LR44 1.5V battery 2 units

The LR44 battery is a family of non-rechargeable alkaline button cells of equivalent sizes made of silver oxide but with a lower voltage since it has 1.5 volts and the same size silver oxide battery has a voltage of 1.55V. It is the most widely used alkaline button cell model and with the largest number of electronic devices, given its capacity and size, it is very versatile. Its use is widespread for low-power electronic devices such as calculators, cheap watches, laser pointers and small electronic devices, remote controls and security systems, toys, remote controls, etc.