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EnerSys is a global leader in stored energy solutions helping industrial, infrastructure and defense customers address critical power and operational needs with batteries, chargers and other power equipment. The company delivers integrated solutions that combine energy storage technologies, power electronics, software-enabled intelligence, technical expertise and comprehensive global customer support. EnerSys supports customers across communications networks, data centers, energy infrastructure, material handling, transportation, aerospace and defense — including applications where power continuity is essential. Serving customers in more than 100 countries, EnerSys helps organizations manage energy more reliably, efficiently and intelligently in complex operating environments where uptime, safety and resilience matter.

EnerSys Questions

The EnerSys annual revenue was $3.6 billion in 2026.

Shawn O'Connell is the President and CEO of EnerSys.

3,285 people are employed at EnerSys.

EnerSys is based in Reading, Pennsylvania.

The NAICS codes for EnerSys are [42, 33, 51, 518210, 4236, 423, 518, 5182, 51821, 335, 42361].

The SIC codes for EnerSys are [369, 36].

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