Dr David Brown has over 45 years working with batteries. After obtaining his first degree and PhD he spent 4 years doing postdoctoral research in Germany and France. He then moved to Lucas Research Centre, heading a large EV team, involving Ni/Zn/Cd technology. This was followed by Technical Manager for Besco batteries in Australia, then setting up Battery Energy in 1987 to manufacture industrial lead acid batteries. He has remained with the company, currently as a consultant, responsible for all technical developments, including advanced gel technology with CSIRO and setting up of production in China under licence.