Cat water fountains · Choose by your needs
If you need both a rechargeable operating plan and UVC hardware supplied, compare Catit PIXI UV-C #43761, PETKIT EverSweet Max 2 UVC #P4116 and PetSafe HydroSphere Cordless. The first two document interval or timed battery operation; HydroSphere uses motion flow on battery. None turns its UVC feature into a substitute for cleaning, and battery continuous operation is not established across these models.
Comparison updated 29 October 2026.
| Model | Exact model | Battery mode and UVC package | Tradeoff |
|---|---|---|---|
| Catit PIXI Stainless Steel UV-C Fountain 43761 | Catit PIXI Stainless Steel UV-C #43761 | UVC supplied; battery sensor or timed flow | 5 L; continuous only while plugged in. |
| PETKIT EverSweet Max 2 UVC EverSweet Max 2 UVC P4116 | PETKIT EverSweet Max 2 UVC P4116 | UVC pump supplied; 25-second/hour battery baseline | 3 L steel tray; wired continuous flow is a separate plan. |
| PetSafe HydroSphere Cordless 60 oz PWW00-18313 Black / PWW00-18311 White | PetSafe HydroSphere Cordless | UVC supplied; battery motion-triggered flow | 1.7 L described capacity; continuous flow requires USB power. |
Choose it when: The exact #43761 product page includes UVC hardware and the manual documents a rechargeable plan with sensor or interval flow.
The limit: Continuous circulation needs an adapter; the supplied cable does not include the compatible adapter. Follow the exact filter, sponge, reservoir and pump-cleaning schedule.
Choose it when: The exact P4116 bundle includes its UVC pump and linked guide documents a battery interval operating plan.
The limit: Current sensor advertising is not mapped to the manual's power conditions. Do not assume a continuous battery mode; check the exact supplied adapter status, as the U.S. package excludes it.
Choose it when: The exact U.S. Cordless model includes UVC hardware and has a rechargeable plan that runs when a pet approaches.
The limit: The battery plan is sensor flow, not continuous. Hand-wash the pump, keep the base dry and continue routine water checks.
The supplied hardware only establishes a UVC feature. It does not cancel the maker's filter, tank, pump or water-change routine, and no medical or sanitation outcome is claimed here. Use the exact model manual and keep the fountain clean.
Catit #43761 has timed/sensor modes on battery; PETKIT P4116 uses a battery interval baseline; HydroSphere Cordless triggers flow on approach. The matching UVC capability does not make those operating patterns interchangeable.
No. Continue using the filter and following the fountain's cleaning schedule. The feature does not establish less maintenance.
No. These exact configurations document different battery modes; no general continuous battery claim follows from UVC.
The exact P4116 facts describe Bluetooth app use rather than direct Wi-Fi; remote interconnection requires a compatible PETKIT master arrangement.
