Few components in portable system design have as pervasive an impact on the user’s experience with the product as the power source and the system used to charge it. The length of time the battery ...

Fast charging has become a must-have feature in today’s phones. It keeps our batteries topped up throughout a busy day and has us back in action in mere minutes. However, there are a variety of ...

Today, portable applications have many unique battery requirements. They require a high-energy density to provide unlimited power (both transient and continuous). They need to be lightweight with ...

For the PDF version of this article, click here. Far too often, the battery-charging system is given low priority, especially in cost-sensitive applications. However, the quality of the charging ...

The most significant limitation for mobile devices is power. Engineers keep finding ways to cram more transistors into chips, but batteries have hit a brick wall of physics, forcing hardware makers ...

Over the past few years, there has been significant development with respect to batteries for devices. Furthermore, fast charging is another aspect of battery technology that has seen significant ...

With mobile battery capacity still left in the dark ages, developers have had to come up with new ways to keep our smartphone batteries topped up. Quick charging is proving the most promising, ...

Scientists have designed an ultracapacitor that maintains a near steady voltage. The novel constant-voltage design may one day help ultracapacitors find new uses in low-voltage electric vehicle ...