This is a safe, “flea power” battery; each cell can generate only a few milliamperes of draw current. I used Colgate Total toothpaste with it’s 0.24% sodium fluoride content. The experiment will run only as long as the voltage lights the LED or is obviously failing. I have ~ zero chemistry experience and have very little electronic experience. This is only total rank amateur curiosity. NOTE: This experiment actually use’s 4 cells which with conventional batteries; should have voltage destroyed the LED (no resistor used), but it did not; which is a mystery unto itself. After adding the fourth cell, with a brief (~2 second) light increase, the total load voltage only increased 2 tens of a volt; which is not understood. The battery and LED seem to self regulate the voltage. The video consists of still photo’s and video footage. The LED bulb is a very low current draw unit. The LED specific’s are unknown, as it was salvaged from a Brinkmann waterproof GO LED lights sold (only online) by Target for $5.99 plus postage/handling, and at a higher price by other sellers. The LED and resistor can be salvaged with only bent leads. Their is 4 LED units and resistors in each package. Model 809-3054-1. The model # they sell now; may ~ be different? Current draw initially was only about .4 of one milliampere at 2.63 volts. The structural magnesium (-) used is believed to be AZ61A alloy, with a 97% purity of magnesium. The copper foil (+) is hobby shop copper foil; and probably ~ 99% pure …
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