Looking to get just the right ballast for your CFL plug-in lamp? Don't worry, Bulbs.com has what you need. We carry one of the widest selections of compact fluorescent ballasts on the market. From 120 to 277 volts and 4 to 70 watts, our ballast selection has you covered for any 2-pin or 4-pin configuration. Our CFL ballasts can support 2, 3 or 4 lamps, depending on your need.