A hefty portable power bank is a handy thing to DIY, but one needs to get their hands on a number of matching lithium-ion cells to make it happen. [Chris Doel] points out an easy solution: salvage ...

Wesley Chang is an assistant professor of mechanical engineering and mechanics at Drexel University. Rechargeable batteries are great for storing energy and powering electronics from smartphones to ...

Storing your RV for the winter shouldn't be too complicated. However, it is important that you take the proper steps to ...

We may receive a commission on purchases made from links. In a world full of electronics, batteries have become an indispensable part of our day-to-day lives. From fitness trackers like Fitbit to ...