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EnerSys® Announces $75M Contract with U.S. Navy for Thin Plate Pure Lead (TPPL) Batteries

Aug 02, 2018 • by EnerSys

READING, Pennsylvania – EnerSys® (NYSE: ENS), the global leader in stored energy solutions for industrial applications, has recently been selected to supply its proprietary Thin Plate Pure Lead (TPPL) batteries to the United States Navy as main storage batteries on all four classes of nuclear submarines. The contract has a maximum value of $74.9M over its multi-year duration. 

EnerSys has been the supplier of its TPPL batteries to the United States Navy for over ten years. This recent production contract is a continuation of a long-term supplier relationship.

“The critical nature of this energy storage application cannot be overstated, and our entire EnerSys team is proud to have the United States Navy extend our production relationship through this new contract award,” said David M. Shaffer, President and Chief Executive Officer at EnerSys. Jeffery Long, President Americas at EnerSys added, “As the only supplier of TPPL submarine batteries to the United States Navy, we are excited to continue the advancement of our proprietary technology to meet the needs of this very demanding application. In addition to TPPL products, EnerSys advanced lithium cobalt and proprietary lithium ion-chemistries are truly ‘Powering Submarines to Satellites’ every day.”

For more information on EnerSys and its full line of products, systems and support, visit

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