Product Description

Anker SOLIX BP3800 Expansion Battery Pack (3840Wh | For SOLIX F3800)

Huge Capacity Up to 26.9kWh:

Anker SOLIX F3800 has 3.84kWh to power your family's needs for one day. If that's not enough, add up to six battery packs to expand capacity to 26.9kWh. That's enough power for a week.

Long-Lasting 10-Year Lifespan:

Anker SOLIX F3800 is built to last over a decade, even with everyday use, thanks to Anker InfiniPowerTM technology. The power station also features EV-class LFP batteries, durable components, and a smart temperature control system.

5-Year Full-Device Warranty:

Instead of the average industry warranty length of 2 years, you can purchase Anker SOLIX F3800 Portable Power Station Expansion Battery worry-free with a 5-year full-device warranty.

Always Stay Charged and Prepared



Plug-and-Play Power for Any Situation

Charge Your EV Conveniently

Avoid grounding accessories. Just plug in your EV charging cable through the NEMA 14-50 port.

Take Massive Power Anywhere

Roll easily thanks to industrial-grade wheels or carry with handles at the top and bottom.

Product Specifications

Anker SOLIX BP3800 Expansion Battery Product Specifications


SKU A1790111-85
Cell Capacity 51.2Vdc 75Ah / 3840Wh
Expansion Battery Port Input 75A Max
Expansion Battery Port Output 170A Max
Discharging Temperature -4°F - 104°F / -20°C - 40°C
Charging Temperature 32°F - 104°F / 0°C - 40°C
Size 15.5 in × 14.0 in × 10.3 in
Net Weight 33 kg / 72 lb


Anker SOLIX F3800 Plus FAQs

Q1: How do I turn off Anker SOLIX BP3800 Expansion Battery?

Press the On/Off Button for 2 seconds to power the expansion battery on or off.

Q2: Which power station is compatible with Anker SOLIX BP3800 Expansion Battery?

Only Anker SOLIX F3800 is compatible with the expansion battery.

Q3: How many Anker SOLIX BP3800 Expansion Batteries can be connected to one Anker SOLIX F3800?

Each Anker SOLIX F3800 can connect up to 6 expansion batteries.

Q4: Can I use Anker SOLIX BP3800 Expansion Battery separately?

The expansion battery cannot be used separately. It must be connected to the power station to charge or discharge and to monitor its status via the Anker app.

Q5: When charging a device, will the power in the external battery be used first?

When Anker SOLIX F3800 is connected to expansion batteries, the power of all devices will automatically balance. This ensures stable battery health. It's normal for the power levels to change in Anker SOLIX F3800 and expansion batteries, too.

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