I have a Sears deep-cycle lead-acid 12v battery already which I've only used once or twice a year for certain power applications. I was thinking of purchasing an identical model and wiring it in ...

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 ...

How a parallel-connected battery can increase the energy-storage capacity of smart glasses and their unique challenges. How parallel battery-management ICs can help maximize runtime and maintain ...