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Corded vacuums are supposed to be outdated – so why is the Shark Detect Lift-Away XL so good?
The Guardian's tech reviewer tests the Shark Detect XL LA791UKT, a corded upright vacuum, arguing that despite cordless models dominating the market, corded designs still offer real advantages such as uninterrupted power and lower prices due to the absence of a costly battery. The review finds this particular model impresses by combining strong suction with an effective dual-surface cleaning head, making it a standout among corded options despite the inconvenience of managing a cable and plug sockets.
Central to the vacuum is its Duo Clean floor head, which merges a soft roller and a standard brush bar so it can tackle both carpets and hard floors without swapping attachments, and a new "Detect" sensor that automatically senses the floor type and adjusts roller speed accordingly. Testing involved measuring suction with a gauge and running cleaning trials with pre-weighed cat litter, flour and pet hair on carpet and hard flooring. The reviewer notes the design borrows heavily from Shark's cordless range, offers a lift-away handheld mode via a foot-pedal release, and features a 2.5-litre bin, concluding that its incremental, unflashy improvements are more effective than the drastic redesigns seen on some rival cordless models.
In short
- Shark Detect XL corded vacuum praised for strong, versatile cleaning performance
- Duo Clean head handles carpets and hard floors without switching attachments
- New sensor auto-adjusts roller speed to detect floor type
Explained simply
The vacuum market has shifted significantly towards cordless models, which now dominate consumer choices and retail shelves. These battery-powered machines are widely presumed superior to corded designs, yet corded vacuums remain in production because they offer practical advantages: constant suction power and substantially lower prices due to the absence of an expensive battery. This raises the question of whether cordless technology has truly made corded vacuums obsolete.
Corded vacuums do have clear drawbacks, particularly the need to manage a cable and locate plug sockets when cleaning. However, the trade-off might appeal to households prioritising lower cost or consistent performance over the convenience of cordless models. Manufacturers including Shark continue to develop corded designs aimed at remaining competitive with their cordless counterparts.
This matters because it challenges the notion that newer technology automatically serves every consumer better. Different households have different needs and priorities, and the continued existence of well-designed corded vacuums reflects that the cordless trend does not suit everyone.