Energy Weapons Bobblehead

The energy weapons bobblehead is a miscellaneous item, a Vault Boy bobblehead. In Fallout 4, it permanently increases critical damage with energy weapons by 25%.

Location
Fort Hagen, in the Command Center, southwest kitchens, on a small table between two fridges. Note that you will not be able to access the elevator leading to the Fort Hagen Command Center until you begin the main quest, Getting a Clue in Diamond City.