CR2032 BR2032 LiR2032
Typical capacity 225mAh 190mAh 40mAh
Nominal voltage 3V 2.8V 3.6V
Cutoff voltage 2V 2.25V 3V
Operating temps -20°C (-4°F) to 70°C (158°F) -30°C (-22°F) to 85°C (185°F) -20°C (-4°F) to 60°C (140°F)
Shelf life 10 years > 10 years 80% after 500 charges
Positive cathode Lithium manganese dioxide Lithium carbon monofluoride Various lithium and other chemical compounds

Featured Image from: Pixabay by Alexei_other