How to judge whether the hair dryer is a lithium battery?

Observe the body logo, observe the product weight and so on.

Observe the body logo: the product logo of the hair dryer will clearly indicate the battery type. If the logo is lithium battery, rechargeable lithium battery and so on, then the hair dryer is a lithium battery hair dryer. If the logo is nickel-hydrogen battery, nickel-cadmium battery, etc. , indicating that the hair dryer uses nickel-hydrogen battery or nickel-cadmium battery.

Observe the product weight: lithium battery has the advantage of light weight compared with other batteries, so the weight of lithium battery hair dryer will be lighter. If the hair dryer is light and there is no room for dry batteries, it is a lithium battery hair dryer.