Ultralife 

Ultralife Corp provides products and services ranging from power solutions to communications and electronics systems to customers across the globe in the government and defense, medical, safety and security, energy, and industrial sectors. The company also designs, manufactures, installs, and maintains power and communications systems including rechargeable and non-rechargeable batteries, charging systems, communications and electronics systems and accessories, and custom-engineered systems. The company's segments include Battery and Energy Products, and Communications Systems. It generates maximum revenue from the Battery and Energy Products segment, and from the U.S. The Battery & Energy Products segment includes Lithium 9-volt, cylindrical, and various other non-rechargeable batteries.