EPSILOR - UNMATCHED ENERGY FOR EVERY DOMAIN
Smart Li-Ion batteries, charging systems, and wearable power solutions for the world’s most demanding military, aerospace, naval, and underwater mission-critical applications. 40 years of proven performance. Land. Sea. Air. Space.
YEARS OF DEFENSE INNOVATION
COUNTRIES DEPLOYED
PERSONNEL, 40+ Engineers
US Army Greatest Innovation Awards
NATO
6T / BB-2590 / STANAG
Featured Products
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Product Categories
Tactical Batteries & Chargers
Over 300 standard and custom battery configurations spanning the full spectrum of electrical energy storage for soldiers and platforms
Military Vehicle Batteries
Smart lithium batteries purpose-built for military vehicles and autonomous platforms.
Batteries for UAS & Loitering MunitionS
Batteries and energy storage systems for unmanned aerial vehicles and loitering munitions
Marine & Underwater Batteries
Electrical energy storage systems powering manned and unmanned surface and subsea platforms, from electric RHIBs and covert operations vessels to AUVs, swimmer delivery vehicles (SDVs), torpedoes, and sonobuoys.
Batteries for Missiles and Projectiles
Missile and projectile systems require compact energy solutions capable of delivering high energy and power instantly, even after years of storage, while operating under extreme temperatures, high acceleration, and tough electromagnetic conditions.
Batteries for LEO, Nano and Cube Satellites
EFA develops and manufactures advanced battery solutions for satellites, from compact CubeSats to LEO platforms, combining proven space performance with cost-effective New Space design.
YEARS OF DEFENSE TECH INNOVATION
Who We Are
WORLD-RECOGNIZED COMBAT-PROVEN
Epsilor is a world-recognized developer and manufacturer of smart batteries, charging systems, propulsion, and wearable power solutions for defense, aerospace, marine, and industrial applications. With more than four decades of experience, Epsilor delivers cutting-edge electrochemical solutions and sophisticated Battery Management Systems across a wide range of chemistries – from Li-Ion and LFP to Li-CFx and Ag-zn.
Operating from R&D and manufacturing facilities in Beit Shemesh and Dimona, Israel, and through its US sister company Electric Fuel America in Mesa, AZ, Epsilor supports dozens of government agencies, militaries, and large international corporations worldwide. Epsilor is a fully owned subsidiary and the Energy Solutions Division of IGNIUM.
YEARS OF DEFENSE INNOVATION
News & EVENTS
MAY 1, 2026
IGNIUM founds new battery and charger manufacturer for defense and high reliability applications. The new company, Electric Fuel America, will present its portfolio at Xponential 2026, in Detroit, MI.
MAY 7, 2026
Electric Fuel America introduces groundbreaking battery technology for UAS and loitering munition, with 550Wh/kg energy density. The newly established US based manufacturer will present its product line at Xponential 2026, in Detroit, MI
Ready to spec your next program?
We support RFIs, RFQs, and custom development programs. Standard products available from stock. Download the Product Specification Questionnaire or reach our engineering team directly.
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