Lithium Coin Battery refers to a battery with a size like a small button. Generally speaking, the diameter is larger and the thickness is thinner (compared to cylindrical batteries such as AA batteries on the market). The button battery is from the appearance to the battery. The corresponding batteries are classified into cylindrical batteries, square batteries, and special-shaped batteries.
Due to its small size, Lithium Coin Battery has been widely used in various miniature electronic products, with diameters ranging from 4.8mm to 30mm and thicknesses ranging from 1.0mm to 7.7mm; Such as computer motherboards, electronic watches, electronic dictionaries, electronic scales, remote controls, electric toys, pacemakers, electronic hearing aids, counters, cameras, etc.