Offered Refurbished UPS System (Uninterruptible power supply) is used as reliable source of electrical power for computers during failure of main input power source. Power in this system is usually stored in capacitor, battery or in flywheel. Specific on battery run time of this Refurbished UPS System enables user to shut down attached telecommunication system or computer safely to protect stored data during power outrage. Application of this equipment can be noticed in financial institutes, data centers and also in different industries. Quality of this product has been tested on the basis of its service life, performance, energy consumption rate and precision level.