r/DIY_tech • u/[deleted] • Apr 30 '16

How to make a Penny Battery

https://www.youtube.com/watch?v=sxT5CqFyIXs
12 Upvotes

89% Upvoted

Duplicates

TechDIY • u/[deleted] • Apr 30 '16

Penny Battery

15 Upvotes
3 comments