5LR52.

Replacement for the now discontinued mercury batteries: 1506M, 165, 5NR52, E165, HM-5N, TR-165, V165, V165PX. Made from a stack of four LR52 cells. The voltage is slightly higher because of the different chemical composition.

Equivalents:

1500A, 1506M, 165, 5LR52, 5MR52, 5NR52, A165, E165, EN165A, HM-5N, PC165A, TR-165, TR165A, TR-165A, TR165R, V165, V165PX,

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

A175. 56 mm × 17.1 mm
Contacts:
Raised area Positive.
Flat Negitive on opposite end.
Alkaline. 7.5 volts,
(6.75 volts for original Mercury types).

Image not to scale.	Common Name.	Dimensions. Length × Diameter.	Chemical Composition.	Nominal Voltage.
	A175.	56 mm × 17.1 mm Contacts: Raised area Positive. Flat Negitive on opposite end.	Alkaline.	7.5 volts, (6.75 volts for original Mercury types).

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