EnerSys’s portfolio includes Thin Plate Pure Lead (TPPL) batteries for high energy density and cycling life, NexSys iON lithium-ion batteries with integrated Battery Management Systems (BMS) for fast recharge and extended run times, Water Less tubular vented batteries requiring minimal maintenance, and maintenance-free Absorbent Glass Mat (AGM) batteries produced via proprietary manufacturing processes.
Currently, lithium-ion battery systems sold by EnerSys are assembled with cells made by third-party producers, but this will change as the new factory ramps up. Your portfolio includes: Thin Plate Pure Lead (TPPL) batteries; NexSys iON lithium-ion batteries with BMS; Water Less industrial tubular vented batteries; Absorbent Glass Mat (AGM) batteries; features include high energy density, extended cycle life, fast recharge, minimal maintenance, and stable power delivery.
EnerSys is a long-established manufacturer of lead-acid battery cells, including Thin Plate Pure Lead (TPPL) and flooded lead-acid batteries, produced in several facilities globally. The company intends to build a 500,000 ft² lithium-ion cell gigafactory in Greenville, South Carolina, with 4–5 GWh annual capacity, shifting from assembling to manufacturing its own cells. Construction begins in 2025, with production by 2027/2028. The company received a $199 million DOE grant, was named one of Newsweek’s Most Responsible Companies, a 2025 Military Friendly Employer, and earned the German ESG Transparency Award.
Major institutional investors in EnerSys (NYSE: ENS) include BlackRock Inc. (5.0%), Vanguard Total Stock Market Index Fund (4.2%), Vanguard Small-Cap Index Fund (4.1%), and Capital World Investors (4.0%). Overall, institutional ownership of EnerSys is very high, comprising approximately 94.9% to 97.1% of outstanding shares. Other significant institutional stakeholders include State Street Corp and Dimensional Fund Advisors LP.
