A portable power system which contains a battery, which is intended for use as a power source for charging the batteries of portable electronics devices or for powering other electrical systems. It contains a USB connection for power input and a myriad of adapters for connecting the power system with the proprietary connectors of portable devices, as well as a screen to output system information to the user. The power system also contains a microcontroller which controls internal systems, input and output current and voltage, such that the power system may operate with any portable device as well as any type of USB port.