not to scale.
Name.
Diameter × Thickness.
Contacts:
Case and flat base Positive.
Raised area Negative
(2.3 mAh).
May have solder tags fitted for application.
Equivalents:
ML421
| Image not to scale. | Common Name. | Dimensions. Diameter × Thickness. | Chemical Composition. | Nominal Voltage. |
|---|---|---|---|---|
|
| ML421. | 4.8 mm × 2.1 mm Contacts: | Manganese Lithium Rechargeable. | 3 volts (2.3 mAh). |