Samsung SDI Co. Ltd. (KRX:006400), the world’s largest provider of Lithium-ion batteries, unveils a new energy storage system (ESS) called ‘Mega E’ at Solar Power International (SPI) 2015 in Anaheim, Calif, from September 15 to 17. Mega E is a high energy megawatt platform, functioning as a commercial ESS for large buildings, factories, and industrial parks.…