Best cordless vacuum for 2021: Hoover, Moosoo, Shark, Dyson, Bissell and more

Today's vacuum cleaners are not the heavy, massive appliances they once were. Modern machines are lightweight, cordless and powered by rechargeable lithium-ion batteries. Many can handle different types of flooring, from hardwood to thick carpets. And they often come with useful attachments to help with more chores around the house.