The battery-operated hair clipper does not need to be plugged in to use, only needs to be fully charged. Common electric hair clippers on the market generally include built-in lithium batteries, built-in nickel-metal hydride batteries, built-in nickel-cadmium batteries, and external batteries. Lithium batteries are generally used in high-end hair clippers because of their excellent electrical efficiency; external batteries and built-in Nickel-cadmium batteries are abandoned in foreign markets because they are not environmentally friendly.

8188 Red Household Hair Clipper

Battery classification:

Built-in lithium battery: advantages: excellent electric efficiency, shorter charging time with the same capacity; disadvantages: high price

Built-in Ni-MH battery: Advantages: popular in the market, average price; Disadvantages: average electric efficiency

Built-in nickel-cadmium battery: Advantages: low price; Disadvantages: average electric efficiency, not environmentally friendly

External battery (generally use two AA batteries): advantage: the cost of the hair clipper is lower for the manufacturer; disadvantage: you need to buy another battery, the overall cost performance is not high, and it is not environmentally friendly