Abstract: A portable battery charger with inductive charging has a housing, an output inductive coil beneath the surface of the housing to transmit power to a portable device also having a coil therein, and a battery within the housing connected to the output coil, wherein the output coil operates at the battery voltage and transmits power from the battery to the portable device. The charger may also have an input inductive coil beneath the surface of the housing to receive power from a source, and transmit the power to the battery, and the output coil and the input coil may be the same coil. A method of charging the battery of a portable device comprises the steps of aligning the input coil of a portable device adjacent to with an output coil of a charger using magnets positioned near the respective coils, and inductively charging the device battery without connecting the device to the charger.

Abstract: 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.