Notebook type personal computer and battery case

摘要

The invention aims at providing a notebook type personal computer having an improved portability. In order to achieve this object, a battery case which houses a battery B for supplying a power to a personal computer body is detachably attached to a housing. The battery case has such a shape that it also serves as a palm rest used when a keyboard is operated. The battery case has a battery case body for housing the battery B, and an attaching/detaching portion connected to the battery case body and attached to and detached from the housing. The battery case body is connected to the attaching/detaching portion to be pivotal in a direction of thickness of the housing.