A 27-year-old engineer has powered an electric car using a homemade battery pack built out of discarded vapes.

Building a battery pack from 18650 cells traditionally requires patience, a spot welder, and a supply of nickel strip. But ...

[Editor’s note: The hacker requested that we remove the image for legal reasons, so it’s blurry now. We hope all’s well!] Lithium technology has ushered in a new era of batteries with exceptionally ...