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Mullen and Enpower Greentech Inc. Enter Partnership and Supply Agreement to Build EGI’s SWIFT Series of Semi Solid-State Batteries

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Mullen Automotive, Inc.
Mullen Automotive, Inc.


  • EGI SWIFT semi solid-state batteries (SSB) are intended for use in commercial vehicles as well as other industrial applications including drone, E-aviation, robotics, aerospace, marine two-wheelers, power tools, and medical applications.

  • Mullen has long been advancing a semi-solid-state battery solution and has worked on other initiatives with EGI for the past 18 months.

  • Mullen’s production of EGI SWIFT batteries is slated to begin early 2026. Mullen will integrate the EGI SWIFT battery into its existing SSB program in Fullerton, California.


BREA, Calif., April 09, 2025 (GLOBE NEWSWIRE) -- via IBN -- Mullen Automotive Inc. (NASDAQ: MULN) (“Mullen” or the “Company”), an energy technology and electric vehicle (“EV”) manufacturer, announces today it has signed a Partnership and Supply Agreement with Enpower Greentech Inc. (EGI), a global leader in advanced lithium-ion battery manufacturing and technology, to build and deliver its SWIFT series SSB. The Enpower EGI SWIFT SSB are intended for use in commercial vehicles as well as other industrial applications including aerospace, marine, hobby vehicles, material handling, power tools, medical and drone applications.

The agreement between the parties outlines the partnership to manufacture the SWIFT SSB modules and battery packs domestically at Mullen’s Battery Center in Fullerton, California. The Fullerton Center has three lines for the manufacture of lithium-iron-phosphate (LFP) battery modules and will continue to ramp up its engineering staff for full production and to execute this technology in early 2026.

“By partnering with EGI, Mullen continues to build its portfolio and is positioned to deliver domestically produced battery solutions, which has been Mullen’s vision since its inception,” said John Taylor, president of Commercial Vehicles and SVP Global Manufacturing at Mullen. “In addition to the benefits of semi solid-state batteries, this partnership will reduce supply chain vulnerabilities and address increased costs due to tariffs.”

Mullen’s Fullerton facility currently has three battery lines installed in support of U.S.-made battery components and manufacturing. Lines include:

  • High volume standard battery chemistry line.

  • Low volume standard chemistry R&D line.

  • Low volume solid-state polymer R&D line.

"We are excited to sign this agreement to solidify our continued relationship with Mullen in this critical growth market,” Dr. Che Yong, co-founder and CTO of EGI. “We see a great opportunity to meet new market conditions and build domestic production that will deliver significant value to customers. The synergies that exist between the two companies has evolved into understanding the full technology, and the ripple of this technology will be monumental to the industry.”