not to scale.
Name.
Diameter × Thickness.
Contacts:
Case and flat base Positive.
Raised area Negative
Silver Oxide (Ag2O).
(20 mAh).
1.55 volts
(24 mAh)
(Ag2O).
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.
Equivalents:
080-D22, 080-D32, 19, 23, 29, 46, 161, 280-23, 280-29, 280-53, 361, 361-1, 362, 362-1, 423, 532, 554, 601, 1158SO, 1173SO, 28023, 28029, 28053, AG11, CX58, CX721, D1M, D1U, D361, D361/362, D362, E361, E362, G11, G11A, GP62, GP362, GS11, LR58, R362/12, RW310, RW410, S, S23, S721, S721E, SA721SW, SB-AK, SB-AK/DK, SB-BK, SB-BK/EK, SB-DK, SB-EK, SG11, SP361, SP362, SR58, SR58H, SR58L, SR72C, SR720W, SR721, SR721SW, SR721W, TR721W, V361, V362, V532, W1U, X,
| Image not to scale. | Common Name. | Dimensions. Diameter × Thickness. | Chemical Composition. | Nominal Voltage. |
|---|---|---|---|---|
|
| LR58. | 7.9 mm × 2.1 mm Contacts: | Alkaline, Silver Oxide (Ag2O). | 1.5 volts (20 mAh). 1.55 volts |