Highfields Amateur Radio Club
Glossary Appendix.

Battery Details.

Commonly used in pet collars and microphones. Replacement for the now discontinued mercury batteries: 5H-C, 5MR44, 5NR44, HM-5C.

Typical construction is 5 × LR44 stacked and heatshrink covered.

Equivalents:

5H-C, 5LR44, 5MR44, 5NR44, 175, 1501, 1501A, 1501M, A175, AL175, E175, EN175, ENA175, EP175, HM5C, MN175, MN175A, MN175B, PC175, PC175A, S175, T175, TR175, TR175A, TR175S,

Image not to scale.	Common Name.	Dimensions. Length × Diameter.	Chemical Composition.	Nominal Voltage.
	A175.	27.8 mm × 12.6 mm Contacts: Raised area Positive. Flat Negative on opposite end.	Alkaline.	7.5 volts, (6.75 volts for original Mercury types).