Company Info

EnerSys® is the largest industrial battery manufacturer in the world, operating manufacturing and assembly facilities worldwide for customers in over 100 countries. Worldwide and Americas headquarters are located in Reading, Pennsylvania, USA with regional headquarters in Zug, Switzerland and Singapore.

EnerSys is uniquely positioned to provide expertise in designing, building, installing and maintaining a comprehensive stored energy solution for industrial applications throughout the world. The company's products and services are focused on three primary markets:

  • Motive Power
  • Energy Systems
  • Specialty

Motive Power applications include OEM and aftermarket applications in material handling (e.g. forklifts), railway and mining markets. Energy Systems applications include broadband and telecommunications, uninterruptible power supply (UPS), power electronics, security, portable power, switchgear/utility, medical, outdoor enclosures and sports and leisure.  Specialty consists of our transportation and aerospace and defense units.  Transportation provides vehicle engine starting batteries and accessories for the premium segments of the truck and passenger vehicle markets.  Our products include batteries, chargers, enclosures, power electronics as well as service and accessories.

EnerSys maintains its leadership position in these markets by providing customers with world-class products and services, achieved through total employee involvement, teamwork, and supplier partnerships. Exceeding our customers' expectations and supplying the highest quality products and services are paramount at EnerSys. This belief is the foundation that helps shape the company's vision for progress and allows our customers to achieve their goals.

EnerSys and its predecessor companies have been manufacturers of industrial batteries for over 125 years. The current company was formed in late 2000 to acquire from Yuasa Corporation (Japan) its reserve power and motive power battery businesses in North and South America.  In March 2002, we acquired the Energy Storage Group of Invensys plc. We have made over 30 acquisitions since our formation, including the most recent acquisitions of NorthStar Batteries and the Alpha Group of companies in the power electronics markets.

Today, our batteries are marketed and sold principally under the PowerSafeDataSafeHawkerGenesisOdysseyCyclon, IRONCLADGeneral BatteryFiamm Motive PowerOldhamExpress and NexSys brands.