GS Yuasa Corp. operates as a holding company which engages in the manufacture and supply of batteries, power supply systems, lighting equipment, and other specialty electrical equipment. It operates through the following segments: Domestic Automotive Batteries, Domestic Industrial Batteries and Power Supplies, Overseas Operations, Automotive Lithium-ion Batteries, and Others. The Domestic Automotive Batteries segment produces and sells lead-acid batteries for automotive. The Domestic Industrial Batteries and Power Supplies segment covers rectifiers, lead, alkali, and general batteries, and power supply systems. The Overseas Operations segment manufactures and markets batteries and power supply devices in the international market. The Automotive Lithium-ion Batteries segment handles the lithium-ion batteries for vehicles. The Others segment includes environment related equipment, mobile communication batteries, battery related equipment, battery manufacturing equipment, and applications