MicroSun is a privately-held manufacturer of rechargeable energy systems using cutting-edge technology with over all employees 4999, innovative engineering and years of expertise to the design, assembly and testing of battery packs, chargers/conditioners, and testing equipment. Our energy solutions are individually tailored for each customer’s unique requirements in a wide range of OEM applications. MicroSun is ISO9001 and 14001 registered. Our corporate headquarter is located in Woodridge, Illinois, with an off shore manufacturing facility in Malaysia. The company's systems are targeted toward a broad range of customers, ranging from medical device manufacturers, industrial and commercial devices, consumer electronics, to businesses and government agencies. Our technology team applies more than 150 years of collective expertise to the design and assembly of battery packs, chargers, power suppliers and testing equipment, custom-made for world-class clients in a wide range of OEM applications.