Most often, the battery industry produces standard batteries. But sometimes, both standard and non-standard batteries are soldered with antennas at the factory. Why are they needed? Batteries with antennas are used in radio circuits. But, for example, batteries 3R12can also be used in ordinary devices such as flashlights, remote controls, and toys.
Also has a mustache tadirana battery and some battery typesThey're often found in gas meters. Replacing them is quite difficult. You have to use a soldering iron and desolder the contacts from the circuit board.
