(EEI) engages in the development, manufacture, and commercialization of rechargeable bipolar nickel metal hydride batteries.
These batteries are used in various applications, including military communications, satellites, aircraft auxiliary power, medical, hybrid electric vehicles, cordless power tools, and electric bikes and scooters.
Its principal products include High Power NiMH Battery that is used in the 42Volt automotive and UPS applications; High Power NiMH Battery for use in utility peak shaving, frequency response, UPS, and military applications; and Aircraft Ni-Cd Battery that is used in the Bel AH-1W Super Cobra Helicopter.
The company’s customers include the department of energy, NASA, the U.
S. army, the U.
S. navy, and the U.
S. air force.
EEI was founded in 1992 by Martin Klein.
The company has its principal executive offices in Danbury, Connecticut.

