For years, I have been saving dead batteries in a cardboard box. I did not want to throw the dead batteries in the trash, which then would go into the earth with some toxic waste. I learned how to recycle the batteries and it was much easier than I expected. I share the results with you.
Posts tagged ‘batteries’
My USB adapter quit working. I opened it up to see what the circuit looks like and determine what caused it to fail.
Also shown: Charging a cell phone with a wind turbine.
This is a public record of my personal battery tests. I welcome your input and ideas. So far, I am having some luck with reviving batteries by surging and freezing.
How to change the batteries on Spykee, the robot.
This little girl says the funniest things.
From the summer of 2008 when I started to get serious about solar panels.
Made a quick rocket stove with bricks. Put a Peltier cooler on the back and got a fire going. Measured the current, volts, and watts produced from a single Peltier cooler. A cooling fan and aluminum heatsink with a 12V portable battery helped.
Video of experiment…
A 12V battery is getting low and needs some wind to charge up. The wind turbine outside faithfully stands watch high above the ground, waiting for a chance to spin in the wind.
Review of a 12V splitter. This is also called a 3-way cigarette lighter adapter .
This adapter plugs into a single 12V battery outlet and splits it into three outlets. Could be used to power three gadgets from your car or from wherever else you have a 12V outlet. I have one in my house for off-the-grid backup power.
Make Your Own Air Battery
Acid can release electricity from metal. What is an easy-to-find source of acid? Tomatoes!
The video above shows how an LED and a buzzer are powered by a tomato battery. My homemade battery was made from two different metals dipped into mashed tomatoes. This setup had low power output, but it was also able to help charge a AAA rechargeable battery.
How does this work?
Charging a Cub Cadet lawnmower 12V battery with a solar panel and Sunsei charge controller.