“COAT” FOR BATTERIES

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

  • ANOTHER PULLERANOTHER PULLER
    There are many tools for implementing, in General, simple everyday transactions - the separation of the Apple from the branch and transfer it to the trash. We offer our readers another...
  • “ELECTRONIC” CULTIVATOR“ELECTRONIC” CULTIVATOR
    The idea of creating a mechanical assistant for garden cultivation came to me a long time ago. I looked through relevant issues of the “Modelist-Constructor” magazine with descriptions of...