The FinePower CR1632 size battery is compatible with portable electronic devices, remote controls, car alarms, watches, two-way radios, toys, flashlights, and medical measuring devices. The lithium battery withstands operation at temperatures down to -20 °C and provides a stable power supply with a voltage of 3 V. Due to its high charge density, it maintains its properties during storage. The FinePower Ultra battery has a round flat body with a height of 3.2 mm and a diameter of 16 mm.