Don't let a dead battery ruin your morning—keep one of these portable jump starters handy. We tested 6 of them to determine ...

They’re inexpensive and easy to use, and they help keep you safe when doing DIY electrical work. Solution: Test. Use. Verify.

Alkaline batteries can be used in a wide range of toys and tech items, and they're more affordable than lithium batteries. Check out CNET's picks of the best alkaline batteries before you stock up ...