Patent ID: 7859222

Claim:
A case battery system for a personal electronic device, comprising: a case battery configured to enclose the personal electronic device, wherein the case battery comprising: a bottom holding portion configured to hold a lower part of the personal electronic device and provide a plurality of external interfacing devices with access to the personal electronic device; a rear plate portion configured to be attached to and detached from the bottom holding portion mechanically and electrically and protects a rear portion of the personal electronic device; a top holding portion configured to hold a top part and partial lateral parts of the personal electronic device and provide access holes to at least part of input and output devices of the personal electronic device; a charging portion disposed in the rear plate portion, the charging portion being configured to be electrically connected to the personal electronic device while the personal electronic device is installed in the case battery; and a plurality of circuit portions disposed in the rear plate portion, wherein at least one of the plurality of circuit portions is configured to connect the charging portion to the personal electronic device; a connector adaptor configured to attach to the bottom holding portion of the case battery; and a dock configured to accept the bottom portion of the case battery.