What are the models of the button battery?
Typical typical models are: 6F22 (9V), F22 (6V), 15F20 (22.5V), 10A (9V), 11A (6V), 23A (12V), 25A (9V), 26A (6V) ), 476A (6V), 120H7D (8.4V), 2X625A (3V), and the like.
Button batteries are generally divided by size, AG is the beginning of the beginning, CR is the beginning of lithium manganese battery SR is the beginning of silver oxide batteries, letters behind the figures are the size of the battery.
Button battery model name in front of the English letter that the battery type, the number that size, the first two digits that diameter, the latter two said thickness.
