
EGI Battery
About
EGI Battery is a U.S.-based lithium-ion cell manufacturing company head-quartered in Ann Arbor, Michigan, supplying drone, eVTOL, and robotics pro-grams across commercial and government markets.
We work directly with customers to select, qualify, and supply the right cell for each application. Production at our Michigan plant and an established global supply network let us match each program to the supply path that best fits its NDAA compliance, volume, and schedule priorities.
Products & Services:
Lithium-ion pouch cells in standard form factors, including 9.4 Ah and 35 Ah, sized for direct substitution into existing cylindrical pack designs. Application engineering support for integrators evaluating cell selection, pack layout, and duty cycle requirements. Domestic cell production at the Zeeb Campus in Ann Arbor, Michigan, beginning 2027.
From the Battery Report
Battery Report 2025 · chapterCell & Pack ManufacturingVolta Foundation's annual report on this part of the battery industry.Supply Chain Segments
Battery Chemistries
Location Info
- HQ
- Michigan, United States
Sources
Chemistry: Lithium-ion (Li-ion)
- EGI Battery - Advanced Lithium-Ion Cells Made in Michigan · Company site · checked Oct 2026“EGI Battery - Advanced Lithium-Ion Cells Made in Michigan”
Quick Facts
- Last Updated
- Oct 30, 2026



