W output and 16.2 kg weight: refrigerator backup fit, solar limits and expansion tradeoffs.
- AC delivered · est.
1,709 Wh. Show source
estimated sourceankersolix.com2026-07-27https://www.ankersolix.com/products/s2000-portable-power-station- output
1,500 W. Show source
claimed sourceankersolix.com2026-07-27https://www.ankersolix.com/products/s2000-portable-power-station- surge
3,000 W. Show source
claimed sourceankersolix.com2026-10-02https://www.ankersolix.com/products/s2000-portable-power-station- weight
16.2 kg. Show source
claimed sourceankersolix.com2026-07-27https://www.ankersolix.com/products/s2000-portable-power-station- recharge
138 min. Show source
claimed sourceankersolix.com2026-10-02https://www.ankersolix.com/products/s2000-portable-power-station
Limited
#19 of 20
in the Large (2 kWh class) class
Lifted by Durability & longevity and Portability; held back by capacity & expansion.
Check current availability and pricing at the retailer.
See alternatives to the Anker SOLIX S2000 →At a glance
We review Anker SOLIX S2000 as a large (2 kwh class) model. Use output, delivered capacity and startup limits to check your appliances. It supplies 1,500 W of continuous AC output. BatteryRank scores it 41 out of 100 within its size class.
Anker SOLIX S2000 specs at a glance
Find the reading you need, then follow its source in the full specifications below.
- How much does the Anker SOLIX S2000 weigh?
16.2 kg (35.7 lb), manufacturer-claimed, without accessories.
Source and date. Show source
claimed sourceankersolix.com2026-07-27https://www.ankersolix.com/products/s2000-portable-power-station- What are the dimensions of the Anker SOLIX S2000?
208 × 282 × 323 mm (8.2 × 11.1 × 12.7 in), length × width × height, manufacturer-claimed.
Source and date. Show source
claimed sourceankersolix.com2026-07-27https://www.ankersolix.com/products/s2000-portable-power-station- How long does the Anker SOLIX S2000 take to charge?
2 h 18 min from a wall outlet, 0 to 100%, manufacturer-claimed. Fast-charge modes and solar input differ — see the charging specs on this page.
Source and date. Show source
claimed sourceankersolix.com2026-10-02https://www.ankersolix.com/products/s2000-portable-power-station- How many watts can the Anker SOLIX S2000 output?
1,500 W continuous AC output and 3,000 W surge output, manufacturer-claimed. Appliance startup demand must stay within the relevant limit.
Source and date. Show source
claimed sourceankersolix.com2026-07-27https://www.ankersolix.com/products/s2000-portable-power-station- How much solar input can the Anker SOLIX S2000 accept?
400 W maximum solar input, manufacturer-claimed. Actual harvest depends on panel compatibility, sun, orientation, temperature, and conversion losses.
Source and date. Show source
claimed sourceankersolix.com2026-07-27https://www.ankersolix.com/products/s2000-portable-power-station
Our verdict on the Anker SOLIX S2000
We see the S2000 as a compact energy reserve for loads that fit its inverter. Its 2,010 Wh capacity and 16.2 kg weight make it worth considering for refrigerator backup, communications and portable household power. The deciding limits are 1,500 W continuous AC output and 400 W solar input. Check appliance startup demand and your recharge plan before choosing it over a higher-output or expandable system.
- Carrying a substantial energy reserve mattersThe sourced 16.2 kg weight and 2,010 Wh capacity are useful starting points for comparing transportability. Check your own lifting needs and include the weight of any panels and accessories you plan to carry.
- You are comparing battery durability for frequent useAnker rates the pack for 6,000 cycles to 80% remaining capacity. Compare cycle figures at the same retention threshold; this manufacturer rating does not establish how many calendar years the complete station will remain usable.
- Your essential loads fit its output and connectionsThe 1,500 W continuous rating can support a load plan within that limit, provided startup demand and electrical compatibility also fit. For refrigerator backup, use measured daily energy and check low-load shutdown behavior rather than assuming the full 2,010 Wh reaches the appliance.
