A heated article of clothing including a garment body, a heater coupled to the garment body, a heater supply cable configured to provide electrical power to the heater, and a battery pack configured to power to the heater by way of the heater supply cable. The garment body includes a first compartment configured to hold the battery pack, a second compartment configured to alternatively hold the battery pack, and a pass-through connecting the first compartment to the second compartment internally within the garment body such that the battery pack is movable between the first and second compartments while remaining coupled with the heater supply cable.