A charger for an electrical device (e.g., a site light) includes a housing defining an interior cavity, and one or more openings formed in the housing. A heat sink is disposed in the interior cavity of the housing and is operable to dissipate heat produced in the housing. The heat sink is positioned in a facing relationship with the one or more openings such that the heat sink is at least partially exposed to the exterior. The heat sink is in heat transfer relationship with component of charger electronics of the charger.