Prime Big Deal Days Bring Deep Discounts on Robot Vacuums

Amazon’s Prime Big Deal Days, set for October 7 and 8, have brought steep discounts on robot vacuum cleaners, with several models already marked down ahead of the sales event. Retail listings and manufacturer announcements show price cuts across entry level and flagship devices from Ecovacs, Shark, iRobot, Eufy and others, with some offers hitting record lows.

One headline bargain is the Ecovacs Deebot T30S, listed at about $394.99 from roughly $1,099.99, a reduction of about $705. The combination vacuum and mop boasts manufacturer-stated features including 11,000 pascal suction, TruEdge mopping that the company says reaches corners with 1 millimeter precision, ZeroTangle brush technology, real-time video capabilities, AIVI 3D obstacle avoidance, and a TrueMapping navigation system. The device’s 6,400 milliampere-hour battery is reported to deliver up to 180 minutes of cleaning on a single charge and to resume cleaning after automatic recharging.

Shark has multiple models on sale, with the AV2501S AI Ultra advertised to Prime members at about $230, a roughly 58 percent discount and a record-low price for that model. Shark’s listings indicate the unit runs up to 120 minutes per...