Patent attributes
A protective battery case for use with a mobile electronic device can include a back wall, a right side wall, a left side wall, a bottom wall, and a top wall. The protective battery case can include a battery, which can be disposed in the back wall. A device interface can be configured to engage a corresponding interface on the mobile electronic device to deliver electrical power from the battery to the mobile electronic device. A charging interface can be configured to receive electrical power for charging the battery. The protective battery case can include one or more bumpers disposed on the inside of the protective battery case such that the one or more bumpers abut against sides of the mobile electronic device to provide cushioning and/or shock absorption to protect the mobile electronic device.