Is the eufyCam S3 Pro Add-on Cam (Solar, 4K) worth it?
The eufyCam S3 Pro Add-on Cam (Solar, 4K) is recommended with a 8.8/10 consensus score. Experts highlight cheapest way to add a 4k eufy camera when the listing is in stock and same maxcolor night vision sensor as the full s3 pro kits. Best for: Existing eufy HomeBase 3 owners who want to add one more 4K solar camera with on-device AI and zero monthly fee.
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eufyCam S3 Pro Add-on Cam (Solar, 4K)
Outdoor Security Camera
Expert consensus
How we scoreKey Features
- ✓ Single 4K (3840x2160) camera with MaxColor Vision night vision
- ✓ Records locally to an existing HomeBase 3 — no monthly fee
- ✓ Bundled solar panel plus 13,000mAh battery
- ✓ On-device AI face recognition with people, vehicle, and pet sorting
Best For
eufyCam S3 Pro Add-on Cam (Solar, 4K) vs. the alternatives
How the eufyCam S3 Pro Add-on Cam (Solar, 4K) stacks up against other Security options on price, expert consensus, and ecosystem support.
| Product | Price | Consensus | Works With | Verdict |
|---|---|---|---|---|
| eufyCam S3 Pro Add-on Cam (Solar, 4K)This page | — | 8.8/10 | — | Recommended |
| eufyCam S3 Pro 2-Cam Kit (Solar, 4K) | $429.99 | 9.2/10 | — | Must Buy |
| eufyCam S3 Pro 4-Cam Kit (Solar, 4K) | $799.99 | 9/10 | — | Recommended |
| Arlo Pro 2K Spotlight Camera (6th Gen, 2025) — 2-Cam Kit | $149.00 | 6.6/10 | — | Good Value |
The eufyCam S3 Pro Add-on Cam (Solar, 4K) earns a 8.8/10 expert consensus, versus the Eufy Security S330 Video Doorbell at $109.99 list (8.7/10 consensus).
What Experts Agree On
What Experts Love
- ✓ Cheapest way to add a 4K eufy camera when the listing is in stock
- ✓ Same MaxColor night vision sensor as the full S3 Pro kits
- ✓ Solar plus 13,000mAh battery means set-and-forget charging
- ✓ No monthly fee — records to the HomeBase you already own
Common Criticisms
- ✗ Only a value if you already own a HomeBase 3 to pair it to
- ✗ Single camera — not a standalone system on its own
- ✗ This ASIN (B0DDQ3JTFX) returned no live listing as of 2026-08-06 — no genuine New single-camera replacement found; confirm stock before buying
Frequently Asked Questions
Is the eufyCam S3 Pro Add-on Cam (Solar, 4K) worth it?
The eufyCam S3 Pro Add-on Cam (Solar, 4K) earns a 8.8/10 consensus score and is rated "Recommended". It is best for Existing eufy HomeBase 3 owners who want to add one more 4K solar camera with on-device AI and zero monthly fee. It ranks among the top picks in its category.
How much does the eufyCam S3 Pro Add-on Cam (Solar, 4K) cost?
We do not have a verified current price for the eufyCam S3 Pro Add-on Cam (Solar, 4K). It earns a 8.8/10 consensus score with a "Recommended" rating, which is strong value relative to the ~7.5/10 average for Security products. Check the live figure at the retailer before buying.
Who is the eufyCam S3 Pro Add-on Cam (Solar, 4K) best for?
The eufyCam S3 Pro Add-on Cam (Solar, 4K) is best for Existing eufy HomeBase 3 owners who want to add one more 4K solar camera with on-device AI and zero monthly fee. Experts rate it "Recommended" with a 8.8/10 consensus.
How does the eufyCam S3 Pro Add-on Cam (Solar, 4K) compare to other Security options?
Among the Security products we have aggregated, the eufyCam S3 Pro Add-on Cam (Solar, 4K) ranks above average with a 8.8/10 score. See our full category comparison for head-to-head details.
Does the eufyCam S3 Pro Add-on Cam (Solar, 4K) need a hub or a subscription?
No mandatory subscription — the core features work without a monthly fee.
What are the best alternatives to the eufyCam S3 Pro Add-on Cam (Solar, 4K)?
If the eufyCam S3 Pro Add-on Cam (Solar, 4K) (8.8/10) is not the right fit, the closest alternatives in Security are Eufy Security S330 Video Doorbell, Ring Video Doorbell 4. Compare them on price, ecosystem support, and expert consensus to find your match.
What are the pros and cons of the eufyCam S3 Pro Add-on Cam (Solar, 4K)?
The main strengths of the eufyCam S3 Pro Add-on Cam (Solar, 4K) are cheapest way to add a 4k eufy camera when the listing is in stock and same maxcolor night vision sensor as the full s3 pro kits. The most-cited downside is only a value if you already own a homebase 3 to pair it to. Overall, experts rate it "Recommended" with a 8.8/10 consensus score.
Decided on the eufyCam S3 Pro Add-on Cam (Solar, 4K)?
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Sources & Methodology
Consensus score based on available data. See how we build consensus scores.
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you.This is a consensus review — we did not test this product ourselves. Always verify current prices and availability before purchasing.
Independence notice: Smart Home Explorer is an independent publication. eufy and other product names, logos, and brands referenced on this page are the property of their respective owners and are used for identification purposes only. This review is not sponsored by, affiliated with, or endorsed by eufy or any other manufacturer named in this article.