C1000
- you may add a second kWh later: 2,112Wh
- you plug in six AC devices
- it costs $200 less today
C1000X Gen 2
- a PC or a CPAP needs a 10ms UPS
- you run loads up to 2,000W
- you want the 4,000-cycle battery
Prices and stock checked by our price engine on November 5, 2026 at 3:59 AM EST. Each product is rechecked several times a day; the time refreshes when you load the page.
The older C1000 grows to 2kWh; the newer X never will.
The Anker SOLIX C1000 stores 1,056Wh, delivers 1,800W from six AC outlets with 2,400W SurgePad, refills in 58 minutes and takes one extra battery for 2,112Wh, at 28.4 lb. The Anker SOLIX C1000X Gen 2 stores 1,024Wh, delivers 2,000W, switches to battery in 10ms, refills in 49 minutes and is rated for 4,000 cycles instead of 3,000, but Anker lists no battery port and publishes no weight. If you want a UPS for a desk or a little more power, the Gen 2 is the newer machine; if you might want a second kWh later, it’s the C1000.
Below: every difference with numbers, a 20-second calculator for your own gear, seven modeled situations, a third option, and what published tests found on each.
Prices $200 apart today for about the same 1kWh. The C1000 has six AC outlets, a battery port for 2,112Wh and a published spec sheet. The C1000X Gen 2 adds 200W of output, a documented 10ms UPS, a 9-minute faster refill and 1,000 more rated cycles.
- you want to expand to 2,112Wh
- you need six AC outlets
- you want the built-in light bar
- you protect a PC: 10ms
- you run up to 2,000W
- you want 4,000 cycles
The five differences that decide it
The gaps that change what you can run or how long, with the better spec flagged. Both use LFP, both take 600W of solar, and Anker gives both 5 years of warranty once registered.
Will it run your setup? Check in 20 seconds
Estimates use 85% usable capacity and 70% of rated solar output. Real results vary with temperature, inverter load, shade and appliance cycling. Fridge and freezer watts are daily averages and do not include compressor startup surges.
Runtime by appliance, one at a time
Simple energy estimates, not measured runtimes. About 898Wh usable on the C1000 and 870Wh on the C1000X Gen 2, before any extra battery; no independent test has measured the C1000X Gen 2.
Practically a tie: the C1000 holds only 3% more than the C1000X Gen 2.
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The price gap, in numbers
The Anker SOLIX C1000 costs $200 less than the Anker SOLIX C1000X Gen 2 and still holds 32Wh more.
Prices refresh daily from Anker US.The lifetime figure divides each price by its rated cycles times its capacity; read it as a ranking, not a bill. The gap buys 200W, a documented 10ms switchover, a faster refill and 1,000 more cycles; it doesn’t buy a battery port. Anker US prices move often; the figures here are refreshed daily by our price engine.
The third option: the Anker SOLIX C1000 Gen 2 at $549.99
Anker SOLIX C1000 Gen 2: $549.99 today
The C1000 Gen 2 has the C1000X Gen 2’s headline figures, 1,024Wh, 2,000W, a 10ms UPS, 600W of solar and a 49-minute refill, with a full spec sheet: five AC outlets, 3,000W surge, 24.9 lb and five independent tests. Like the X, it has no battery port. Pick it if you want the Gen 2 platform with a published weight and port list. Our C1000 vs C1000 Gen 2 comparison goes deeper. See the C1000 Gen 2 at Anker.
Seven modeled situations, worked out
Same formula as the calculator above: 85% of the rated capacity, no extra battery unless the card says so. The fridge averages 60W.
24-hour outage, essentials only
Close to a tie: about 10 hours each, an evening and a night. Only the C1000 can add a battery for a full day.
A 1,100W microwave
Both run it. The C1000X Gen 2 leaves 900W for a fridge at the same time, the C1000 700W.
Home office through an outage
Runtime is about the same. The difference is the switch: Anker documents 10ms on the Gen 2, faster than the roughly 16ms a desktop power supply rides through, and leaves the C1000’s switch time blank. TechRadar used a C1000 daily as a workstation UPS without an issue.
Six AC plugs at once
The C1000 has six AC outlets. Anker doesn’t itemize the C1000X Gen 2’s 9 ports; its product photo shows four AC outlets, so plan on a power strip.
Refill from the wall before a storm
Nine minutes apart on Anker’s figures. The Gen 2 needs UltraFlash switched on in the app; OutdoorGearLab measured 65 minutes in the C1000’s ultra-fast mode and 88 minutes on the default setting.
