The Anker SOLIX BP3800 Expansion Battery ($1,699.99) is recommended with a 7.3/10 consensus score across 2 expert reviews. Experts highlight roughly $443 per kwh — the lowest expansion cost in the entire tier and stacks up to a 26.9kwh single-stack ceiling on an f3800-series host. Best for: F3800 or F3800 Plus owners wanting the lowest-cost expansion battery per kWh in the tier.

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Anker SOLIX BP3800 Expansion Battery
Expansion Battery
SmartHomeExplorer proprietary rating
2 expert sources
The Anker SOLIX BP3800 Expansion Battery earns a SHE Score of 6.1/10, driven by strong value (8.8/10) with room to improve in future-proofing (5/10). Based on 2 expert sources and SmartHomeExplorer compatibility analysis.
How we calculate the SHE Score →Expert Consensus: 7.3/10 across 2 sources
Last verified:Key Features
- ✓ 3,840Wh LiFePO4 expansion capacity for the F3800 series
- ✓ Pass-through design — no inverter of its own
- ✓ 10-year battery lifespan claim
- ✓ Roughly $443 per kWh at $1,699.99 — cheapest in the tier
Best For
What Experts Agree On
What Experts Love
- ✓ Roughly $443 per kWh — the lowest expansion cost in the entire tier
- ✓ Stacks up to a 26.9kWh single-stack ceiling on an F3800-series host
- ✓ Plug-and-play onto an F3800 or F3800 Plus with no separate panel
- ✓ Cheapest path to extending the F3800's 6,000W system runtime
Common Criticisms
- ✗ Pass-through only — it adds capacity but no inverter or output of its own
- ✗ Inherits the F3800's 20ms switchover, not the Delta Pro 3's 10ms
- ✗ Locked to the F3800 series; zero cross-compatibility with EcoFlow hardware
What The Experts Say
Ready to buy the Anker SOLIX BP3800 Expansion Battery?
Check Price on Amazon$1,699.99 · 2 expert sources · 7.3/10 consensus
Frequently Asked Questions
Is the Anker SOLIX BP3800 Expansion Battery worth it?
Anker SOLIX BP3800 Expansion Battery earns a 7.3/10 consensus score across our 12 expert sources. It is rated "Recommended" — F3800 or F3800 Plus owners wanting the lowest-cost expansion battery per kWh in the tier. At $1,699.99, it ranks among the top picks in its category.
Who is the Anker SOLIX BP3800 Expansion Battery best for?
Anker SOLIX BP3800 Expansion Battery is best for: F3800 or F3800 Plus owners wanting the lowest-cost expansion battery per kWh in the tier. Experts rate it "Recommended" overall.
How does the Anker SOLIX BP3800 Expansion Battery compare to other Energy options?
Among the Energy products we have reviewed, Anker SOLIX BP3800 Expansion Battery ranks below average with a 7.3/10 score. See our full category comparison for more details.
What smart home systems does the Anker SOLIX BP3800 Expansion Battery work with?
Anker SOLIX BP3800 Expansion Battery works with major smart home platforms. Check our compatibility notes on the product page for any setup requirements or hub dependencies.
What are the pros and cons of the Anker SOLIX BP3800 Expansion Battery?
The main pros of the Anker SOLIX BP3800 Expansion Battery are roughly $443 per kwh — the lowest expansion cost in the entire tier and stacks up to a 26.9kwh single-stack ceiling on an f3800-series host. The main downside is pass-through only — it adds capacity but no inverter or output of its own. Overall, experts rate it "Recommended" with a 7.3/10 consensus score.
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you. This consensus review is based on 2 independent expert reviews — we did not test this product ourselves. Always verify current prices and availability before purchasing.

