
Anker Solix F3000 Expansion Battery
Best price now
Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.

Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
It checks today's price at every store, compares the alternatives and answers in about a minute.
The Anker Solix F3000 Expansion Battery adds capacity to the Solix F3000 portable power station, scaling a single unit up to 24 kWh for multi-day backup. It supports pass-through charging at 3,600 W, dual solar inputs up to 2,400 W, and pairing two units for 240 V appliances without an electrician. Reviewers call it well-built and quiet, and note its value against rival expansion batteries. It suits homeowners building a whole-home backup system and off-grid users who need more runtime.
In stock
Store links may earn us a commission. Price via Klarna.
Lowest price we've seen: $2,699.99 on Nov 9 at Anker SOLIX. Tracked across 1 store since Nov 9.
Reviewers praise the F3000 Expansion Battery for its solid build, quiet operation, and versatility. One tester gave it a perfect score, and owners find it surprisingly affordable for the capacity it adds.
The Anker Solix F3000 Expansion Battery is a LiFePO4 (LFP) battery used to add capacity to the F3000 power setup. Capacity is expandable up to 24kWh, which the highlights say is enough for over a week of power.
The F3000 setup supports pass-through charging, so it can charge and power devices at 3,600W without shutting down. Idle draw is low: up to 5 days of AC standby, or 2 days of cooling an 8 cu.ft fridge. It powers 120V essentials, and two units can be paired for 240V appliances. Setup is plug-and-play with no electrician needed.
Solar input is dual, up to 2,400W (60V and 165V), with a full charge in under 2 hours in optimal sunlight. A fuel generator and solar can be combined for recharging at 6,000W, which requires an expansion battery.