oneisall 2.2L/74oz Wireless Cat Water Fountain

A compact cordless cat fountain with a 2.2L reservoir, rechargeable battery, three flow modes, and five-layer filtration.

Our take: The oneisall 2.2L fountain is a sensible option to consider when a cordless setup and flexible flow control matter more than maximum capacity. Its integrated pump and three-piece layout could make placement and routine cleaning simpler, while the five-layer filter adds an extra maintenance item. The stated battery range is broad and dependent on use, so buyers should plan around charging and confirm replacement-filter costs before choosing it for a busy multi-cat household.

What works: Cordless design avoids leaving a pump power cable exposed around the drinking area., Three flow modes provide flexibility for different cat preferences and power-use priorities., Three-piece construction is intended to make disassembly and rinsing more straightforward., Semi-transparent reservoir makes the water level easier to monitor., The compact footprint may suit smaller rooms or feeding stations.
Trade-offs: The advertised 30-45-day battery life is usage-dependent and should not be treated as a guaranteed runtime., The 2.2L reservoir may require more frequent refilling in multi-cat homes or where several pets share one fountain., Ongoing filter replacement and cleaning are part of the ownership routine; buyers should check the cost and availability of compatible supplies.

Category: Pet Supplies

Editorial note: We may use automated tools to organize retailer information and prepare drafts. Unless stated otherwise, this is research-based buying guidance, not a hands-on lab test. Confirm current specifications, seller, price, and availability on Amazon.

Description
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The oneisall wireless cat water fountain has a 2.2L/74oz reservoir, a rechargeable 4000mAh battery, and an integrated pump designed to operate without a loose power cord. Its three listed modes are motion sensor, constant flow, and intermittent flow.

The fountain uses a five-layer filter made from activated carbon, ion resin, Maifan stone, non-woven fabric, and a high-density sponge. Its three-piece construction is intended to simplify disassembly, while the semi-transparent body allows the water level to be checked at a glance.

Listed dimensions: 7 x 7 x 5.5 inches
Material: BPA-free, food-grade polypropylene
Battery: 4000mAh rechargeable
Included configuration shown: fountain, one filter, and one sponge