“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

  • “FAST” SUPPORTS“FAST” SUPPORTS
    Transformable supports for currants, gooseberries, and other shrubs can be easily made from steel wire with a diameter of 5—8 mm ("rod wire") and available materials like poles. And with...
  • Using a fire extinguisher against pestsUsing a fire extinguisher against pests
    There are many different tools, devices, and pieces of equipment whose value is determined primarily by their practical purpose, while their appearance and technical aesthetics are of...