EnerSys to acquire Ultralife in $320 million cash deal

EnerSys announced a definitive agreement to buy Ultralife for $16.00 per share in cash, valuing the transaction at about $320 million, a 166% premium to Ultralife’s closing price. The acquisition is expected to close in the first quarter of 2027 and be accretive to adjusted diluted EPS within roughly 18 months. EnerSys projects $15‑$20 million of annual run‑rate cost synergies and will expand its defense‑power battery portfolio. Ultralife generated $191 million of revenue in fiscal 2025 and more than 700 employees will become part of EnerSys.

The deal adds defense‑grade battery capacity to EnerSys and is expected to be EPS‑accretive, which could improve the company’s earnings profile (the press release states it will be accretive within about 18 months). Ultralife shareholders will receive a cash premium of $16 per share, providing immediate value.

  • 1EnerSys will pay $16.00 per Ultralife share in cash, representing a 166% premium to the prior closing price.
  • 2The transaction values Ultralife at approximately $320 million, including debt.
  • 3Ultralife reported $191 million of revenue in fiscal 2025.
  • 4EnerSys expects $15 million to $20 million of annual run‑rate cost synergies within the first 18 months after closing.
  • 5The acquisition is expected to close in the first quarter of calendar year 2027.
  • 6Shareholders holding about 40.3% of Ultralife’s shares have indicated support for the transaction.

Sources