• The compact gray Anker device, featuring a top handle, side vents, and subtle front branding, delivers portable power and energy storage with an efficient LFP battery.
  • The Anker SOLIX F3800 is a rectangular gray device with a handle, side vents, centered logo, and blue accent on the front. It uses an LFP battery offering 840Wh capacity for reliable portable power.
  • The Anker SOLIX F3800 is a compact, rectangular gray portable power station with top handles, side vents, LFP battery tech, front ports, and an 840Wh capacity for reliable power anywhere.
  • An Anker portable charging station with an 840Wh LFP battery connects to a nearby electric vehicle. The image displays the text “Directly Charge EVs” and highlights its NEMA 14-50 port.
  • Anker’s portable SOLIX F3800 power station with LFP battery directly charges an RV at night in a rocky desert, using NEMA 14-50 and NEMA L14-30R ports. Text: “Directly Charge RVs.” Stars shine overhead.
  • Stacked Anker SOLIX F3800 battery units shown with text: Massive Capacity From 3.84kWh. Expand up to 53.8kWh with extra units and 12 batteries, including options like 840Wh for versatile power by Anker.
  • Anker SOLIX BP3800 Expansion Battery - 3840Wh Storage | LFP | For SOLIX F3800
  • Anker SOLIX BP3800 Expansion Battery - 3840Wh Storage | LFP | For SOLIX F3800
  • Anker SOLIX BP3800 Expansion Battery - 3840Wh Storage | LFP | For SOLIX F3800
  • Anker SOLIX BP3800 Expansion Battery - 3840Wh Storage | LFP | For SOLIX F3800
  • Anker SOLIX BP3800 Expansion Battery - 3840Wh Storage | LFP | For SOLIX F3800
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Anker SOLIX BP3800 Expansion Battery - 3840Wh Storage | LFP | For SOLIX F3800

SKU: A1790111-85
Availability: In stock
$1,799.99
$2,499.99 $1,799.99
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Best for

  • Home Backup
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  • Emergency
  • Grid-Tie
5-year manufacturer warranty Backed by Anker. Full coverage details in the Description tab.

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Expansion Battery · 3,840Wh

Anker SOLIX BP3800 Expansion Battery - 3840Wh Storage

3,840WhBattery Capacity
48VSystem Voltage
3,000Cycle Life
5 yrWarranty
Features

Two Anker SOLIX BP3800 Expansion Batteries (3840Wh, LFP) sit on the grass at dusk before a modern house. The blue-orange sky highlights their power. Text: “Minimum Effort, Maximum Power. The Most Accessible Home Power System.”.Features

  • 3,840Wh durable LFP battery
  • Effortless expansion for Anker SOLIX F3800
  • 3,000 charging cycles and a 10-year lifespan
  • 5-year worry-free warranty
Data

A promotional graphic highlights the Anker SOLIX BP3800 Expansion Battery—offering 3,840Wh LFP storage for the SOLIX F3800, by Anker—supporting increased backup power and solar integration.BP3800 Expansion Battery Specifications

Model Anker SOLIX BP3800
Battery type LFP (Lithium Iron Phosphate)
Capacity 3,840Wh
Lifespan 10 years
Life cycles 3,000 cycles
Warranty 5 years
Compatibility Anker SOLIX F3800
Expansion capability Seamless expansion
Output voltage 51.2V
Output current 75A
A modern living room with a large TV showing soccer, an Anker SOLIX F3800 + BP3800 Expansion Battery (7680Wh, 6000W output) on the floor, and text overlay listing home appliances powered simultaneously.
The Anker SOLIX BP3800 Expansion Battery (3840Wh, LFP) works with the SOLIX F3800 to reliably run both high-voltage (240V) and regular (120V) appliances like washing machines and refrigerators, providing backup power even during blackouts.
On the right, stacked Anker SOLIX F3800 + BP3800 units are shown. Text on the left highlights expandable 7680Wh storage (up to 53.8kWh) and smart energy monitoring with flexible expansion options.
Additional Documentation

Additional documentation

SOLIX BP3800 Expansion Battery User Guide

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