12 volt Lighting tips. You can buy 12 volt lights from Ebay with the Edison Screw in Base from 3 watts to 8 watts and these bulbs are the SMD or Super Bright LED's and a typical 12 volt bulb at 6 watts put out as much light as a standard 60 watt light bulb. With these light bulbs you can adapt a standard 110 volt AC lamp or light fixture to 12 volt and then use a 12 volt DC light bulb for tons of FREE solar powered lighting. More info at: www.iplantosurvive.info