LR54.

Equivalents:

1138SO, 189, 189-1, 280-15, 280-24, 389, 389A, 390, 390A, 534, 554, 603, 615, 626, AG10, CX54, D189, D389, D389/390, D390, G10A, GP389, GP390, GP89A, KA54, L1131, LR1130, LR54, M, RW49, RW89, S120, SB-AU, SB-BU, SG10, SR1130, S1131E, SR1130SW, SR1130W, SR54, V10GA, V389, V390,

Image
not to scale. Common
Name. Dimensions.
Length × Diameter. Chemical Composition. Nominal Voltage.

LR54. 3.1 mm × 11.6 mm
Contacts:
Case and flat base Positive.
Raised area Negitive.
Alkaline,
Silver Oxide (Ag₂O).
1.5 volts.
1.55 volts(Ag₂O).

Image not to scale.	Common Name.	Dimensions. Length × Diameter.	Chemical Composition.	Nominal Voltage.
	LR54.	3.1 mm × 11.6 mm Contacts: Case and flat base Positive. Raised area Negitive.	Alkaline, Silver Oxide (Ag₂O).	1.5 volts. 1.55 volts(Ag₂O).

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