The Eufy SoloCam S40 and Ring Stick Up Cam Battery are both popular wire-free outdoor cameras in the $100-$130 range, but they make fundamentally different bets. Eufy banks on local storage with no monthly fee — all clips save directly to the camera's internal 8 GB storage. Ring banks on its subscription ecosystem and Amazon integration. The subscription math deserves your full attention here.
Eufy SoloCam S40
The Eufy SoloCam S40 is the better value for most buyers — its local storage, 2K resolution, and no-subscription-required clip history are genuinely hard to beat at this price.
Specs Comparison
| Spec | Eufy SoloCam S40 | Ring Stick Up Cam Battery |
|---|---|---|
| Resolution | 2K (2560x1440) | 1080p HDR |
| Local Storage | Yes, 8 GB built-in | No |
| Solar Panel | Built-in | Accessory ($49.99 extra) |
| Subscription for Clips | Not required | Required ($4.99+/mo) |
| Apple HomeKit | No | No |
| Price (MSRP) | $109.99 | $99.99 |
Local Storage vs. Cloud
The Eufy SoloCam S40 stores clips on 8 GB of built-in flash storage — no hub, no subscription, no cloud required. Clips are accessible through the Eufy app over local Wi-Fi or remotely. The storage holds roughly 7 days of motion-triggered events before it begins overwriting the oldest footage.
Ring Stick Up Cam Battery stores nothing locally. Every clip goes to Ring's cloud servers, and you need a Ring Protect Basic subscription ($4.99/month per camera) to access any recorded footage. Without it, you get alerts and live view — nothing else.
Over 24 months, Ring Protect Basic adds $119.76 to the camera's total cost. That's not nothing.
Video Quality
The Eufy SoloCam S40 records at 2K (2560x1440) with a built-in spotlight and color night vision. RTINGS noted its face identification at 15 feet is significantly clearer than 1080p cameras at the same distance.
The Ring Stick Up Cam Battery records at 1080p HDR. It's solid for its price tier — Ring's HDR processing handles mixed lighting well — but 1080p is noticeably softer than 2K when you're looking at license plates or faces at a distance.
For identification purposes — the main reason to have an outdoor camera — 2K matters. The Eufy's resolution advantage is real.
Solar Charging
The SoloCam S40 has a built-in solar panel on top of the camera body — no accessory purchase required. In climates with 4+ hours of direct sunlight daily, it charges as fast as it depletes. Eufy rates it as 'continuously powered' in adequate sun conditions.
Ring offers a solar panel accessory for the Stick Up Cam Battery, but it's sold separately for around $49.99. If you want solar-powered Ring, your total cost jumps accordingly.
The integrated solar on the SoloCam S40 is a genuine differentiator and removes the charging hassle entirely for most U.S. climates.
Smart Home Integration
Eufy cameras support Amazon Alexa and Google Home. Apple HomeKit support exists on select Eufy cameras but is not available on the SoloCam S40 specifically — a notable gap for HomeKit households.
Ring Stick Up Cam Battery integrates deeply with Alexa, Echo Show displays, and Ring Alarm. HomeKit is not supported. For Amazon households with Ring Alarm already in place, Ring's ecosystem coherence is a real advantage.
Neither camera supports HomeKit natively. Both work fine with Alexa for live view on Echo Show devices.
Eufy SoloCam S40 Strengths
- 8 GB local storage — no subscription needed for clip history
- 2K resolution with color night vision and built-in spotlight
- Integrated solar panel — no separate accessory purchase
- No monthly fee to access your own footage
Ring Stick Up Cam Battery Strengths
- Deep Ring Alarm and Alexa integration
- Ring Protect Plus ($10/mo) covers unlimited cameras — better value at scale
- Wide accessory ecosystem (solar, mounts, plug-in adapter)
- Strong Ring brand support and widespread retail availability
Eufy SoloCam S40 Weaknesses
- No Apple HomeKit support on SoloCam S40
- 8 GB local storage limited — ~7 days before overwrite
- Eufy's app and cloud infrastructure less mature than Ring's
Ring Stick Up Cam Battery Weaknesses
- Ring Protect subscription required for any clip history ($4.99+/mo per camera)
- 1080p resolution trails Eufy's 2K
- Solar panel is a separate $49.99 purchase
Best For
- a: Best for anyone who wants outdoor security without paying a monthly fee to access their own footage.
- b: Best for Ring Alarm owners who want cameras and security monitoring under one subscription.
FAQ
Can Eufy SoloCam S40 clips be backed up to the cloud?
Yes — Eufy offers an optional cloud storage plan starting at $2.99/month for additional backup. The 8 GB local storage is the default and works without it.
Does the Ring Stick Up Cam Battery work indoors?
Yes — it's rated for indoor and outdoor use. The weatherproofing makes it slightly bulkier than a dedicated indoor camera, but it functions in either location.
How does the SoloCam S40's solar panel work in winter?
In northern climates with short winter days or frequent cloud cover, the solar input may not fully offset power use. Eufy recommends manual charging via USB-C in low-sun months.