Shark PowerDetect Clean & Empty vs LG CordZero All-in-One A931KWM

Quick take: The LG CordZero All-in-One A931KWM costs $11 less; the Shark PowerDetect Clean & Empty runs longer per charge (70 vs 60 min).

SpecShark PowerDetect Clean & EmptyLG CordZero All-in-One A931KWM
Price~$430~$419
TypeCordless StickCordless Stick
SuctionNot disclosed210 AW
Battery70 min60 min
Navigation
FiltrationHEPA5-Step Filtration System
CordlessYesYes
BaggedNoNo
Noise84 dB
Dustbin33.8 oz
Water tank
Self-empty dockNoNo
Auto mop washingNoNo
Hot water washingNoNo
Obstacle avoidanceNoNo
Carpet detectionNoNo
Auto mop liftingNoNo
Multi-floor mappingNoNo
App controlNoYes
Dimensions10.1 x 11.7 x 39.7 in
Weight5.95 lbs
Warranty5 years1 year (10-year motor warranty, parts only)

Pros & cons

Shark PowerDetect Clean & Empty

  • Auto-empty dock stores up to 45 days of debris and recharges after every clean
  • DuoClean Detect nozzle handles hard floor and carpet without swapping heads
  • Detects dirt, edges, and direction changes and boosts suction automatically
  • MultiFlex wand bends to clean under furniture and folds for compact storage
  • 5-year warranty is the longest of any premium stick
  • Excellent tested pickup at a street price near $400
  • Shark publishes no suction figure for spec comparison
  • Battery life is average, and boost mode drains it quickly
  • Nozzle can get grabby and hard to push on thick rugs at high power
  • Dock is bulky compared with bag-based rivals
  • No app, screen, or particle counter at a price where rivals offer them

LG CordZero All-in-One A931KWM

  • Auto-empty, auto-charge tower for meaningfully less than LG's flagship A949KTMS
  • Kompressor tech compacts debris so the small bin needs emptying less often
  • Dual Floor Max nozzle handles carpet and hard floors without swapping heads
  • ThinQ app tracks battery health, filter status, and runs diagnostics
  • Washable, removable filters keep ongoing filter costs low
  • LED headlight and telescoping wand for reach and visibility
  • Real street price (~$400) undercuts the $599.99 list price substantially
  • Single battery caps runtime at about an hour, less in Power/Turbo mode
  • Long-term owners report mixed cleaning performance, including units that cut out after seconds of runtime
  • Multiple owners report the vacuum breaking within roughly three months of normal use
  • Auto-empty tower reliability is inconsistent — works well for some, stops working reliably for others
  • Tower disposal uses proprietary bags, not a simple bagless bin — a recurring cost
  • No mop attachment or second battery — those are reserved for the pricier A949KTMS