

Oneisall CW01 Wireless Cat Water Fountain 304 Stainless Steel, 3.5L/118oz Cordless Water Fountains for Cats Indoor, Silver
Key item features
- [Cordless & Safe] - No cords, no hazards, place it anywhere.
- [Award-Winning] - Winner of the 2025 reddot & 2025 iF Design Awards.
- [Stainless Steel Design] – Dishwasher-safe, hygienic, and easy to clean.
- [3 Water Modes] – Sensor, intermittent, and continuous flow modes.
- [Advanced Filtration] – Removes debris for fresh, clean water.
- [Long Battery Life] – Lasts up to 60 days on a single charge.
- [Ultra-Quiet Pump] – Operates under 30dB for a peaceful environment.
Specs
- Water capacity3.5 L
- FeaturesFiltration
- MaterialStainless Steel
- Animal typeCat
- Care and maintDishwasher-safe
- Assembly reqY
Reviews summary
- : Setup requires minimal effort.
- : Made of stainless steel for simple cleaning process.
- : Runs with minimal noise during use.
- : Provides continuous water flow for pets to drink from.
- : Lasts several weeks on a single charge.
- : Insufficient options make replacement and maintenance difficult.
- Free shipping
Free 90-day returns
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About this item
Product details
Replacement Filters for 3.5L CW01 Wireless Cat Water Fountain
Oneisall was established in 2016 to provide every pet better life and health.
It is a hard-earned brand on Walmart. We never ignore customers' needs. In 2022, we set up an R&D department to focus on the needs of pet owners and make products that they like better.
Oneisall CW01 Cat Water Fountain Description:
[Cordless Freedom for Safe and Flexible Hydration] - The Oneisall wireless cat water fountain operates wire-free, eliminating the risk of tangled cords or cat-chewed wires. Its portable design allows placement anywhere—whether indoors or outdoors—ensuring your pet has access to fresh water wherever they need it.
[Durable & Hygienic Stainless Steel Construction] - Made from 304 stainless steel, the Oneisall stainless steel cat water fountain resists bacteria buildup, helping prevent feline acne. It’s easy to clean, dishwasher-safe and ensures fresh, clean drinking water for a healthier pet hydration experience.
[Three Water Flow Modes for Personalized Drinking] - Designed to cater to different cats' drinking habits, the Oneisall water fountain for cats offers three modes: ① Sensor Mode: Activates water flow for 30s when a pet approaches within 39 inches (1m). ② Intermittent Mode: Dispenses water for 30s every 30 minutes. ③ Continuous Mode: Provides a steady water flow when plugged in.
[Advanced Filtration for Cleaner, Fresher Water] - Featuring a multi-layer filtration system, including activated carbon filters, the Oneisall cat fountains for drinking removes impurities, hair, and debris, ensuring your pet always has access to clean, fresh-tasting water. Comes with 2 replacement filters for long-term use.
[Extended Battery Life for Worry-Free Use] - Equipped with a 5000mAh rechargeable battery, the Oneisall pet water fountain offers up to 60 days of continuous standby. It keeps working even during power outages, ensuring your pet stays hydrated without constant recharging or supervision.
[Ultra-Quiet Pump for a Peaceful Environment] - Operating at a noise level below 30dB, the Oneisall cat water fountain stainless steel won’t disturb your pet or household. The low-power 5V 1A pump design ensures energy efficiency, providing a long-lasting, quiet, and reliable water flow.
[Large 3.5L Capacity with Water Level Indicator] - Oneisall water fountains for cats indoors are designed for multi-pet households, the generous 3.5L (118 fl oz) capacity keeps your pets hydrated for over two weeks. A built-in water level window allows easy monitoring, making it perfect for busy pet owners or frequent travelers.
Oneisall CW01 Cat Water Fountain Specification:
Brand: Oneisall
Model: CW01
Material: 304 Stainless Steel; Food-Grade ABS
Color: Silver
Water Tank Capacity: 3.5L/118oz
Rated Voltage/current: DC 5V/1A
Product Size: 7.8 x 7.8 x 6 inches
Weight: 2.1 Ib
Suitable for: Cats
Package Included:
1 x Cat Water Fountain
2 x Filters
1 x Adapter
1 x Type-C Cord
1 x User Manual
1 x Cleaning Brush
- [Cordless & Safe] - No cords, no hazards, place it anywhere.
- [Award-Winning] - Winner of the 2025 reddot & 2025 iF Design Awards.
- [Stainless Steel Design] – Dishwasher-safe, hygienic, and easy to clean.
- [3 Water Modes] – Sensor, intermittent, and continuous flow modes.
- [Advanced Filtration] – Removes debris for fresh, clean water.
- [Long Battery Life] – Lasts up to 60 days on a single charge.
- [Ultra-Quiet Pump] – Operates under 30dB for a peaceful environment.
Specifications
Water capacity
Features
Material
Brand
Directions
Instructions
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
Warning Text
Customer ratings & reviews
Reviews summary
- : Setup requires minimal effort.
- : Made of stainless steel for simple cleaning process.
- : Runs with minimal noise during use.
- : Provides continuous water flow for pets to drink from.
- : Lasts several weeks on a single charge.
- : Insufficient options make replacement and maintenance difficult.
Customer photos






+24 images
Showing 1-3 of 154 reviews
Verified Purchase
Rechargeable cat water bowl.
I bought this cat watering system because it is rechargeable and can get placed any where. My cat drinks water but she was always putting her paws and emptying the bowl out. I saw people suggested these type of symptoms so I thought I would try it. She was a bit taken by it when she first saw it and didn't know what to think of it. Now she is drinking from it. It is very quiet running as well.
Verified Purchase
This fountain is perfect! Quiet operation and no splash back. It was easy to clean and assemble. I like the choice of settings for how often the water can flow from continual to motion activated, although the later is my cat's least favorite. So glad I found this!
Verified Purchase
Love it
The oneisall CW01 Wireless Cat Water Fountain has truly exceeded my expectations! As a pet owner, I am always looking for ways to keep my cat hydrated and happy, and this cordless fountain is a game changer. The 305 stainless steel construction not only looks sleek in my home but is also super easy to clean and maintain, ensuring fresh water for my kitty every day. I love the generous 3.5L/118oz capacity—it means I don't have to constantly refill it, and my cat always has access to clean, filtered water. The wireless design makes setup a breeze and eliminates messy cords, which is a huge plus for safety and convenience. The fountain runs quietly, so it doesn't disturb my cat or my household. My cat was immediately curious and now prefers this fountain over her old water bowl. I've noticed she's drinking more water, which gives me peace of mind about her health. Overall, I highly recommend the oneisall CW01 to any cat parent looking for a stylish, durable, and user-friendly water fountain. It's a fantastic investment for your pet's well-being and makes daily life so much easier!












