With the development of Global Armies tactical requirements and necessities more andmore vehicle and platform sub-systems are being used with high demand of electrical power. Under the necessity of high energy demand, normal enginesalternators and air condtioning capacities are inadequate to overcome the new mission profiles. Nero Industries the company located in Turkey developed new series of tactical silent auxiliary power units which don’t need any more power from the vehicle’s engine and generating all the extra necessary power from its quite mini diesel engine and powerful alternator system with sophisticated electronics body control system which can be adaptable to any vehicle on the field. The new succession for generating that power and air conditioning energy with the lowest level of sound generation under 70 dBA.