Anker SOLIX C1000 1800W vs BLUETTI AC180 Solar

Anker SOLIX C1000 1800W and BLUETTI AC180 Solar hold almost the same battery and sell to the same person, which means the decision comes down to the details around the pack rather than the pack itself.

Two machines aimed at the same buyer

BLUETTI AC180 Solar holds a slim 9% more battery — 1152Wh against 1056Wh — and that is what decides how long either one lasts on the same load.

Both invert to 1800W, so the same appliances are on and off the table for either.

Anker SOLIX C1000 1800W is the lighter of the two at 28.44 lb / 12.9 kg, by 6.9 lb.

Drawn from 8 specifications each maker publishes, of which 8 differ. We have not handled either machine — see our methodology.

Side by side

SpecificationAnker SOLIX C1000 1800WBLUETTI AC180 Solar
Battery capacity 1056Wh 1152Whbetter
AC output 1800W 1800W, 4 outlets
Cell chemistry LiFePO4 LiFePO4
Weight 28.44 lb / 12.9 kgbetter 35.3 lbs
USB-C output 1 × 100W max 1 × 100W max
USB-A output 2 × 12W max 2 × 15W max
AC outlets 6× 4 x 120V/15A
Operating temperature 4°F - 104°F 4°F-104°F (86°F-104°F: 1,500W Max.)

What that capacity actually runs

Watt-hours are hard to picture, so here is each pack as runtime on the loads a machine this size is usually bought for. Both columns assume 85% inverter efficiency — the conservative end of what these are rated at — so read every figure as a floor.

LoadAnker SOLIX C1000 1800WBLUETTI AC180 Solar
Laptop (60W)15 hours16 hours
CPAP, no humidifier (40W)22 hours1.0 days
12V camping fridge (45W average)20 hours22 hours
Starlink or router (55W)16 hours18 hours
Full-size fridge (150W average)6.0 hours6.5 hours

From solar alone, at 70% of the panel input each maker quotes — a realistic day rather than a lab figure — the BLUETTI AC180 Solar about 3.3 hours.

Published by only one of them

A figure missing from a spec sheet is not a zero — it is a number the maker chose not to state. These appear on one page and not the other, so they cannot be compared, only noted.

Where this comparison stops

Everything above is what the makers publish, not what either machine did in front of us. We own neither, so there is no noise measurement, no thermal behaviour under sustained load, and no view on how either holds up after two years. Makers also measure differently — cycle life at 80% capacity is not the same test as cycle life at 70% — so figures that look comparable sometimes are not. Treat this as a way to build a shortlist quickly, and read the caveats on our methodology page before you let a number decide.

Check current prices

Neither figure above is a price. These two move independently and often, and whichever is discounted this week is usually the answer when the specifications are as close as they are here.

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Specifications retrieved 2026-09-17 from ankersolix.com and bluettipower.com. Figures change without notice; check the maker's page before buying.