If you're typically dealing with a dead phone or tablet, this charger is a life-changer.

This simple circuit can give regulated 4.7 volts for charging a mobile phone. USB outlet can give 5 volts DC at 100mA current which is sufficient for the slow charging of mobile phones. Most of the ...

Whether or not you accept Apple’s explanation for why it no longer includes a charger in the box with the iPhone 12 series, the fact remains: The only accessory that now comes with the newest phones ...

This portable USB charger offers a point of difference: it's a DIY assemble-yourself kit that runs on AA batteries. Michelle Starr is CNET's science editor, and she hopes to get you as enthralled with ...

We may receive a commission on purchases made from links. If you compare any modern laptop, like the Asus Zenbook Duo, and a smartphone, like the iPhone 16, you will find a lot of similarities in ...

If you are using the GPS, listening to some music, or just want the phone not to switch off during your long voyages, a handy automobile charger makes sure that you have your gadget's power whenever ...

At the end of June, in 2009, the European Commission started a movement to make micro-USB the standardized charging port for cellphones. It was subsequently backed by roughly 90% of the cellphone ...

New technology will let phones closely control any USB charger. Also at CES: Authentication helps block USB chargers from frying your laptop. Stephen Shankland worked at CNET from 1998 to 2024 and ...