Know that you always have a backup if your iPhone battery gets low with the best power banks as tested by our CNET tech expert. Executive Editor David Carnoy has been a leading member of CNET's ...

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 ...

Your smartphone, that trusty sidekick you rely on to stay organized and productive, is gasping for life at a perilous 15% battery ... New portable chargers can fuel everything from tiny earbuds ...

The beefiest of battery chargers, car jump starters can sit ready to inject a brief but powerful jolt of electricity into a dead battery to get an engine running again. Also known as battery boosters, ...