Flysmart AG1 364A , 1.55 V Alkaline Button Coin Cell Electronics Battery  (Pack of 100)

These batteries are commonly used in small electronic devices such as calculators, watches, toys, and small remote controls. It is important to note that each of these batteries has a slightly different voltage and capacity, so it is important to check which specific battery your device requires before using one of these batteries as a replacement. Additionally, it is important to dispose of used batteries properly and not to mix different types of batteries in the same device