![]() Toyota Battery Toyota Battery (トヨタバッテリー株式会社, formerly known as Primearth EV Energy, プライムアースEVエナジー株式会社) is a company that develops, manufactures, and sells batteries and battery management systems. | ![]() Hubei Zhongyi Technology Hubei Zhongyi Technology (湖北中一科技股份有限) is a company that produces and sells electrolytic copper foil series products. | |||
Founding Date | Founding Date 1887 | Founding Date 1996 | Founding Date 2007 | Founding Date 1984 |
Type | Type Private | Type Subsidiary | Type Public | Type Subsidiary |
Tags | ||||
Locations | Locations Ellwangen (Jagst), DE HQ Ellwangen (Jagst), DE | Locations Kosai, JP HQ Kosai, JP Taiwa, JP | Locations Xiao Gan Shi, CN HQ | Locations Chennai, IN HQ |
Employees | Employees 1,050 | Employees 4,947 | Employees 1,458 | Employees 952 |
Financial | ||||
Revenue (est.) | Revenue (est.) N/A | Revenue (est.) ¥243.9b (Y, 2022) | Revenue (est.) ¥5.8b (FY, 2025) | Revenue (est.) N/A |
Net income | Net income N/A | Net income ¥16.8b (Y, 2022) | Net income ¥65.3m (FY, 2025) | Net income N/A |

Toyota Battery (トヨタバッテリー株式会社, formerly known as Primearth EV Energy, プライムアースEVエナジー株式会社) is a company that develops, manufactures, and sells batteries and battery management systems.
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Hubei Zhongyi Technology (湖北中一科技股份有限) is a company that produces and sells electrolytic copper foil series products.
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