not to scale.
Name.
Length × Diameter.
(10.8 volts for original Mercury types).
From the IEC name one would suppose that this battery is a stack of 8 × LR50 or PX1 but I can find no further references at this time.
Equivalents:
8LR50, 8NR50, 138, A138, E138, EN138A, EXP138, H-P8, HM-8P, PC138A, TR138, TR138R, V138PX,
| Image not to scale. | Common Name. | Dimensions. Length × Diameter. | Chemical Composition. | Nominal Voltage. |
|---|---|---|---|---|
|
| 138. | No data available. | No longer in general production, small companies make an Alkaline replacement. | 12 volts, (10.8 volts for original Mercury types). |