- Your intended appliance exceeds its continuous outputA device requiring more than 1,500 W continuously exceeds the sourced AC rating. Check the actual appliance label and operating mode instead of excluding or approving an entire appliance category by name. The F3000 provides a larger capacity platform; check its output and connectors against your load.
- Your plan depends on adding expansion batteriesAnker’s product FAQ says the S2000 does not support expansion batteries. Plan around the base 2,010 Wh capacity, then compare a documented expansion platform if your future energy requirement could grow. The F2000 documents compatible expansion-battery support.
The trade-off to weigh: The large battery and cycle rating address stored energy and cell durability. They do not remove the inverter ceiling, establish appliance compatibility, or guarantee calendar life. Solar recovery also depends on the 400 W input limit, compatible panels and available sunlight. We would write the essential-load budget and recharge route before deciding whether this compact format fits.
What our data can’t tell you: Our structured record still lacks a sourced usable-capacity measurement, surge reading and full-charge time. We checked the linked Anker specifications and user guide for this review; their operating limits should be checked against your exact appliance and connection. Runtime estimates remain calculations rather than an observed refrigerator-backup duration for your household.
BatteryRank Engineering Team · Last reviewed · Method
Sources checked for this review:Anker S2000 US specifications and FAQAnker S2000 US user guide (AS220)
Where to buy
Affiliate links: we may earn a commission if you buy, at no extra cost to you. Commission never affects our rankings.
Anker SOLIX S2000
Capacity truth
The watt-hour number on the box isn't what reaches your devices. Rated on the label vs what actually leaves an outlet.
2,010 Wh. Show source
claimed sourceankersolix.com2026-07-27https://www.ankersolix.com/products/s2000-portable-power-stationThe marketing number — total cell capacity.
1,709 Wh. Show source
estimated sourceestimate = battery-side usable capacity × 85% inverter efficiencyWhat reaches an AC outlet — about 15% is lost turning battery power into household AC. How we estimate.
What it can run
Same sourced device assumptions used by our calculators, applied to this model's usable AC energy. Actual runtime varies with load, temperature, and standby draw.
| Device | Estimated runtime | Sourced assumption |
|---|---|---|
| CPAP (humidifier off) | about 23.7 nights | 9 W · |
| CPAP (heated humidifier on) | about 3.8 nights | 56 W · |
| Refrigerator (full-size) | about 27 hours | 180 W × 35% duty cycle · |
| Wi-Fi router + modem | about 95 hours | 18 W · |
| Laptop (65W charger) | about 53 hours | 65 W × 50% duty cycle · |
| Phone (one full charge) | about 85 full charges | 20 W · |
Who it fits
Mechanical matches against this model's own sourced specs — never invented sentiment, never a guess on a spec we don't have.
1709 Wh AC-delivered (est.) → multiple CPAP nights per charge
1500 W inverter, 1709 Wh AC-delivered (est.) → runs a fridge through an outage
How it scores
Four buyer pillars over seven sub-scores — computed from sourced data with a published formula, price-independent by design.
Power
est.Battery-side usable capacity and how much you can run at once.
Usable watt-hours and how far you can grow it with add-on batteries, versus its size class.
Continuous and surge wattage, outlet count, and USB-C fast-charging.
Trust
42% dataOwner reputation, safety record, warranty, and build durability.
Owner ratings, brand reputation, recall record, and warranty backing.
Rated cycle life, warranty length, cell chemistry, and weather sealing.
Charging
Wall and solar recharge speed.
Wall recharge speed, solar input, and multi-source charging.
Livability
62% dataLightweight, portable, and quiet enough to live with.
Weight, footprint, handle, and wheels, versus its size class.
Fan noise under load — quieter is better for bedrooms and CPAP use.
How this score is computed
We score the hardware using sourced specifications and independently attributed measurements. Seven sub-scores form a 0–100 composite, grouped into four buyer pillars. The score is price-independent: a sale changes what you pay, while this analysis evaluates the station's capabilities within its size class.
| Pillar | Built from |
|---|---|
| Power | Capacity & expansion + Output & versatility |
| Trust | Trust & reliability + Durability & longevity |
| Charging | Charging & solar |
| Livability | Portability + Quiet / livability |
Scores are cohort-relative — each model is ranked against others in its size class. Missing inputs renormalize out rather than scoring zero. Incomplete evidence can leave a sub-score unavailable; it does not establish that a model performs well. Any figure resting on a documented estimate is tagged est. Read our scoring and evidence methodology.
