EnerSys is a stored energy systems and technology provider for industrial applications.

With the Alpha acquisition, EnerSys expanded its portfolio to become a fully integrated DC power and energy storage system and technology provider for broadband, telecom and energy storage systems.

[2] EnerSys produces reserve power batteries, marketed and sold principally under the Alpha, PowerSafe, DataSafe, Hawker, Genesis, ODYSSEY and CYCLON brands.

Motive power batteries are marketed and sold principally under the Hawker, NexSys, IRONCLAD, General Battery, Fiamm Motive Power, Oldham and Express brands.

Their battery products cover a broad range of sizes, configurations and electrical capabilities.