http://www.articleheaven.net en-us editorial@articlealley.com A lot of nine-volt batteries can be snapped as a group to form a series of batteries and create a higher voltage. The PP3 kind of battery is made up of 6 1.5 volt cells, connected in series. As a comparison, an treble A battery is a solitary 1.5 volt cell... http://www.articleheaven.net/fantastic-variety-of-superior-9v-batteries-2273308.html 10th June 2011