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Anker SOLIX BP3800
Expansion battery
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Free standard shipping in the US, usually in 3 to 7 business days. Price confirmed before payment.
Expansion storage for the F3800 family. Select one battery or the quoted multipack.
- 3,840 Wh · Nominal DC capacity per battery
- LFP · Battery chemistry
- F3800 / F3800 Plus · Host system
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What this equipment is for
Expansion storage for the F3800 family. Select one battery or the quoted multipack.
What to check before buying
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
Manufacturer specifications for the selected configuration. Nominal battery capacity is not a runtime estimate.
What arrives in the box.
- 1 × F3800 Expansion Battery
Compare equipment.
| Equipment | BP3800F3800 Expansion BatteryView product |  BP2000 Gen 21 expansion batteryView product |
|---|---|---|
| Price | ||
| Nominal DC capacity per battery | 3,840 Wh | 2,048 Wh |
| Weight | — | 15.3 kg |
| Battery chemistry | LFP | LFP |
| Manufacturer battery cycle life | — | 4,000 (≥80%) cycles |
| Host system | F3800 / F3800 Plus | C2000 Gen 2 |
| Manufacturer warranty | — | 5 years |
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?
Free standard shipping to eligible U.S. addresses. Request a return within 30 days of delivery for unused, uninstalled equipment in its original packaging. For change-of-mind returns, you pay return shipping; BetterPowered adds no restocking fee. Contact us for return authorization. Installation is separate.
Which payment methods do you accept?
Pay securely by credit or debit card. Affirm and Klarna offer payment plans for eligible personal equipment purchases. Checkout shows the methods available for your order.
Can I finance my purchase?
Yes. Choose Affirm or Klarna at checkout for eligible personal equipment purchases. Review your payments and terms before accepting. For contractor-managed installation projects, ask about BetterPowered Capital. Financing is subject to eligibility and approval.
Can I place an order?
Yes. Add the equipment to your cart and complete secure checkout on the website or in the app. Review your delivery address, taxes, total and return terms before paying.