One-minute reviewThe Ultenic FS1 is a cordless, bagless vacuum that can empty its own dirt into a bag in the charging station, and there aren’t too many models around with this feature. At the time of writing, there are no cordless stick vacuums that can self empty in our best cordless vacuums list, so will the Ultenic FS1 make the cut?Ultenic is still a relatively little known Chinese brand, and although it concentrates on cordless and robot vacuums, its
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