RADIOGRAPHIC IMAGING APPARATUS AND RADIOGRAPHIC IMAGING SYSTEM

A radiographic imaging apparatus includes: a radiographic imager that performs imaging; a built-in power storage device that supplies electric power to the imager, an attachment portion to which an external power storage device that supplies electric power to the imager is to be detachably attached; a connector that is electrically connectable to an external apparatus; and a hardware processor that, in a case where the processor is connected to the external apparatus by the connector and the imager is performing imaging, performs control to supply electric power supplied from the external apparatus to the imager, and in a case where the processor is connected to the external apparatus by the connector and the imager is not performing imaging, performs control to supply the electric power supplied from the external apparatus to the built-in power storage device or the external power storage device attached to the attachment portion.