Highfields Amateur Radio Club
Glossary Appendix.

Battery Details.

Don't confuse with the Renata 333, which is a 2 volts Lithium cell the same size.

Do not confuse with these other batteries listed as "42":
LR42 (CX, MR & SR42); LR44 (RW42); AD42 (Alldry 42).

This battery can be difficult to find. The next closest size wise is the 339 (6.8 mm × 1.4 mm) .4 mm thicker.

Equivalents:

42, 333, DQV, SR610SW,

Image not to scale.	Common Name.	Dimensions. Diameter × Thickness.	Chemical Composition.	Nominal Voltage.
	333.	6.8 mm × 1 mm Contacts: Case and flat side Positive. Slightly raised area Negative.	Silver Oxide (Ag2O)..	1.55 volts.