not to scale.
Name.
Height × Width × Length.
Click for detail
of connector
Contacts:
Sockets for pins.
Zinc Carbon.
30 - 125 mA.
Equivalents:
3, 3R20, 3R25, 4.5 Volt battery block, 736, 1538, AD28, AD28VP, Alldry 28, BB398, H1176, K786, L5043, Railway Lamp Battery,
| Image not to scale. | Common Name. | Dimensions. Height × Width × Length. | Chemical Composition. | Nominal Voltage. |
|---|---|---|---|---|
Click for detail of connector
| AD28. | 102 mm × 32 mm × 100 mm Contacts: | Alkaline, Zinc Carbon. | 4.5 volts, 30 - 125 mA. |
Can be replaced by 3×D cells in a 3 D cell holder if room in equipment, if not using 3 C cells in a holder should work as well as the original due to higher capacity batteries available these days.