Refill from solar, each at its maximum
A tie: same 600W input. The C1000 can’t take AC and solar at the same time; AC has priority, per Anker.
Adding a second kWh later
The C1000 takes one BP1000 with one cable, as TechRadar did, for about 21 hours of the outage preset. Anker lists no battery port on the C1000X Gen 2; for more energy you’d buy a second station.
Nine more differences, the spec sheet and the box
Smaller gaps that rarely decide the purchase, then the full specifications and what ships in the box.
C1000 and C1000X Gen 2 weight, dimensions and full specifications
Weight: 28.44 lb for the Anker SOLIX C1000; Anker publishes no weight for the C1000X Gen 2. Dimensions: 14.8 × 8.07 × 10.5 in for the C1000; none published for the X. Everything else is in the sheet below.
Anker SOLIX C1000 and Anker SOLIX C1000X Gen 2 full specifications
Every published figure for both units, grouped. Green marks the better value.
What’s in the box
C1000
- C1000 power station1,056Wh, 28.4 lb
- AC charging cable
- User manual
C1000X Gen 2
- C1000X Gen 2 power station1,024Wh
- AC charging cable
- Car charging cable
- Quick start guide, safety and warranty card
From the Anker US pages; the C1000X Gen 2 listing itemizes its box.
07 · ChargingHow fast each one refills
Shorter bar, faster refill. Each row is scaled to its slower unit.
C1000: Trusted Reviews reached 80% in 42 minutes and full in 54 minutes in ultra-fast mode, on a UK 230V unitC1000X Gen 2: recharges from AC, solar, a car outlet, a generator or an alternator, per Anker
Our solar times assume panels deliver 70% of their rating; the brands’ figures assume ideal sun.
Every port, side by side
C1000
C1000X Gen 2
Practical consequence: the C1000 has six AC outlets, two USB-C (100W and 30W), two USB-A and a 12V socket, plus a battery port and a light bar. Anker itemizes none of the C1000X Gen 2’s 9 ports; its product photo shows four AC outlets.
09 · NoiseNoise: C1000 vs C1000X Gen 2
Anker gives the Anker SOLIX C1000X Gen 2 0 to 20dB under 200W and no rating for the Anker SOLIX C1000. OutdoorGearLab found the C1000’s fan one of the loudest it tested at maximum load.
No published test has measured the C1000X Gen 2.Every figure we found, with its source
No decibel figure published.
What reviewers heard: Its fan at maximum load was one of the loudest of all the power stations tested (OutdoorGearLab); the small fans sound slightly harsh near maximum AC load (Trusted Reviews, UK unit).
Measured by a tester Brand figure
- Charge during the day, or lower the charging speed in the Anker app overnight.
Cold and heat: C1000 vs C1000X Gen 2
The Anker SOLIX C1000 charges from 32°F to 104°F and runs from −4°F to 104°F, per Anker. Anker publishes no range for the Anker SOLIX C1000X Gen 2.
Figures from Anker US for the C1000; none published for the C1000X Gen 2.- Charge either one indoors in winter: the C1000 doesn’t charge below 32°F, and Anker publishes no range for the X.
- For storage, Anker says to turn off outputs, keep the C1000 dry and cool, recharge to 100% below 30% and fully charge it every 3 months.
App, UPS and smart features
The Anker SOLIX C1000X Gen 2 has the documented UPS and the faster refill. The Anker SOLIX C1000 is the one that takes an extra battery.
Both run from the Anker app.Can you add a battery later? The Anker SOLIX C1000 takes one BP1000; the Anker SOLIX C1000X Gen 2 page lists no battery port.
Does it work as a UPS? Anker documents 10ms on the Anker SOLIX C1000X Gen 2. The Anker SOLIX C1000’s spec sheet lists a UPS switch time but leaves it blank; TechRadar used one daily as a workstation UPS.
Can it run a heater or kettle above its rating? The Anker SOLIX C1000 runs heating loads up to 2,400W on SurgePad; the Anker SOLIX C1000X Gen 2 page lists 2,400W of surge but no SurgePad mode, and its 2,000W rating covers most heaters.
How does the app connect? The Anker SOLIX C1000 connects over Wi-Fi or Bluetooth; the Anker SOLIX C1000X Gen 2 page mentions remote monitoring without naming the connection.
