Have a hard time finding a use for the other 9 volt battery you got in that 2-pack? Look no further that Richard Lawson’s charming DIY LED light: 9Vo(l)tive. Just stick one of these suckers on a 9 ...

One of our favorite finds from this year’s ICFF is Mark McKenna’s collection of pocket-size do-It-yourself designer battery lights. We’ve seen 9-volt batteries acting as light sources before, as in ...

When the power cuts out, you need light that comes on instantly and predictably, not a scramble for flashlights and a maze of ...

Are you looking to add some more light to your home or office without going through the hassle of installing new light fixtures? Then battery-powered LED lights are perfect for you. These lights are ...

Learn how to create a reliable 12V battery backup circuit for routers, LED lights, or small electronics. This step-by-step tutorial is perfect for DIY electronics enthusiasts and beginners alike.

I’ve also treated the topic of LED illumination more conceptually; take, for example, this piece from more than seven years ago that analyzed LED and CFL light bulbs as potential successors to ...