Highfields Amateur Radio Club
Glossary of Radio Terms.

Appendix:
Battery Details.

If impossible to find you could use 2 × PP3 in parallel. They would not last as long but would power the equipment.

Equivalents:

Image not to scale.	Common Name.	Dimensions. Height × Width × Length.	Chemical Composition.	Nominal Voltage.
	PP6.	69.9 mm (without snaps) × 35 mm × 34.5 mm Contacts: Small snaps.	Carbon Zinc, Alkaline.	9 volts.