Advanced battery Solutions.
Made in America.
Enpower Greentech, Inc. (EGI) is a U.S. battery cell manufacturer with industry leading semi-solid-state lithium-ion, lithium-metal, and silicon-rich high-performance advanced batteries. EGI batteries are proudly American-made to deliver energy and power — reliably and efficiently.
U.S. innovation Powering an electric future
Our founder was inspired by his professor and mentor, the late Dr. John B. Goodenough, to pioneer advanced energy solutions rather than accept the status quo. We continue to be guided by Dr. Goodenough’s philosophy: “Do what people need — not just what they want.”
Swift
lithium-ion
2 million cells shipped since Nov. 2023
U.S. manufacturing in Q4, 2025
Available from 9.4Ah to 70Ah
Over 20 size options and customizable
Purpose-built to deliver record-breaking energy density for drones, emobility, and advanced aerial (eVTOL) systems.
Technology Meets ReliabilitY
Fleet
lithium-metal
Record breaking 500 Wh/Kg
Prototype assembly up to 30k cells/yr.
Available from 3.5Ah to 15Ah
5 bespoke sizes and customizable
Engineered for ultra-high energy demands such as the SoftBank Group’s HAPS Mobile communications.
Kosmos
all-solid-state
3rd party validated at 300 Wh/Kg
Sulfide based next-gen safety
Lab level production
On-going R&D development
All-solid-state-battery (ASSB) solutions for mobility, storage and defense — prioritizing safety and performance.
Advanced batteries remove a primary energy-storage bottleneck as we transition to low carbon technologies.
