What is the use of lr754 button battery

Electronic watches, car remote controls, computers, instruments, various hand-held instruments, etc.

Button batteries are widely used in various miniature electronic products due to their small size, with diameters ranging from 4.8mm to 30mm and thicknesses ranging from 1.0mm to 7.7mm. They are generally used as backup power sources for various electronic products, such as Computer motherboards, electronic watches, electronic dictionaries, electronic scales, remote controls, electric toys, pacemakers, electronic hearing aids, counters, cameras, etc.

Button batteries are also divided into two categories: chemical batteries and physical batteries, and chemical batteries are the most commonly used. They consist of anode, cathode and its electrolyte etc. The appearance is made of stainless steel, and it is used as the positive pole. The negative pole is a stainless steel circular cover. There is a sealing ring for insulation between the positive pole and the negative pole. There are many types of button batteries, most of which are named after the materials used, such as silver oxide batteries, lithium batteries, alkaline manganese batteries, etc.