Patent ID: 8625559

Claim:
A modified removable battery module inserted into a portable personal device, the modified removable battery module comprising: a set of modified battery cells each of said cells having a corresponding control and a charging circuit, wherein the corresponding control and the charging circuit are physically located on the modified removable battery module; an additional set of communication circuitry physically located on the modified removable battery module comprising: a communication processing device; a first communication interface coupled with said communication processing device, the first communication interface arranged to communicate with the portable personal device; a memory coupled with said communication processing device and configured to store instructions i of a communication device control system; and a second communication interface coupled with said communication processing device, the second communication interface is configured to communicate with a wireless wide area communication network; and an enclosure housing sized to fit within a battery compartment of the portable personal device and configured to receive the set of modified battery cells, the corresponding control, the charging circuit, and the additional set of communication circuitry; wherein the communication device control system decides when to use a communication interface of the portable personal device outside the modified removable battery module and the second communication interface of the modified removable battery module to provide a network service to a user of the portable personal device based on a decision criteria.