http://selfsustainablelife.com/
This fun diy project can take a few ordinary pennies and some household items and turn them into a battery that can power an led light for several days or even weeks.
You can do 3-stacks which should produce over 2 volts, and be enough to power a calculator; or 10-stacks which should produce around 6 Volts, and is enough to power an LED for over 2 weeks. Same materials are needed whatever you choose.
– Pennies
– Cardboard
– Zinc Washers
– Electrical Tape
– White Vinegar
– Multi-Meter(optional)
– LED’s or Small Calculator – (To Test With)
Watch the video below for the how to:
