3D Printed Battery That Works!
thingiverse
The video demonstrates how to construct a battery capable of powering a small LED with sufficient energy. To build this, follow the steps outlined in the accompanying YouTube tutorial: https://www.youtube.com/watch?v=wdGPC-sCg-A. Some additional notes not included in the video are as follows: Cloth, napkins, or cardboard can be substituted for grill wipes with decent results, although I found grill wipes to yield better outcomes. The zinc will oxidize and the vinegar will evaporate over time, causing the battery's functionality to diminish after a few hours. To enhance the acid strength and increase the voltage, add salt to the vinegar and stir until it dissolves completely. You do not need to utilize all nine pennies; instead, stop once you reach six volts.
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