Foreign material removing structure for charger

A foreign material removing structure for removing foreign material adhering to a charger-side terminal of a charger to which a battery pack for electric power tool is detachably attached, the foreign material removing structure comprising:

• an inserting hole that is provided in the battery pack, extends along an attaching direction of the battery pack, and includes an opening that the charger-side terminal can enter, the opening being formed on one end side in an extending direction of the inserting hole, a battery-side terminal that is provided in the inserting hole and is to be in contact with the charger-side terminal that enters the inserting hole from the opening when the battery pack is attached to the charger, and
• a push-out section that is provided on a further forward side in the attaching direction than the opening in the battery pack, and has a surface that intersects the attaching direction, the foreign material removing structure being configured such that the push-out section is located at a region shifted to the further forward side in the attaching direction than the charger-side terminal when the forward side in the attaching direction of the battery-side terminal is in contact with the charger-side terminal.