Full specifications
Manufacturer-claimed unless marked verified (FCC/UL/DOE/lab). Tap or focus a figure to view its source.
Capacity & battery
- Rated cycle life
6,000 cycles. Show source
claimed sourceankersolix.com2026-07-27https://www.ankersolix.com/products/s2000-portable-power-station- Battery chemistry
LiFePO4. Show source
claimed sourceankersolix.com2026-07-27https://www.ankersolix.com/products/s2000-portable-power-station- Rated capacity
2,010 Wh. Show source
claimed sourceankersolix.com2026-07-27https://www.ankersolix.com/products/s2000-portable-power-station- Cycle-life threshold
80 %. Show source
claimed sourceankersolix.com2026-07-27https://www.ankersolix.com/products/s2000-portable-power-station- Battery voltage
6.4 V. Show source
claimed sourcesupport.ankersolix.com2026-10-02https://support.ankersolix.com/s/article/Anker-SOLIX-S2000-Portable-Power-Station-User-Guide-AS220-United-States- Battery amp-hours
314 Ah. Show source
claimed sourcesupport.ankersolix.com2026-10-02https://support.ankersolix.com/s/article/Anker-SOLIX-S2000-Portable-Power-Station-User-Guide-AS220-United-States
How many full charge-and-drain cycles before the battery drops to its rated threshold (shown alongside — brands rate to different thresholds, so never compare bare cycle counts).
The type of battery cell. LiFePO4 (LFP) cells last far more cycles and are more thermally stable than older lithium-ion (NMC) cells.
The battery's nameplate energy capacity — the headline number on the box. Battery-side usable and AC-delivered capacity are shown separately.
The remaining-capacity level the cycle rating is measured to. 3,000 cycles to 80% is a stronger battery than 3,000 cycles to 70% — always read the two numbers together.
The internal battery pack's nominal voltage — mostly useful for cross-checking capacity math (volts × amp-hours ≈ watt-hours).
The pack's charge capacity in amp-hours at its nominal voltage — another way to state capacity; watt-hours is the number to compare across units.
Power output
- Continuous power output
1,500 W. Show source
claimed sourceankersolix.com2026-07-27https://www.ankersolix.com/products/s2000-portable-power-station- Surge power output
3,000 W. Show source
claimed sourceankersolix.com2026-10-02https://www.ankersolix.com/products/s2000-portable-power-station- AC outlets
5 outlets. Show source
claimed sourceankersolix.com2026-07-27https://www.ankersolix.com/products/s2000-portable-power-station- USB-A ports
1 ports. Show source
claimed sourceankersolix.com2026-07-27https://www.ankersolix.com/products/s2000-portable-power-station- USB-C ports
2 ports. Show source
claimed sourceankersolix.com2026-07-27https://www.ankersolix.com/products/s2000-portable-power-station- USB-C max output
100 W. Show source
claimed sourceankersolix.com2026-10-02https://www.ankersolix.com/s2000
The most power you can draw at once, sustained — this has to be higher than the running wattage of whatever you're plugging in.
A brief power spike the unit can absorb when a device first switches on — matters for things with motors or compressors, like fridges.
How many standard wall-style outlets are built in.
How many USB-A ports are built in, for charging older phones, lights, and accessories.
How many USB-C ports are built in — check the per-port wattage below if you need fast charging for a laptop.
The fastest a single USB-C port can charge a device — relevant for laptops and fast-charging phones.
Charging & solar
- AC recharge speed
1,150 W. Show source
claimed sourceankersolix.com2026-07-27https://www.ankersolix.com/products/s2000-portable-power-station- AC charge time (0–100%)
138 min. Show source
claimed sourceankersolix.com2026-10-02https://www.ankersolix.com/products/s2000-portable-power-station- Max solar input
400 W. Show source
claimed sourceankersolix.com2026-07-27https://www.ankersolix.com/products/s2000-portable-power-station
How fast the unit recharges from a wall outlet — higher means shorter waits between uses.
