EVEREADY E233
used in some 1950's transistor radios
Substitute this 4.2 volt mercury energizer


Unfortunately, this battery is no longer in production but if you are capably of a little soldering, here's how you can bring your radio that needs this battery back to life.

All it takes is 3 AAA batteries wired in series and bundled together (like shown in the images below) then solder to the appropriate terminals.

 


3 AAA cells & a piece of heat shrink tubing.


form them together in a triad


Then solder in series solder on lead wires. Use liquid tape to insulate the ends after soldering


Be sure and determine the proper polarity before soldering.

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