If you look in Radio Control Car action 2008 buyers' guide there's a section on the ultimate rc workbench that has a little article on power distribution, they said for instructions on making your own so you can charge multiple battery's at the same time look in the June 2007 issue or visit rccaraction.com. Well I couldn't find it on their site... : ) But I do know what you mean, but the guy that wrote that article figured something out..