Highfields Amateur Radio Club
Glossary Appendix.
copyright date

Battery Details.

The differences between LR and SR cells:

LR cells are Alkaline Manganese based and have a lower energy density or capacity and are 1.5volts.
SR cells are Silver Oxide based, have a higher energy density or capacity and are 1.55volts.
See the Notes page for more info.

Do not confuse with these other batteries listed as "33"
341 (33); AD33 (Alldry 33).


11, 17, 27, 126, 180, 280-17, 380, 394, 394-1, 524, 625, 936A, 1161SO, 28017, AG9, CX45, CX936, D380, D380/394, D394, E380, E394, G9, G9A, GP94, GP394, GS9, L936, LA, LR45, LR936, R394/15, RW33, S33, S936, SB-A4, SG9, SP380, SP394, SR45, SR45H, SR936, SR936SW, SR936W, V380, V394, V524,

not to scale.
Diameter × Thickness.
Chemical Composition. Nominal Voltage.
battery LR45. 9.5 mm × 3.6 mm

Case and flat side Positive.
Slightly raised area Negative.


Silver Oxide (Ag2O).

1.5 volts,

1.55 volts
(78 mAh)(Ag2O).

Back to Equivalents page.