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Robot Vacuums Add Extendable Arms but Early Tests Expose Reliability Gaps

Independent reviews report strong suction, faster partial charging, inconsistent arm operation, falling attachments that reduce confidence in corner cleaning.

Overview

  • Manufacturers have launched flagship models with extendable side brushes and articulated mopping arms designed to reach baseboards, chair legs and tight corners that ordinary robots miss.
  • Dreame’s X60 Pro Ultra showed very high suction and quicker partial recharges in an independent test but its 18 cm extendable mopping arm behaved erratically and a small attachable brush repeatedly detached during trials.
  • MOVA’s V70 Ultra Complete was demonstrated with 12–16 cm extendable brushes and a feature‑rich docking station that washes and dries mops at high temperatures, and it is now available through the maker’s site and major retailers.
  • Both models pair high advertised suction (around 40,000–42,000 Pa), improved obstacle climbing and advanced stations to cut maintenance, yet reviewers warn that suction specs alone do not guarantee consistent corner cleaning.
  • The next decisive steps will be broader independent testing and firmware or design fixes because reported faults such as intermittent arm deployment and loose attachments are repairable but currently reduce real‑world value for buyers.