Battery cases must be able to add extra juice to your phone and provide damage protection. You’ll also want something that doesn’t interfere with your phone's features, like NFC or ports, nor ...

And then along comes a startup called Breathe Battery Technologies with an algorithm that promises to boost charging speeds by upward of 30 percent, all while preserving the lifespan of those cells.

One important change is a new laptop battery indicator that visualizes the charge level with new symbols. This change was actually supposed to be implemented last month, but the release was ...

Korean researchers have developed advanced Ni-rich cathodes that improve all-solid-state battery performance, offering longer lifespans and greater energy efficiency.

Amazon Basics batteries, for example, scored quite high when they were of the NiMH rechargeable variety, but their alkaline units didn't do as well. In the fashion of nonsense battery naming ...