A battery terminal cover (10) for accommodating a battery terminal (30) to be connected to a battery post (42) includes a main body (11) with a first accommodation space (18) for accommodating the battery terminal (30) and an opening (19) for opening the first accommodation space (18) to outside. A lid (21) is displaceable between a closing position for closing the opening (19) and an opening position for opening the opening (19). Hinges (25) project from outer surfaces of the main body (11) and the lid (21) and couple the main body (11) and the lid (21). Projections (26) project from the outer surface of the main body (11) near the hinges (25) and have a projecting dimension equal to or larger than that of the hinges (25).