found this awesome light kit with 3 heads, a graflite350 and a 500. It was at the san fransisco flea mrkt for 20$ I want to get her up and popping so i can use it for portraits outside. any help on how to charge these up, replace batteries?, batterery workaround replacement? thanks, this unit makes me look likle the Whiterhouse photographer from 1975- william c. fatztreeboy@yahoo.com