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Official kit and component photos. Separate component views do not add items to the bundle; see the exact included quantities.
Official kit and component photos. Separate component views do not add items to the bundle; see the exact included quantities.
Official kit and component photos. Separate component views do not add items to the bundle; see the exact included quantities.
Official kit and component photos. Separate component views do not add items to the bundle; see the exact included quantities.
Official kit and component photos. Separate component views do not add items to the bundle; see the exact included quantities.
Anker SOLIX BP3800
Expansion battery
Expansion storage for the F3800 family. Select one battery or the quoted multipack.
Check current availability in your cart
This selection is one quoted bundle SKU. Per-unit specifications do not add together to establish system output or runtime.
Check current availability in your cart
This selection is one quoted bundle SKU. Per-unit specifications do not add together to establish system output or runtime.
Check current availability in your cart
This selection is one quoted bundle SKU. Per-unit specifications do not add together to establish system output or runtime.
Check current availability in your cart
This selection is one quoted bundle SKU. Per-unit specifications do not add together to establish system output or runtime.
Check current availability in your cart
This selection is one quoted bundle SKU. Per-unit specifications do not add together to establish system output or runtime.
Check current availability in your cart
- 3,840 Wh · Nominal DC capacity per battery
- LFP · Battery chemistry
- F3800 / F3800 Plus · Host system
- 3,840 Wh · Nominal DC capacity per battery
- LFP · Battery chemistry
- F3800 / F3800 Plus · Host system
- 3,840 Wh · Nominal DC capacity per battery
- LFP · Battery chemistry
- F3800 / F3800 Plus · Host system
- 3,840 Wh · Nominal DC capacity per battery
- LFP · Battery chemistry
- F3800 / F3800 Plus · Host system
- 3,840 Wh · Nominal DC capacity per battery
- LFP · Battery chemistry
- F3800 / F3800 Plus · Host system
- 3,840 Wh · Nominal DC capacity per battery
- LFP · Battery chemistry
- F3800 / F3800 Plus · Host system
Try the cart. Checkout is disabled in this preview.
Made for the way you use energy.
Expansion storage for the F3800 family. Select one battery or the quoted multipack.
Plan the complete setup
Confirm the exact model, connectors and included items. Installed equipment requires a qualified installer; a bundle listing is not an electrical design.
Specifications
F3800 Expansion BatterySKU A1790111-85
Power & capacity
- Nominal DC capacity per battery
- 3,840 Wh
- Battery chemistry
- LFP
Connections & expansion
- Host system
- F3800 / F3800 Plus
F3800 Expansion Battery × 2SKU B1790111-89
Power & capacity
- Nominal DC capacity per battery
- 3,840 Wh
- Battery chemistry
- LFP
Connections & expansion
- Host system
- F3800 / F3800 Plus
F3800 Expansion Battery × 3SKU B1790111-85
Power & capacity
- Nominal DC capacity per battery
- 3,840 Wh
- Battery chemistry
- LFP
Connections & expansion
- Host system
- F3800 / F3800 Plus
F3800 Expansion Battery × 4SKU B1790111-86
Power & capacity
- Nominal DC capacity per battery
- 3,840 Wh
- Battery chemistry
- LFP
Connections & expansion
- Host system
- F3800 / F3800 Plus
F3800 Expansion Battery × 5SKU B1790111-87
Power & capacity
- Nominal DC capacity per battery
- 3,840 Wh
- Battery chemistry
- LFP
Connections & expansion
- Host system
- F3800 / F3800 Plus
F3800 Expansion Battery × 6SKU B1790111-88
Power & capacity
- Nominal DC capacity per battery
- 3,840 Wh
- Battery chemistry
- LFP
Connections & expansion
- Host system
- F3800 / F3800 Plus
Manufacturer specifications for the selected configuration. Nominal battery capacity is not a runtime estimate.
What arrives in the box.

- 1 × F3800 Expansion Battery

- 2 × F3800 Expansion Battery

- 3 × F3800 Expansion Battery

- 4 × F3800 Expansion Battery

- 5 × F3800 Expansion Battery

- 6 × F3800 Expansion Battery
Compare equipment.
| Equipment | BP3800F3800 Expansion BatteryView product | BP3800F3800 Expansion Battery × 2View product |
|---|---|---|
| Price | ||
| Nominal DC capacity per battery | 3,840 Wh | 3,840 Wh |
| Battery chemistry | LFP | LFP |
| Host system | F3800 / F3800 Plus | F3800 / F3800 Plus |
| Equipment | BP3800F3800 Expansion Battery × 2View product | BP3800F3800 Expansion BatteryView product |
|---|---|---|
| Price | ||
| Nominal DC capacity per battery | 3,840 Wh | 3,840 Wh |
| Battery chemistry | LFP | LFP |
| Host system | F3800 / F3800 Plus | F3800 / F3800 Plus |
| Equipment | BP3800F3800 Expansion Battery × 3View product | BP3800F3800 Expansion BatteryView product |
|---|---|---|
| Price | ||
| Nominal DC capacity per battery | 3,840 Wh | 3,840 Wh |
| Battery chemistry | LFP | LFP |
| Host system | F3800 / F3800 Plus | F3800 / F3800 Plus |
| Equipment | BP3800F3800 Expansion Battery × 4View product | BP3800F3800 Expansion BatteryView product |
|---|---|---|
| Price | ||
| Nominal DC capacity per battery | 3,840 Wh | 3,840 Wh |
| Battery chemistry | LFP | LFP |
| Host system | F3800 / F3800 Plus | F3800 / F3800 Plus |
| Equipment | BP3800F3800 Expansion Battery × 5View product | BP3800F3800 Expansion BatteryView product |
|---|---|---|
| Price | ||
| Nominal DC capacity per battery | 3,840 Wh | 3,840 Wh |
| Battery chemistry | LFP | LFP |
| Host system | F3800 / F3800 Plus | F3800 / F3800 Plus |
| Equipment | BP3800F3800 Expansion Battery × 6View product | BP3800F3800 Expansion BatteryView product |
|---|---|---|
| Price | ||
| Nominal DC capacity per battery | 3,840 Wh | 3,840 Wh |
| Battery chemistry | LFP | LFP |
| Host system | F3800 / F3800 Plus | F3800 / F3800 Plus |
Your questions.
Who is this equipment for?
Expansion storage for the F3800 family. Select one battery or the quoted multipack.
What should I verify before choosing?
Confirm the exact model, connectors and included items. Installed equipment requires a qualified installer; a bundle listing is not an electrical design.
What warranty applies?
Manufacturer warranty terms apply to the exact equipment. Confirm the applicable terms before purchase.
What about delivery and returns?
Installation is separate. Delivery and return terms are shown before purchasing is enabled.
Can I finance my purchase?
Affirm is being integrated for direct equipment purchases. Eligible monthly payments and terms will appear when available. For a contractor-managed installation project, ask about BetterPowered Capital. These are separate programs, subject to approval.
Can I place an order?
Yes. Place your order on the website or in the app. No charge is made now: BetterPowered will confirm availability, tax, delivery, return conditions and payment with you.
Will I pay more than at the official brand store?
No. BetterPowered prices will never exceed the brand’s official price for the same product and configuration in the United States.