Our Verdict
Ellenpent Automatic Litter Box Wins

It offers superior safety with infrared and weight sensors and a 9.0L waste capacity. Choose UPFAS for ultra-quiet operation at 35 dB and for medium cats and kittens only.
Bottom Line: Ellenpent Automatic Litter Box is the better choice. It offers superior safety with infrared and weight sensors and a 9.
Who Should Buy Which?
Find the right product for your needs
Buy Ellenpent if...
Automatic Litter Box, Self
If you need a robust, high-capacity automatic litter box suitable for multiple cats or a large feline, the Ellenpent is ideal. Owners prioritizing superior safety with both infrared and weight sensors, and those who appreciate detailed cat health tracking via an app, will find its 9.0L waste capacity and leak-proof design beneficial. It's for those willing to invest slightly more for premium features and less frequent maintenance, ensuring a cleaner environment for larger households.
Buy UPFAS if...
UPFAS Automatic Cat Litter
The UPFAS Automatic Cat Litter Box is perfect for budget-conscious owners of medium cats or kittens who prioritize a quiet living environment. If you don't mind a one-time assembly and seek an ultra-quiet cleaning cycle (below 35 dB), this is your choice. Its fully washable drum part simplifies deep cleaning, and the app offers essential weight monitoring without a subscription. It's an excellent value for smaller feline friends in sound-sensitive homes.
Spec Comparison
10 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $234 | $200 |
| Rating | 4.3(570) | 4.4(942) |
| Sensor Type | infrared, weight | weight |
| Max Pet Weight | 0 lbs | 0 lbs |
| Waste Capacity | 9L | — |
| App Subscription | — | Free |
| Weight | 0 lbs | 0 lbs |
| Model Number | CH-ICB019 | Little-Box-500C-DIY-001 |
| WiFi | Yes | Yes |
| Cleaning Cycle | 2 min | — |
| Noise Level | — | 35 dB |
| Dimensions | — | 19.84" × 22.44" × 18.23" |
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Pros & Cons
Quick overview of strengths and weaknesses
Ellenpent Automatic Litter
- Automated cleaning within 2 minutes of cat exit.
- 9L waste capacity allows 10 days no scooping.
- Infrared and weight sensors provide safety pause.
- App tracks cat health metrics and activity patterns.
- Large 90L size may require significant floor space.
- Requires recurring purchase of scented gel refills.
- Requires 2.4GHz Wi-Fi for app connectivity.
UPFAS Automatic Cat
- Cleaning noise is below 35 dB.
- App monitors cat weight, time, and frequency of use.
- Drum part is fully washable for cleaning.
- Remote control and monitoring via app (Wi-Fi/BT).
- Requires 90 minutes for assembly.
- Not suitable for large adult cats.
Frequently Asked Questions
Common questions about this comparison
Which litter box is better for homes with large cats or multiple cats?
The Ellenpent Automatic Litter Box is better suited for large or multiple cats due to its 90L capacity and explicit mention of supporting large cats. The UPFAS is designed only for medium cats and kittens.
What is the key difference in their safety sensors?
The Ellenpent model uses both infrared and weight sensors for enhanced safety, pausing operation if a cat is detected. The UPFAS litter box relies solely on weight sensors for detecting pet presence during its cleaning cycle.
How do the waste capacities compare?
The Ellenpent Automatic Litter Box features a 9.0-liter waste drawer, allowing for up to 10 days without scooping. The waste capacity for the UPFAS model is not specified, but it's generally aimed at smaller cats.
Which product offers a quieter cleaning experience?
The UPFAS Automatic Cat Litter Box boasts an ultra-quiet operation, with cleaning noise levels below 35 dB. The Ellenpent model does not specify its noise level, but focuses on rapid cleaning (2 minutes).
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