Stuck with a dead flashlight and no D batteries? Discover the $7 hack that converts your kitchen drawer's AA batteries into a ...

Lithium is expensive, environmentally questionable in large volumes, and tends to catch on fire from time to time. It's the best solution we've currently got for EV and device battery storage, but ...

I have an APC Smart-UPS 3000 XL battery backup. In addition to the internal batteries, it has a connector for adding an external battery pack to it. While it's available on Newegg for WAY cheaper than ...

Hey MBC! I wasn't sure if this would be better here or in Other Hardware... it's not really computer-related so I thought maybe here was better, but I know OH has historically discussed this sort of ...

We may receive a commission on purchases made from links. We live in a time where the major power tool brands all offer a range of gadgets and devices to make our jobs and hobbies easier. One of those ...