Anker SOLIX C1000: Runtime & Specs

The Anker SOLIX C1000 is a 1,056 Wh LiFePO4 power station with 1,800 W of continuous AC output and a 2,400 W surge rating. It runs a typical full-size fridge for about 15 hours.

Capacity1,056 WhLiFePO4
Output1,800 W2,400 W surge
Solar input600 W11–60 V
Weight28.4 lbexpands to 2,112 Wh

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How long will the C1000 run your appliances?

Nonstop runtime for one device at a time, using typical US wattages and 85% inverter efficiency. Devices marked ✕ can't run on this model.

Estimated runtime by appliance for the Anker SOLIX C1000
DeviceAvg drawRuntimeBar
LED light bulb9 W4.2 days
Phone charging10 W4 days
Wi-Fi router + modem15 W2.5 days
Laptop50 W18 hours
CPAP + humidifier30 W30 hours
CPAP with heated humidifier + humidifier60 W15 hours
Starlink Standard90 W10 hours
TV100 W9 hours
Mini fridge29 W31 hours
Refrigerator58 W15 hours
Chest freezer29 W31 hours
Sump pump (1/3 HP)160 W5.6 hours
Sump pump (1/2 HP)210 W4.3 hours
Window AC225 W4 hours
Drip coffee maker1,000 W54 min
Microwave1,500 W36 min
Space heater750 W1.2 hours
Well pump33 WNeeds 240 V

Fridges, freezers, pumps and AC units cycle on and off, so we use their average draw. Want a mix of devices on a schedule? Use the runtime calculator.

What the C1000 can't power

Solar charging time

Hours of good sun to charge from empty, assuming panels deliver 75% of their rating.

PanelsPower inHours of sun
100 W of panels75 W14 hours
200 W of panels150 W7 hours
400 W of panels300 W3.5 hours
600 W of panels450 W2.3 hours

Check panel voltage and wiring with the solar charging calculator.

Full specifications

Battery capacity1,056 Wh
Battery chemistryLiFePO4 (LFP)
Continuous AC output1,800 W
Surge (peak) output2,400 W
SurgePad (heating devices)2,400 W
AC voltage120V
AC outlets6
USB-C ports2 (up to 100 W)
USB-A ports2
12 V car outletYes
Max solar input600 W
Solar voltage range11–60 V
Solar max current12.5 A
Max AC charging power1,300 W
AC charging time (maker claim)0–80% in 43 min; 100% in 58 min (UltraFast)
ExpandableYes, up to 2,112 Wh
UPS / EPS switchover20 ms
Cycle life3,000 cycles
Weight28.4 lb
Warranty5 years

Notes: Model A1761 (US manual also covers C1000X). Expands with 1× BP1000 (1,056Wh). Solar 11–32V⎓10A / 32–60V⎓12.5A. AC charging 1,000W standard, 1,300W UltraFast.

Specs from Anker SOLIX's published documents, as of September 2026. Found an error? Tell us.

Sources
  1. ankersolix.com/products/c1000
  2. cdn.shopify.com/s/files/1/0517/6767/3016/files/A1761_V4_EN_US_UserGuide_…

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Questions

How long will the Anker SOLIX C1000 run a refrigerator?
About 15 hours for a typical ENERGY STAR full-size fridge averaging 58 W, assuming 85% inverter efficiency. Older or larger fridges use more. Try your own numbers.
Can the Anker SOLIX C1000 run a microwave?
Yes. A typical 1,000 W microwave pulls about 1,500 W from the outlet, within its 1,800 W continuous output. A full battery gives about 36 min of cooking.
How long does the Anker SOLIX C1000 take to charge?
Anker SOLIX's published charging claim: “0–80% in 43 min; 100% in 58 min (UltraFast)”. Max AC charging power is 1,300 W. With solar, it accepts up to 600 W. With 600 W of panels that's roughly 2.3 hours of good sun from empty.
Is the Anker SOLIX C1000 expandable?
Yes, up to 2,112 Wh with Anker SOLIX's extra batteries.
Does the Anker SOLIX C1000 work as a UPS?
Anker SOLIX lists a 20 ms switchover time, so it can keep devices like routers and computers running when the power drops. Check that your specific device tolerates the switch before relying on it for anything critical.