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Spec-Based Comparison

Anker SOLIX C1000 vs. BLUETTI AC180

600W solar charging and expandability vs. the most base capacity in the 1kWh class.

Winner for Home Blackouts
Anker SOLIX C1000 (<20ms UPS + expandable to 2,112Wh)
Winner for Portability
Anker SOLIX C1000 (about 7 lbs lighter)
Overall Edge
BLUETTI AC180 for base capacity; Anker C1000 for solar and expansion
The 30-Second Bottom Line

Pick the Anker SOLIX C1000 if you want the lighter unit (28.4 vs. 35.3 lbs), faster 600W solar input, UPS switchover under 20ms, and expansion to 2,112Wh. Pick the BLUETTI AC180 if you want about 9% more base capacity (1,152Wh) in a standalone unit.

Fastest Solar Charging (1kWh Class)
Anker SOLIXLiFePO4 (LFP) • 3,000 rated cycles

Anker SOLIX C1000

Solar recharging, kitchen appliances & expandable home backup

Capacity
1,056 Wh
AC Output
1,800W (2400W surge)
Max Solar
600W
Weight / AC
28.4 lbs • 6 AC

A 1,056Wh unit with the highest solar input in its class on our list (600W), UPS switchover under 20ms, and expansion to 2,112Wh with Anker's BP1000 battery.

  • 600W max solar input, the highest of the 1kWh-class units on our list
  • UPS mode with <20ms switchover
  • Expandable to 2,112Wh with the BP1000 expansion battery
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Most Capacity (1kWh Class)
BLUETTILiFePO4 (LFP) • 3,500 rated cycles

BLUETTI AC180

Maximum runtime in the 1kWh class & off-grid cabins

Capacity
1,152 Wh
AC Output
1,800W (2700W surge)
Max Solar
500W
Weight / AC
35.3 lbs • 4 AC

Has the most capacity of the 1kWh-class units on our list (1,152Wh), with an 1,800W inverter. The trade-off is weight: it's the heaviest unit in its class here.

  • 1,152Wh, about 10% more than 1,024–1,070Wh rivals
  • 1,800W continuous / 2,700W surge
  • Rated 3,500+ cycles
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Real-World Appliance Runtime Comparison: Anker SOLIX C1000 vs. BLUETTI AC180

Household / Off-Grid ApplianceWattage (Surge)Anker SOLIX C1000BLUETTI AC180
Full-Size Fridge160W (650W)13 hrs14.2 hrs
Chest Freezer120W (550W)19.5 hrs21.3 hrs
CPAP Machine45W (60W)16.9 hrs18.5 hrs
Sump Pump (1/3 HP)800W (1800W)7 hrs7.6 hrs
Pellet Stove135W (450W)7.3 hrs8 hrs
Gas Furnace Blower550W (1200W)3.9 hrs4.3 hrs
Starlink Internet65W (110W)12.3 hrs13.4 hrs
12V Camping Fridge45W (90W)37.4 hrs (~1.6 days)40.8 hrs (~1.7 days)
Wi-Fi Router & Modem25W (35W)27.2 hrs (~1.1 days)29.7 hrs (~1.2 days)
Microwave Oven1500W (1800W)0.6 hrs0.6 hrs
Coffee Maker / Keurig1200W (1450W)0.7 hrs0.8 hrs
Electric Blanket65W (75W)16.6 hrs18.1 hrs
Well Pump (1/2 HP)950W (2200W)5.9 hrs6.5 hrs
Space Heater (Low 750W)750W (850W)1.6 hrs1.7 hrs
Window AC (6,000 BTU)550W (1400W)2.7 hrs2.9 hrs
Oxygen Concentrator320W (500W)2.7 hrs3 hrs
Air Fryer / Toaster Oven1500W (1650W)0.7 hrs0.8 hrs
Induction Cooktop1300W (1600W)0.8 hrs0.8 hrs
Aquarium Heater & Filter180W (250W)10.1 hrs11 hrs
Garage Door Opener550W (1100W)1.6 hrs1.8 hrs
Laptop + Monitor85W (120W)11.2 hrs12.2 hrs
Lights, Phones & Fan75W (110W)10.8 hrs11.8 hrs