Common to lr43 and lr44
Because button batteries have
different model labels in different countries, the titles are different,
but the battery has the same standard. There are several common button
batteries according to their chemical composition: carbon, alkaline,
zinc-silver oxide, zinc-air, lithium-manganese dioxide, nickel-cadmium
rechargeable button batteries, nickel-metal hydride rechargeable button
batteries, etc. According to the shape, there is a distinction between
monomer and stack.