AA cells can be installed in a socket of larger diameter than itself, if you wrap it in several layers of paper, foam or any other available material suitable for this purpose. For example, a galvanic cell AAA can be installed in a standard socket AA.
If the length of the socket is greater than the length of a galvanic cell between their respective contacts should be inserted in a folded several times a piece of aluminum foil.
Recommend to read
GEOPHYSICAL MINIATURE
A kind of triumphant decade, one of his model rockets notes flying club syut town of Elektrostal, in the Moscow region. Created rakotomalala and model-copy geophysical rocket-5V...
AT THE DOOR BARKS… A TAPE RECORDER
In these troubled and difficult time when the crime situation every year more complicated, the important importance of watchdog and signaling device that protects property from...