My Dyson V8 worked great for about three years. Then the battery started dying faster and faster. I used to clean my whole 2,200-square-foot house without recharging, but now I can barely get through ...

Dyson's arguably the most popular vacuum brand on the market. But if you own one of their cordless vacuums, at some point the battery won't be able to hold a charge anymore. That's really the way it ...