In the third episode of Dystopian Electronics workshop we salvage lithium ion cells from discarded vapes. Then we use one of the batteries to fix an old electric screwdriver that hasn’t worked in years.
Wikipedia article on Vapes
https://en.wikipedia.org/wiki/Electronic_cigarette
Wikipedia article on Li-ion batteries
https://en.wikipedia.org/wiki/Lithium-ion_battery
Check out my review of the battery tester I use in the video at https://www.dystopianelectronicsworkshop.com/2022/06/07/zts-inc-mbt-1-multi-battery-tester/
The current inventory can be found at https://www.dystopianelectronicsworkshop.com/inventory/