While still in school, I restored the spent battery pocket receiver rather primitive, but effective way. With pliers gently removed the graphite rod and filled the battery with water. Then waited until the water completely evaporated, put back stem — and battery-some time worked better than new.
Recommend to read
ELECTRONICS: FROM DESIGN TO FILLING
It would seem that all good pocket flashlight "Elektronika B6-03": from design to filling, including a fairly capacious battery of three disk accumulators D-0,26. But... As shown by...
USEFUL AROUND THE HOUSE: DISPLAY SHELF UNIT
Bolts, nuts, washers, cotter pins, and other small items are necessary in any household. Or, say, jars and bottles with spices, seeds, chemical reagents... It's good when all of this is...