Thanks to the Lithium-Ion battery, you’ll get up to 60 minutes of power – plenty of time to clean a typical home from top to bottom. This score shows how well the vacuum cleaner sucks up fine Arizona desert sand from deep within the pile of Wilton carpets.

A five-star score here means that your hard flat floors will be left spotless of any large debris, one-star means much will be left behind or scattered around the floor. A great cordless vacuum cleaner can suck it all up in less than 20 seconds, the worst leave hair behind even after two minutes of continuous cleaning.Shark says that the enhanced brush-roll design on the Stratos IZ400UKT delivers best ever hair pick-up. This score shows how well each cordless vacuum cleaner picks up dust from in between the crevices that you find between traditional floorboards. Featuring Anti Hair Wrap Plus and Clean Sense IQ, this model from the Stratos collection of vacuums will transform your cleaning routine. If you want to compare how well this vacuum cleans when the vacuum is full, and empty, then compare the floorboard star rating, with this one.

Anti Hair Wrap Plus removes long, short and pet hair from the brush-roll as you clean so you don't have to.

Featuring their exclusive Anti Hair Wrap Plus technology, this model includes an enhanced brush roll design which delivers Shark’s best-ever hair pick-up. While some cordless vacuums will comfortably suck up dust from a flat hard surface, floorboards with deep crevices often prove a lot more challenging.