these are cheap, reusable, and eco and digestive friendly materials. and shocking.
the worthyness of fruit
Step 2: Making the battery
now, insert the zinc and copper rods into thy fruit. The bars cannot touch.
the tomatoe gave about .28 volts, a weak voltage compared to the banana, which gives .8 volts.
Step 3: Increasing voltage
now, to increase your voltage, simply get more fruit and bars. Hook the + contact of one fruit to the - of another, but never the same fruit. if you hook the contacts together from the same fruit, it will make it cook itself.