Enabot Rola Smart Pet Water Fountain for $50: This automatic fountain is cordless and runs on a rechargeable battery that lasts up to 60 days (although it can stay plugged in too). —Kat MerckHappy & Polly Gothic Cat Drinking Fountain for $60: If you prefer gothic decor to neutral blandness, this ghostly ceramic cat fountain from Happy & Polly may tempt you to bite. —Simon HillPhotograph: Simon HillOneisall Stainless Steel Pet Fountain for $50: This drinking fountain is about as simple as they come. Whisker City Free Fall Cat Fountain for $30: This huge fountain is better suited for dogs—with a large 150-fluid-ounce bowl and a waterfall design. While automatic water fountains are better for your cats' overall water consumption, they do require a bit more work and money.