Recently. the optimization of power flows in portable hybrid power-supply systems (HPSSs) has become an important issue with the advent of a variety of mobile systems and hybrid energy technologies. In this paper. a control strategy is considered for dynamically managing power flows in portable HPSSs employing batteries and supercapacitors. https://www.roneverhart.com/Plastic-Gift-Boxes-Gold-5X4X3-5-6-Pack-Bakery-Boxes-With-Base-Lid-Ribbon/