You might have heard that charging your cell phone battery and leaving it plugged in once it hits a full charge is bad for ...

However, this fact is worthy of greater explanation. At a very high level, battery charging works by pushing more electrons into the cell, raising the internal voltage. Using the stored charge ...

Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio ...