oneisall Wireless Cat Water Fountain: 74oz/2.2L Cordless Pet Water Fountains
- Cat Fountain
- Better rated than 60%
A cordless, battery-powered option for owners who need fountain placement flexibility, though the lack of listed specs beyond battery size and capacity leaves some details unconfirmed.
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How it ranks among the 43 cat fountains we track
4.4★ across 737 Amazon ratings, Bayesian-smoothed toward the category average.
737 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
700+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 43 cat fountains we track - how the scorecard works · full cat fountains data report. Confidence: limited - incomplete product information.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
A cordless water fountain from oneisall holding 74 oz (2.2 L) and running on a 4000mAh rechargeable battery, built around what the brand calls a SilentFlow pump for quiet operation near sleeping or easily startled cats.
Going cordless removes the need to route a cable near a water bowl, which matters in homes where the fountain sits away from an outlet. No attribute data or seller description were provided beyond the title, so capacity and battery claims come from the product name alone.
- 74 oz (2.2 L) water capacity
- 4000mAh rechargeable battery
- Cordless, battery-operated design
- BPA-free materials
Who it's for
Cat owners who want a water fountain in a spot without a nearby outlet, or who are sensitive to the hum of corded fountain pumps. Less useful for households with multiple cats needing a higher-capacity or multi-bowl setup.
Strengths and trade-offs
Drawn from this product's published specifications.
- Cordless design frees up placement options
- 74 oz capacity for multi-day use between refills
- Quiet pump aimed at noise-sensitive cats
- No attribute or description data on file to verify battery runtime
- Battery needs periodic recharging unlike a plug-in fountain
Performance notes
The 4000mAh battery is meant to power the pump for extended stretches between charges, with the SilentFlow design aimed at keeping noise low enough not to discourage cats that are wary of moving water.
Specifications
| Brand | oneisall |
|---|---|
| Model | PW13 |
How it compares
This product against the closest alternatives we track in cat fountains.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| oneisall Wireless Cat Water Fountain: 74oz/2.2L Cordless Pet Water FountainsThis product | 4.4 / 5 | 737 | 2.7 / 5 |
| Cat Water Fountain Stainless Steel: 74oz/2.2L Cat Fountain for DrinkingCat | 4.4 / 5 | 11,585 | 4.5 / 5 |
| Veken Innovation Award Winner 95oz/2.8L Pet FountainVeken | 4.3 / 5 | 49,309 | 4.4 / 5 |
| Wonder Creature Cat Water Fountain Stainless SteelWONDER | 4.4 / 5 | 57,300 | 4.4 / 5 |
| PETLIBRO Stainless Steel Cat Water FountainPETLIBRO | 4.6 / 5 | 1,870 | 4.4 / 5 |
Similar cat fountains from other brands
Questions about the oneisall PW13
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Does the oneisall fountain need to be plugged in?
No, it runs cordless on a 4000mAh rechargeable battery rather than a continuous power connection.
How much water does the oneisall fountain hold?
It holds 74 oz, or about 2.2 liters.
Is the pump loud enough to bother cats?
The brand describes it as an ultra-quiet SilentFlow pump, built for cats that are sensitive to fountain noise.