Apple has been rumored to be working on battery cases for its latest iPhone XR and XS models for a while, and today, seemingly out of nowhere, the company has made those cases available for purchase ...

Providing single-chip protection for 1-cell lithium-ion and lithium-polymer batteries, the AP9214L device is designed for use in rechargeable Li+ battery packs, as found in smart phones, cameras, and ...

A previously-published Design Idea outlined a polarity protection circuit that provides the correct connection of the battery to a load regardless of the battery’s orientation in its holder. The ...