Does it have a fast charging mode? Both fast modes are set in the Anker app; OutdoorGearLab measured 65 minutes in the C1000’s ultra-fast mode.
Warranty and support
Both carry 5 years once registered with Anker: the Anker SOLIX C1000 and the Anker SOLIX C1000X Gen 2 follow the same rule on Anker’s US registration page.
Same term. The C1000X Gen 2 is rated for 1,000 more cycles.Subject to each brand’s warranty terms and eligibility.
Anker rates the C1000 at 3,000 cycles and the C1000X Gen 2 at 4,000, both to 80% capacity: about 8 and 11 years at one full cycle a day. Calendar aging and heat also reduce capacity, so read the ratings as a ceiling.
- Register either one with Anker when it arrives and keep proof of purchase.
What reviewers report
We have not lab-tested these two units. Here is what 4 published reviews found, with the source, author and date for each point. Reviews of UK and EU units are flagged: those models charge from 230V outlets and have different sockets, so their charge times and outlet findings don’t carry over to US units.
C1000: OutdoorGearLab (May 2025), Trusted Reviews (January 2024, UK unit), TechRadar (November 2024), Digital Camera World (January 2024, UK unit)C1000X Gen 2: no verifiable independent test found
Usable capacity
- C1000Reviewer On AC output the C1000 delivered 897Wh, about 85% of its rated 1,056Wh. OutdoorGearLab, Kenji Mowrey, May 2025
- C1000Reviewer At a constant 200W load it supplied 0.89kWh (84.2%); at 750W it reached 0.95kWh (89.8%). Battery data usable, UK 230V inverter. Trusted Reviews, Simon Handby, January 2024, UK unit
- C1000Reviewer Round-trip efficiency measured 83.3% for AC in and AC out, 87.6% when discharging over USB. Trusted Reviews, Simon Handby, January 2024, UK unit
- C1000Reviewer Adding the expansion battery with one cable brought the system to 2,112Wh. TechRadar, Collin Probst, November 2024
Charging
- C1000Reviewer The included AC cord gave a full charge in 88 minutes; the app’s ultra-fast mode cut it to 65 minutes. OutdoorGearLab, Kenji Mowrey, May 2025
- C1000Reviewer In ultra-fast mode it reached 80% in 42 minutes and full in 54 minutes. UK mains unit, flag for US charging power. Trusted Reviews, Simon Handby, January 2024, UK unit
- C1000Reviewer HyperFlash AC charging came very close to Anker’s 58-minute claim; the reviewer suggests leaving it off by default. UK unit. Digital Camera World, Adam Juniper, January 2024, UK unit
Noise and heat
- C1000Reviewer Its fan at maximum load was one of the loudest of all the power stations they tested. OutdoorGearLab, Kenji Mowrey, May 2025
- C1000Reviewer The small fans sound slightly harsh and get quite loud near maximum AC load. Trusted Reviews, Simon Handby, January 2024, UK unit
UPS and output
- C1000Reviewer Run at its maximum output, it lasted 33 minutes before shutting off, without overheating. OutdoorGearLab, Kenji Mowrey, May 2025
- C1000Reviewer Using the claimed 20ms switchover, a test PC and NAS kept running when mains power was cut. Trusted Reviews, Simon Handby, January 2024, UK unit
- C1000Reviewer Used daily as the UPS for a heavy home-office workstation; repeated simulated outages caused no issue. TechRadar, Collin Probst, November 2024
Daily use and issues
- C1000Reviewer Measured weight was 28.65 lb. OutdoorGearLab, Kenji Mowrey, May 2025
- C1000Reviewer The app cannot set a maximum charge percentage, only the input speed. OutdoorGearLab, Kenji Mowrey, May 2025
- C1000Reviewer The app connects over Wi-Fi for remote control, or Bluetooth when no Wi-Fi is available. TechRadar, Collin Probst, November 2024
- C1000Reviewer Weight is nearly 12.9kg (about 29 lb), better suited to a car or RV than carrying far. Digital Camera World, Adam Juniper, January 2024, UK unit
- C1000Reviewer With very low-power devices it was not always clear the unit was charging them; the app confirmed it. Digital Camera World, Adam Juniper, January 2024, UK unit
Practical limits before you buy
- Anker US sells the C1000 from its C1000X page. ankersolix.com/products/c1000 redirects there, and the purchase option is labelled C1000; check the model on the box.
- The C1000X Gen 2 doesn’t take an extra battery, as far as Anker’s US page shows. 1,024Wh is its ceiling.
