4LR61.

Do not confuse with the "J" size button cell.

Equivalents:

1412A, 1412AP, 539, 867, 4018, 4AM6, 4LR61, 7K67, EN539, J, KJ, GP1412AP

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

J. 35.6 mm × 9.2 mm × 48.3 mm with a chamfered corner for location.
Contacts:
Positive on the chamfer.
Negitive on the short side away from chamfer.
Both contacts are recessed for pins in the equipment to connect.
Alkaline. 6 volts.

Image not to scale.	Common Name.	Dimensions. Height × Width × Length.	Chemical Composition.	Nominal Voltage.
	J.	35.6 mm × 9.2 mm × 48.3 mm with a chamfered corner for location. Contacts: Positive on the chamfer. Negitive on the short side away from chamfer. Both contacts are recessed for pins in the equipment to connect.	Alkaline.	6 volts.

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