Press Information

MHI to Sell Lithium-ion Rechargeable Battery Business Assets, Including Machinery, to Delta Electronics of Taiwan
-- Management Resources to be Shifted to Energy Storage System Products --


Tokyo, April 18, 2014 - Mitsubishi Heavy Industries, Ltd. (MHI) has concluded an agreement with Delta Electronics, Inc., a leading manufacturer of electronic devices in Taiwan, under which MHI will sell Delta its business assets, including machinery, in lithium-ion rechargeable batteries. As a result MHI will shift its management resources into operations in energy storage system (ESS) products employing lithium-ion rechargeable batteries.

Delta Electronics is the core enterprise of the Taiwan-based Delta Group. The company undertakes operations encompassing a diverse lineup of electronic products including power and thermal management solutions, and as an enterprise of global scale it has approximately 200 facilities worldwide including production, sales and R&D functions.

ESS products today are expected to record sustained market growth ahead as core devices for achieving power network stabilization in tandem with the introduction of wind power, solar power and other renewable energies, and for adjusting power supply vis-à-vis demand in order to save energy.

The lithium-ion rechargeable batteries developed by MHI are light in weight, compact in size and high in reliability. The company boasts an abundant track record in this field, its batteries being widely used in diverse products ranging from electric buses to ESS products, including container-based systems. Following the sale, MHI will focus on expanding the market for ESS products.

Leveraging the new agreement, going forward MHI and Delta Electronics also plan to join forces in pursuing further development of the lithium-ion rechargeable battery business, including ESS products. At the same time, MHI will continue to work toward the realization of an ever more energy-efficient, low-carbon society through expanded adoption of stationary large-capacity ESS's, electric buses, etc.

About Delta Electronics, Inc.
The company founded in 1971, is the global leader in power and thermal management solutions, as well as a major source for industrial automation, data center, ICT components, displays and networks. As an energy-saving solutions provider, Delta's businesses encompass power electronics, energy management and smart green life. Delta is as an enterprise of global scale with approximately 200 facilities worldwide including production, sales and R&D functions.

About MHI Group

Mitsubishi Heavy Industries (MHI) Group is one of the world’s leading industrial groups, spanning energy, smart infrastructure, industrial machinery, aerospace and defense. MHI Group combines cutting-edge technology with deep experience to deliver innovative, integrated solutions that help to realize a carbon neutral world, improve the quality of life and ensure a safer world. For more information, please visit or follow our insights and stories on