the printer 3 the lid 20 in an opened state is omitted from the figure at an inside right of the printer 3 namely an inside left in fig3 to 5 the body 9 is formed with a battery compartment 48 a housing part of the invention which receives a charging battery 40 as shown in fig4 a battery cover 31 is provided to close an opening 48 a of the battery compartment 48 thus covering the charging battery 40 this battery cover 31 is removably attached to the body 9 the details will be mentioned later a cassette compartment 32 like a cavity is centrally formed in the tape printer 3 a print head 34 which is heated to form images on a tape used as a print medium is placed in the cassette compartment 32 at an inside back an upper part in the figures a platen roller 36 for feeding the tape is also placed at the back above in the figures of the cassette compartment 32 and facing the print head 34 through the tape a phantom line 33 represents the contour of a cassette housed in the cassette compartment 32 a label 38 related to a charging battery is affixed on an outer surface of the body 9 near a lower part of the opening 48 a this label 38 corresponding to a connector connection indication and a battery housing indication of the present invention the details of the label 38 will be mentioned later as shown in fig3 the label 38 can be seen clearly by a user even when the battery cover 31 is.