Parallel battery-management ICs provide new ways to stretch out the limited runtime of smart glasses and AR/VR goggles.

For those willing to put some elbow grease into it, there is an almost unlimited supply of 18650 lithium ion batteries around for cheap (or free) just waiting to be put into a battery pack of some ...

At some point, the 3.6 V of a single lithium ion battery just won’t do, and you’ll absolutely want to stack LiIon cells in series. When you need high power, you’ve either got to increase voltage or ...

The Professor explains how to diy connect off brand solar panels, bypass controllers, and modify suitcase kits using series ...