The USB (Universal Serial Bus) has been one of the most successful interfaces in the history of PCs. A USB not only transfers data between a portable device and a host PC, it also allows for power ...

Better-than-advertised capacity, strong performance and convenient charging make these batteries particularly appealing ...

In this article, I will take apart a Li-ion alternative to the classic 6F22 9V battery. This battery is a Chinese 9V/500mAh USB rechargeable Li-ion battery (sold under the brand name infinite). The ...

A 1-A USB/ac Li-ion battery charger IC, the SMB135 from Summit Microelectronics offers a combination of features that optimize operation in single-cell applications powered by the USB or other current ...

Ryobi's vast line of power tools has something for everyone. These lithium-ion powered selections add convenience and functionality to your tool box.