First Contact

  • Eric Silver (Contact for Service)

    330-790-5848 (Between 9AM-7PMEST)

    As electrochemist and lab engineer, the mind behind the multiple first-of-its-kind products being commercialized at Pendulum.

    eric@penbatt.com (Anytime, day or night).

  • Matthew Groll

    Versatile ex-NASA engineer and thermodynamics expert with experience in EV batteries and thermal management design.

    matthew@penbatt.com