Highfields Amateur Radio Club
Glossary Appendix.

Battery Details.

Do not confuse with these other batteries listed as "39":
341 (39); LR54 (RW39); AD39 (Alldry 39).

Do not confuse this "RW329" with the 329 (D329) which is a different size.

Equivalents:

37, 39, 43, 77, 177, 280-39, 280-101, 376, 377, 377-1, 377A, 565, 606, 606A, 619, 1176A, 1176SO, 1196SO, AG4, BA, CX66, CX626, D2V, D376, D377, E376, E377, E377CA, G4, G4A, GP77, GP377, GS4, L626, LR626, LR66, MA, R377/77, RW329, S626, SB-AW, SG4, SP377, SR66, SR626, SR626SW, SR626W, V377,

Image not to scale.	Common Name.	Dimensions. Diameter × Thickness.	Chemical Composition.	Nominal Voltage.
	LR66.	6.8 mm × 2.6 mm Contacts: Case and flat side Positive. Slightly raised area Negative.	Alkaline, Silver Oxide (Ag2O).	1.5 volts. 1.55 volts(Ag2O).