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Anker SOLIX · extra battery

Anker SOLIX BP1000

1,056 Wh of LiFePO4, 20 lb, for the C1000. $379.99 at Anker SOLIX, checked Oct 14, 2026: $0.36 for each watt-hour it adds.

Adds

1,056Wh

Price

$379.99

Per Wh added

$0.36

Each watt-hour it adds costs less than the C1000's own ($0.45 on the C1000), so it is the cheaper way to more stored energy than a second station, which adds outlets and output instead.

From Anker SOLIX's published figures and our own arithmetic; we have not tested it ourselves.

Which stations take it

The most one station takes is Anker SOLIX's figure; a dash where its page gives none. Prices are both makers' prices added up, before cables.

Anker SOLIX BP1000 on each station
StationMost per stationWith oneWith the mostStation and one battery
Anker SOLIX C10001,056 Wh on its own – 2,112 Wh – $849.98

Specs

Anker SOLIX BP1000: Anker SOLIX's figures
Capacity1,056 Wh
CellsLiFePO4
Weight20 lb (9.1 kg)
Cable, in the maker's wordsnot named on the page
Where these figures come from

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Runtime is rated capacity × 0.85 ÷ watts. Check startup draw and connections separately. Prices are the maker's, with the day they were checked.