Black+Decker vs LG

On the numbers, both brands field 8-model lineups here, while Black+Decker has the cheaper entry point at ~$75. The table has the lineup-level numbers; the matchups below put individual models spec sheet to spec sheet.

Which brand to buy

Black+Decker's most expensive stick, the SUMMITSERIES select, costs $300. LG's cheapest, the CordZero Q3, costs $299. Every LG model is a cordless stick, and Black+Decker makes sticks and handhelds, so the overlap is real, but the two brands meet only at the top of Black+Decker's range and the bottom of LG's.

The nearest matchup is the Black+Decker POWERSERIES Extreme Pet Cordless Stick Vacuum against the LG CordZero Q3. Both have removable batteries, which owners on each side value. Black+Decker's pack is a 20V MAX shared with its drills; the Q3 swaps mid-clean, and its owners describe washable cyclones, easy maintenance and sturdier build than they expected. The weak points rhyme as well: owners of both report short runtime at full power, about 11 minutes on the Black+Decker and close to 10 minutes on the Q3's high setting, and Q3 owners say it doesn't deep clean carpet well.

LG's case rests on the towers. The CordZero All-in-One A931KWM at $600 empties its bin into a bagged dock, and owners praise its suction on wool rugs and mixed floors, though they report 14 to 20 minutes at full power and debris jamming the dock. At $1,000 the CordZero All-in-One A949KTMS adds a second swappable battery for long sessions; owners call the runtime problem solved but say its Power Mop Pro attachment disappoints. Several LG owners also note that the towers need proprietary bags. Black+Decker suits a small home, a second vacuum for stairs and the car, or anyone already holding its tool batteries. LG suits a buyer replacing a main vacuum who wants hands-off emptying and hidden storage, and who will pay at least $600 for a tower.

Black+DeckerLG
Models tracked88
Price range$75–$300$299–$1,000
Machine typesCordless Stick, HandheldCordless Stick
Mopping machines00
Flagship modelBlack+Decker SUMMITSERIES select Cordless Stick VacuumLG CordZero All-in-One A949KTMS

Black+Decker vs LG: common questions

Is an LG CordZero worth the extra money over a Black+Decker stick?▾

If you want the bin to empty itself, yes, because the LG CordZero All-in-One towers do that and Black+Decker sells nothing comparable. For quick cleanups on a budget, the Black+Decker Powerseries Extreme at $180 covers the basics for far less.

Which has the better battery setup, Black+Decker or LG?▾

Both use removable packs. Black+Decker's 20V MAX battery also runs its power tools, while LG's CordZero A949KTMS ships with two swappable batteries and charges one in the tower, which owners say ends runtime worries in larger homes.