- Anker doesn’t itemize the C1000X Gen 2’s ports. Count the outlets on the unit you buy if you need more than four.
- The C1000X Gen 2 page gives no weight, size or temperature range. Ask the seller before you plan around them.
- Anker gives no switch time for the C1000’s UPS. For a desktop PC, the Gen 2’s documented 10ms is the safer bet.
- The 49-minute refill needs UltraFlash switched on in the app on the C1000X Gen 2.
- C1000, per Anker US: AC and DC inputs cannot charge at the same time; AC input takes priority, then it switches to DC when AC charging ends.
- C1000, per Anker US: SurgePad (up to 2,400W) works best with heat-generating devices and does not support precision instruments or voltage-sensitive devices.
- C1000, per Anker US: Storage: turn off outputs, store dry and cool, recharge to 100% if below 30%, fully charge every 3 months.
- C1000, per Anker US: Charging temperature 32 to 104F; discharging -4 to 104F. Max AC input 1,300W, solar 600W (11-60V).
- C1000X Gen 2, per its US documentation: The 0-20dB quiet claim applies only under 200W load.
- C1000X Gen 2, per its US documentation: Fast AC recharging uses a 1,500W AC input and must be activated in the app to reach 49 minutes.
Frequently asked questions
What is the difference between the Anker C1000 and the C1000X Gen 2?
The C1000 stores 1,056Wh and delivers 1,800W from six AC outlets, with 2,400W SurgePad, a 58-minute refill and one extra battery for 2,112Wh. The C1000X Gen 2 stores 1,024Wh and delivers 2,000W, with a 10ms UPS, a 49-minute refill and 4,000 rated cycles instead of 3,000, but no battery port listed.
Which is cheaper?
The Anker SOLIX C1000 costs $200 less today: $499.99, against $699.99 for the Anker SOLIX C1000X Gen 2. Prices refresh daily; the price section above has the full breakdown.
Is the C1000 still sold?
Yes, from Anker US’s C1000X page: ankersolix.com/products/c1000 redirects there, and the purchase option and tech specs on that page are labelled C1000.
Can I expand the C1000X Gen 2?
Anker’s US page lists no battery port. The C1000 takes one BP1000 for 2,112Wh.
Which is better as a UPS?
The C1000X Gen 2: Anker documents a 10ms switchover. Anker’s spec sheet lists a UPS switch time for the C1000 but leaves it blank; Trusted Reviews and TechRadar kept PCs running through outages on it.
How long will each run a refrigerator?
At a 60W average, about 15 hours on the C1000 and 15 on the C1000X Gen 2; about 30 hours on a C1000 with a BP1000.
How much do they weigh?
28.44 lb for the C1000, per Anker; OutdoorGearLab weighed 28.65 lb. Anker publishes no weight for the C1000X Gen 2, only that it is 11% lighter than comparable units.
What warranty do they have?
5 years on both once registered, per Anker’s US registration page.
Related comparisons and reviews
How we compared and sources
Research-based comparison. We have not physically tested these two units. Specs come from Anker US: the C1000X page (A1761111), where the C1000 is now sold and whose tech specs are labelled C1000, and the C1000X Gen 2 page, whose listing has no full spec table. Usage observations are attributed to named reviewers. Checked on October 31, 2026.
- Specs: Anker US, C1000X page (A1761111), whose tech specs and purchase option are labelled C1000 (ankersolix.com/products/c1000 returned a permanent redirect to it), and Anker US, C1000X Gen 2 (A1765111), read on October 31, 2026; Gen 2 warranty from Anker’s US warranty registration page.
- The C1000X Gen 2 page has no spec table: no weight, size, temperature range or port list. Its four AC outlets are counted on Anker’s product photo.
- Reviewer reports on the C1000: OutdoorGearLab, Kenji Mowrey, May 2025, Trusted Reviews, Simon Handby, January 2024, UK unit, TechRadar, Collin Probst, November 2024, Digital Camera World, Adam Juniper, January 2024, UK unit.
- Runtime = capacity × 0.85 ÷ watts. Solar harvest = min(panel watts, max input) × sun hours × 0.70. Cost per lifetime kWh = price ÷ (cycles × capacity in kWh).
1,056Wh expandable to 2,112Wh and six outlets, against 2,000W, a 10ms UPS and 4,000 cycles.
Prices checked November 5, 2026 at 3:59 AM EST
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Originally published: November 4, 2026