A heated garment system, comprising: a jacket; a wiring circuit embedded within the jacket and configured to generate heat; a battery assembly configured to removably couple with the wiring circuit; and a battery holder configured to removably receive the battery assembly wherein the battery holder includes a first end portion defining a cavity and a second end portion including an opening; and wherein the battery assembly includes a coupler configured to align with the opening when the battery assembly is received within the cavity, characterized in that the battery holder further comprises: a clip configured to attach the battery holder to the jacket, wherein the clip is configured such that the second end portion is located downwardly of the first end portion when the battery holder is attached to the jacket, wherein the battery assembly comprises a power button for selectively applying power to the wiring circuit and adapted to turn a heating portion of the garment system on and off, along with the coupler adapted to receive a plug attached to the wiring, wherein the clip is oriented such that when used to attach the holder to the jacket, the coupler is accessible through the opening in the second end portion of the holder, and wherein the second end portion of the holder includes a resilient portion which allows the power button to be manipulated without removing the battery assembly from the holder. a jacket; a wiring circuit embedded within the jacket and configured to generate heat; a battery assembly configured to removably couple with the wiring circuit; and a battery holder configured to removably receive the battery assembly wherein the battery holder includes a first end portion defining a cavity and a second end portion including an opening; and wherein the battery assembly includes a coupler configured to align with the opening when the battery assembly is received within the cavity, characterized in that the battery holder further comprises: a clip configured to attach the battery holder to the jacket, wherein the clip is configured such that the second end portion is located downwardly of the first end portion when the battery holder is attached to the jacket, wherein the battery assembly comprises a power button for selectively applying power to the wiring circuit and adapted to turn a heating portion of the garment system on and off, along with the coupler adapted to receive a plug attached to the wiring, wherein the clip is oriented such that when used to attach the holder to the jacket, the coupler is accessible through the opening in the second end portion of the holder, and wherein the second end portion of the holder includes a resilient portion which allows the power button to be manipulated without removing the battery assembly from the holder. a clip configured to attach the battery holder to the jacket, wherein the clip is configured such that the second end portion is located downwardly of the first end portion when the battery holder is attached to the jacket, wherein the battery assembly comprises a power button for selectively applying power to the wiring circuit and adapted to turn a heating portion of the garment system on and off, along with the coupler adapted to receive a plug attached to the wiring, wherein the clip is oriented such that when used to attach the holder to the jacket, the coupler is accessible through the opening in the second end portion of the holder, and wherein the second end portion of the holder includes a resilient portion which allows the power button to be manipulated without removing the battery assembly from the holder.