Which metal is commonly used in rechargeable batteries for smartphones and laptops?

Lithium

What animal is Shrek in the animated movie series? What vegetable gives Popeye his strength? The Great Smoky Mountains are primarily in which U.S. state? In Colombia, what illuminated decoration is commonly displayed in homes and streets during Christmas? Which amendment guarantees U.S. citizens freedom of speech, religion, press, assembly, and petition?