The Treedix multifunction USB cable tester identifies which cables work as intended, and which belong in the recycling bin.

You can salvage lithium 18650 cells from all sorts of modern gadgets, from disposable vapes to cordless power tools. The tricky part, other than physically liberating ...

Editor’s note: This article is part of our roundup of USB-C battery packs. The simplest way to discuss electrical power is in units of volts (V), current measured in amperes or amps (A), and watts (W) ...

Abstract: At home, in the car, or plugged into a computer, USB-powered portable equipment needs a smart method for determining the appropriate amount of power to draw for both normal operation and ...