Duracell’s new myGrid mobile USB charger is a great little device for anyone looking to juice up anything powered by a USB connection. It’s capable of storing enough juice to provide smartphones with ...

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 ...

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 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 ...

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 ...

Many drivers use their smartphones for things like navigation and music playback on the road, and when combined with all the other day-to-day activities, those batteries can drain fast. Having a phone ...

This is a simple circuit diagram of USB Mobile phone charger circuit which is more useful to charge your cell phone even when you are in travel. Now the charging of your mobiles has been made easy ...