Home / Home / L50 Ultra vs L40S Ultra: L50 Ultra mops harder and streaks lessHome robot vacuum cleaningL50 Ultra vs L40S Ultra: L50 Ultra mops harder and streaks lessThe L50 Ultra’s mop vibrates at a higher frequency, scrubbing harder and leaving fewer streaks. The L40S Ultra gives a gentler wipe that may need manual touch-ups on sticky spots. Search Amazon As an Amazon Associate I earn from qualifying purchases.Related NotesExploreExploreExplorePrevious M1 MacBook Air vs traditional laptops: Soldered NAND kills upgradeabilityNext Is the Xiaomi S40 Pro worth the premium over the H40?