Highfields Amateur Radio Club
Glossary Appendix.

Battery Details.

Equivalents:

BR2040, CR2040, DL2040, ECR2040, E-CR2040, KCR2040, KECR2040, KL2040, L2040, L24,

Image not to scale.	Common Name.	Dimensions. Diameter × Thickness.	Chemical Composition.	Nominal Voltage.
	CR2040.	20 mm × 4 mm Contacts: Case and flat base Positive. Slightly raised area Negative.	Lithium,	3 volts.