I've been thinking about picking up two of these for mobile portrait, group and wedding work. (meaning weddings, as well as sports, school, reunions, etc.)
Norman 400 Watt/Second Portable Battery Assembly Kit:
http://www.bhphotovideo.com/bnh/controller/home?A=ShowProduct&is=REG&Q=&O=&sku=419520![]()
Anyone used Norman and have anything to share? If so, how do you compare them to Lumedyne?

