The J15 Pro Ultra is a wonderful robot vacuum and remains a top pick on our list of the best robot vacuums. But it’s truly overshadowed by the company’s latest and greatest – the Eureka J15 Max Ultra. Everything gets doubled — The Eureka J15 Max Ultra is more powerful, can reach further, and navigate betterThe J15 Max Ultra is Eureka’s most powerful robot vacuum yet, with an impressive 22,000 Pa of maximum suction power. And once it’s done, the J15 Max Ultra can clean itselfThe final piece that makes the J15 Max Ultra stand out is its base station. The Eureka J15 Ultra – mid-range price, flagship performance The Max Ultra is fantastic!