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 ...

The 9Volt puts those extra 9-Volt batteries to use, in something other than your smoke detector, as an environmentally friendly LED light who’s ambiance represents that of nice candlelight.

An LED indicates the output active, and another switch disconnects the battery from the circuit. Yes, it’s very simple and very useful, confounding everyone who is wondering why this project ...

The transistor then switches on a second BC547, which lights an LED. The whole circuit is built on top of a battery clip so it can be run straight from the top of a standard 9 volt battery.

Building a portable lamp with a 9V battery and LED bulb is a simple, creative DIY project that anyone can try. This video provides clear, step-by-step instructions for assembling a functional lamp ...

The interesting thing that the CatEye Volt series of lights offers is cartridge batteries, so that you can either buy spares or buy a replacement should you use your light beyond the life of the ...

Gary Smith founded his Scottsdale-based lighting company in 2012 and has expanded from cabinets to putting LED lighting throughout customers' homes.

Plan V could get you out of such a fix, as it's a small and light keyring-based device that can be used to charge your smartphone from a 9-volt battery.

Duracell, a manufacturer of 9-volt batteries, and the National Electrical Manufacturers Association, a trade group that represents battery makers, provided these tips: 1.