Electrodes for fruit/potato batteries, conductivity, thermal experiments; extra large surface area. Great price when you buy just one; unbeatable prices on quantity.
Here are some images useful for correctly creating different types of fruit/vegetable batteries. Click on the "Technical" Tab for additional information.
We also offer optional alligator clips & wires so you can connect these electrodes in series or in parallel to LEDs, etc. A digital multimeter (voltmeter/ammeter) is recommended for testing circuits.
Click on this link for Potato Experiment for more information making copper-zinc electrode potato battery.