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 ...

If something runs on batteries, you’ll find a battery meter somewhere on it. Your smartphone, your vape; even batteries themselves can tell you how close they are to dying. So why am I excited about ...

Do you remember this gimmick from the 90's? Little power meters for disposable batteries, first built into the packaging and then onto the batteries themselves, that you squeezed to see how charged ...