How long a full recharge takes from a wall outlet, start to finish.
The most solar panel wattage the unit can accept — undersized panels just mean slower charging, not damage, but oversizing this is wasted money.
Reliability & durability
- UPS switchover time
10 ms. Show source
claimed sourceankersolix.com2026-07-27https://www.ankersolix.com/products/s2000-portable-power-station
How fast the unit takes over when grid power cuts out. Under ~20ms is fast enough that most electronics — including many CPAP machines — won't even blip.
Size & portability
- Weight
16.2 kg. Show source
claimed sourceankersolix.com2026-07-27https://www.ankersolix.com/products/s2000-portable-power-station
How much the unit weighs on its own, without accessories — relevant for portability and carrying it up stairs during an outage.
What reviewers & owners report
Named outlets and marketplaces, each rating credited where it was published.
What else to consider instead of the Anker SOLIX S2000
Same or adjacent size class, ordered by the price-independent composite. Every alternative is better than the Anker SOLIX S2000 at something and worse at something else, so each row states both halves — each one arithmetic on two sourced readings, with a dimension skipped rather than guessed when either side is missing a figure.
- DJI Power 2000score 75 · same size class
- Why you would switch
- The DJI Power 2000 carries 100% more continuous output (3,000 W vs 1,500 W), which decides what it can run at all.
- What you give up
- The Anker SOLIX S2000 is 26% lighter (16.2 kg vs 22 kg).
- Aferiy P280score 74 · same size class
- Why you would switch
- The Aferiy P280 carries 87% more continuous output (2,800 W vs 1,500 W), which decides what it can run at all.
- What you give up
- The Anker SOLIX S2000 is 25% lighter (16.2 kg vs 21.6 kg).
- Oupes Mega 2 Proscore 69 · same size class
- Why you would switch
- The Oupes Mega 2 Pro carries 67% more continuous output (2,500 W vs 1,500 W), which decides what it can run at all.
- What you give up
- The Anker SOLIX S2000 is 27% lighter (16.2 kg vs 22.1 kg).
- Anker SOLIX C2000 Gen 2score 68 · same size class
- Why you would switch
- The Anker SOLIX C2000 Gen 2 carries 60% more continuous output (2,400 W vs 1,500 W), which decides what it can run at all.
- What you give up
- The Anker SOLIX S2000 is 14% lighter (16.2 kg vs 18.9 kg).
- Bluetti Elite 200 v2score 68 · same size class
- Why you would switch
- The Bluetti Elite 200 v2 delivers 21% more usable AC energy (2,074 Wh vs 1,709 Wh).
- What you give up
- The Anker SOLIX S2000 is 33% lighter (16.2 kg vs 24.2 kg).
Quick answers
Each answer restates a sourced figure from elsewhere on this page — nothing new, nothing guessed.
- How many amp-hours (Ah) or milliamp-hours (mAh) is the Anker SOLIX S2000?
- 314 Ah (314,000 mAh) at its nominal 6.4 V, manufacturer-claimed. Watt-hours is the number to compare across units. Use the mAh to Wh converter.
- How much capacity does the Anker SOLIX S2000 deliver through an AC outlet?
- About 1,709 Wh of the rated 2,010 Wh reaches an AC outlet from a full charge — an estimate after our published 15% inverter-loss constant (marked est. on this page).
- What is the cycle-life rating of the Anker SOLIX S2000?
- 6,000 cycles to 80% remaining capacity, manufacturer-claimed. A cycle rating is not a calendar-life guarantee.
- Can the Anker SOLIX S2000 work as a UPS?
- Its manufacturer-claimed transfer time is 10 ms. Confirm that your connected equipment tolerates that transfer time; this is not the same as a zero-transfer online UPS.
Keep exploring
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- Portable Power for a 12-Hour Outage
- Power an RV Refrigerator and Lights
- Complete CPAP Overnight Power Kit