A lithium-ion battery tester seems like a simple project, at least electrically. But when you start thinking about the physical problem of dealing with a huge range of battery sizes, things get a ...

I understand alternate facts. Sometimes my iPhone’s battery meter delivers them. Fact: I have a 18-month-old Apple iPhone 6. I keep it in good shape, never dropping it, subjecting it to extreme ...

A comment in response to our coverage of the Blackmagic Video Assist complained that the battery level meter could be inaccurate. And yes, the poster has a point, but the reason this problem wasn't ...

This article presents Chroma’s Model 17011 series, a battery cell charge and discharge system developed for charge and discharge life cycle test, as well as battery characteristic analysis. It ...

Jeff is CNET Editor at Large and a host for CNET video. He's regularly featured on CBS and CBSN. He founded the site's longest-running podcast, The 404 Show, which ran for 10 years. He's currently ...

Here are some tips and FAQs on how to use your laptop’s battery properly: Do I need to fully discharge and charge the battery? In lithium-based batteries, this is, in fact, a myth; it only applies to ...