A charging inlet according to an embodiment of the present invention includes: an inlet unit on which a charging unit coupled to a charging outlet, and a first magnetic unit are formed; and a protective cap which is detachable from the inlet unit to protect the charging unit. The protective cap includes: a cap body which covers all of the charging unit; a protection unit which protrudes from the inner surface of the cap body and is inserted into the inlet unit to protect the charging unit; and a second magnetic unit which is detachable from the first magnetic unit. The charging inlet allows the protective cap to be easily detached and minimizes the risk of loss.