Quick take: The Anker SOLIX F3800 is a large portable home-backup power station built around a 3,840Wh LFP battery and 6,000W AC output. In the U.S. configuration it supports 120/240V split-phase power, which puts it in a different class from compact 1–2kWh power stations when the goal is larger household loads or a more integrated outage plan.
Editorial note: This is a specification-based buying guide, not a hands-on review. Specifications were checked against Anker’s current product and support information in October 2026.
Anker SOLIX F3800 key specs
- Battery capacity: 3,840Wh
- Battery chemistry: LFP
- AC output: up to 6,000W
- Voltage: 120V/240V capability on the U.S. system
- Solar input: up to 2,400W on the standard F3800
- Expandable capacity: supports BP3800 expansion batteries
- App control: Wi-Fi/Bluetooth monitoring and control
- Weight: about 132 lb / 60 kg
Anker SOLIX F3800
Who the F3800 is for
The F3800 makes the most sense when a small 1kWh portable station is no longer enough. Typical use cases include longer refrigerator and freezer backup, networking and electronics, selected kitchen loads, RV loads, and home-backup plans that need 240V capability. Motor and pump loads should be checked against their actual starting requirements before purchase.
F3800 vs F3000
The Anker SOLIX F3000 is the smaller 3,072Wh / 3,600W option. The F3800 moves up to 3,840Wh and 6,000W with a stronger 120/240V home-backup path. If your loads are mostly refrigerator, lighting, Wi-Fi and electronics, the F3000 may already provide enough headroom. If you need larger loads or 240V integration, the F3800 is the more relevant comparison.
Home integration changes the decision
Portable use and panel-connected backup are not the same purchase. Anker sells home-integration accessories separately, so include transfer equipment, installation and the electrical layout in the total system cost. For permanent home wiring, use a qualified electrician and follow local code.
Estimate runtime before buying
A 3,840Wh nameplate battery does not mean every watt-hour reaches appliances. Inverter losses, state of charge, temperature and cycling loads reduce usable runtime. Start with the Backup Power Map and calculate the appliances you actually need during an outage.
Bottom line
Choose the F3800 when the requirement is larger-load or 120/240V home backup, not simply because it has a bigger battery. For lighter outage loads, a smaller unit can be cheaper, easier to move and more efficient to own.
Sources: Anker U.S. product information · Anker F3800 support guide
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