Abstract: A battery charger may include a housing assembly. A battery charger may include a battery receptacle coupled to the housing assembly, the battery receptacle including an open end configured to receive a portion of the battery pack and a partially closed end opposite from the open end. A battery charger may include charging electronics positioned within the housing assembly and electrically connected to the battery receptacle. A battery charger may include a conduit positioned within the housing assembly, the conduit including a first end fluidly coupled to the partially closed end of the battery receptacle and a second end fluidly coupled to an outlet of the housing assembly.

Abstract: A charger for use with a battery pack having a latch. The charger comprises a charging bay defining a battery path and a lock including a member retractably extending into the charging bay transverse to the battery path. The member is positioned to overlap with the latch in the battery path regardless of a position of the latch lateral to the path direction.