Retro find - Prima A 316 batteries

Last Friday, examining the office of the blockages of the safe of the times of the USSR, found a sealed package of 4 "finger" batteries. All anything, but it was the batteries "Prima" A 316 of 08.89g release (by the way, only 2 years younger than myself). Naturally, I recognized them, I remembered how, as a kid, I asked my father to buy me more for some electronic toy. And, of course, I could not resist and took a few photos.



More photos under the cut.

The battery itself is a classic for that time design: paper label on a steel nickel-plated glass.
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Manufacturer "sirijus" ("Sirius" Lithuanian SSR). The price is 20 kopecks.



This is a manganese-zinc element with an alkaline electrolyte. But this is not nibble - a thick glass (not like the Chinese Heavy duty). That is why the element in 26 years has not decayed. A nominal capacity of 1.8 A · h was declared (when discharged to a resistance of 40 ohms) —it was very bad for that time, although the discharge current is rather small (36mA).



All 4 items were discharged.



And finally, next to the modern battery.