Get 50% off the Dyson Digital Slim cordless vacuum at Walmart right now (for a limited time). ... The battery also lasts up to 40 minutes before you’ll need to charge it.

"Dyson cordless vacuum cleaners include a 2-year manufacturer's guarantee which covers the battery, and we'd expect the battery to last at least that long." So, it's worth contacting the company ...

The Dyson PencilVac also has an LCD screen that displays battery information, power mode, and run time. The vacuum has a magnetic charging dock and delivers up to 60 minutes of battery life.

Dyson V11 Cordless Stick Vacuum: was $569 now $514 at Amazon. ... The Dyson V11 boasts a 60-minute battery life which is about standard for an affordable cordless vacuum.