Here is an ideal Mobile charger using 1.5 volt pen cells to charge mobile phone while traveling. Here is an ideal Mobile charger using 1.5 volt pen cells to charge mobile phone while traveling. It can ...

Chargers that are unplugged after use are less exposed to voltage spikes from the grid. “Most chargers don’t have a surge protector built in,” Nikoli explains. “What they do have is a small circuit ...

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 ...