OPTIMA Battery > OPTIMA (JCI) > OPTIMA Battery Cornes AG is the official importer of OPTIMA battery, in Japan. Initial challenge was to develop the energy source device to run the vehicle on the moon surface. What was required was a compact but more-powerful-tan-ever, performance-guaranteed battery that functions properly even under the severest condition. After the research and development, SPIRALCELL TECHNOLOGY was invented and it became the foundation of OPTIMA Battery.  More ...>> Copyright (c) 2003 Cornes AG. All rights reserved.