Sunday Morning Showdown ✓ Today we put the retro Seiko Rotocall up against the modern Casio G-Shock in steel ✓ Vote for your pick here! ✓ ...

Phone battery life has always been important, but which brands consistently offer the longest battery life? After extensive testing, we've found the two leaders.

What's the difference between amperes and watts, and what does voltage have to do with them? Here's how you can tell which ...