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This is a latern battery. You put other batteries in it. That's why it's called the 3R12. There are 3x R12 batteries in it. https://www.google.com/search?q=
by akira2501 2y ago
This is a latern battery. You put other batteries in it. That's why it's called the 3R12. There are 3x R12 batteries in it.
https://www.google.com/search?q=European+4.5-volt+lantern+battery https://www.google.com/search?q=European+4.5-volt+lantern+ba....
- leke 2y agoI remember seeing something like these in roadwork flashing lanterns.