not to scale.
Name.
Length × Width × Height.
Contacts: 2 brass spring strips:
Positive contact 19 × 6 mm.
Negative contact 30 × 6 mm.
Zinc Chloride (Heavy Duty).
These can be difficult to find, however Westfalia, here in the UK, sell an adaptor case (Item No. 430033) that takes 3 × AA batteries, converting them to the size, shape and contacts of the 3LR12. Ideal for rechargeables too.
Equivalents:
3B, 3LR12, 3R12, 3R12G, 3R12R, 3R12TR, 4.5 Volt, 201, 706, 1041, 1203, 1289, 3336, 4012, 4192, BA 6108, LR12, GP7, GP312, MN1203, Pocketable Battery, V1289,
| Image not to scale. | Common Name. | Dimensions. Length × Width × Height. | Chemical Composition. | Nominal Voltage. |
|---|---|---|---|---|
|
| 4.5 Volt. | 67 mm × 22 mm × 62 mm Contacts: 2 brass spring strips: | Carbon Zinc (Standard) Zinc Chloride (Heavy Duty). | 4.5 volts. |