Navitas Systems, LLChas been structured around design, development, and manufacture of energy enabled system solutions and energy storage products for commercial, industrial, and government agency customers. To launch thefirm, the principals - a husband and wife team - took their two earlier startups IMicroSun Innovative Energy Storage Solutions, and MicroSun Electronics and combined them with the acquisition of lithium battery company A123 SystemsÂ’ Government Solutions Group to form Navitas Systems they had acquired early 2012 with its core technology for production of Nanophosphate lithium ion battery to continue battery development for various applications. Navitas offered a variety of battery chemistries, energy management systems, and engineering services to optimize a cost-effective, long lasting, and high performance solution for military product, medical application, or a renewable energy systems. The firm's products ranged from customized energy storage solutions for high power applications and custom renewable energy integration systems, to standard products like Lithium battery replacements in traditional Lead Acid applications. In August 2019, it was announced that Navitas Systems had been acquired by East Penn a privately-owned company operating the largest single-site battery manufacturing facility in the world makes high quality lead batteries and accessories as well as offers other energy storage and system integration solutions, for the automotive, commercial, marine, motive power, UPS, and telecommunication markets. Navitas will remain based in Illinois