Cordless battery-powered hair dryer is the most convenient hair dryer for outdoor use. Battery operated hair dryers do not come with a cord or wire because they use rechargeable Lithium batteries instead of a power plug to get functioning. To some degree, a battery operated hair dryer is like a double-sided sword. On. There are many advantages you will have by purchasing a cordless hair dryer that uses batteries to work. Not all the battery powered hair dryers are the same, so they vary from design, features. Picking a battery operated hair dryer that suits your needs becomes an important thing. You can. Generally speaking, if you only want to dry your hair a couple of times in areas that don't have sockets & outlets, a battery operated hair dryer can be. You may ask: “I have not heard of these battery-powered hair dryer brands above, why?” Unfortunately, you cannot find any cordless hair dryer model that is from famous hair dryer brands,.