In this short instructable we will create a battery holder which also acts as a switch. It is portable, lightweight and uses no special techniques to create. The design is generic i.e. you may use any size syringe and combination of cells to create you battery. Say you want to have 12V then just tape together 8 x 1.5V button cells and fit them inside the syringe.
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Signing UpStep 1: Materials required
The cell with the voltage you need.
A suitable syringe (discarded or brand new, big enough in diameter to fit the battery you need to use or have constructed.
Electrical wire (Thin enough to fit two strands through the front opening of the syringe).
2 x nuts to fit into the syringe. These will be used as contacts.
Glue gun, scissors, wire stripper.
A suitable syringe (discarded or brand new, big enough in diameter to fit the battery you need to use or have constructed.
Electrical wire (Thin enough to fit two strands through the front opening of the syringe).
2 x nuts to fit into the syringe. These will be used as contacts.
Glue gun, scissors, wire stripper.
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Nice! and useful just when I needed it !
In some syringes, if you pop the rubber seal off the plunger entirely, the right size nut might just screw right on to the mounting "stud" left behind...