The Heated Fleece Jacket combines the comfort of fleece and our top of the line ALPHA Heating System. The individual zone control allows you to select your ultimate comfort level and extend battery life. Features Size - X-Large Color - Black Low Battery Warning Heating time - 2 to 6 hours Express 110V-240V Charger XCT ALPHA 603 Heating System Built-in Fuzzy Logic Surge Protection Slim 7.4 Volt Lithium-ion Powered Battery Front and Back Temperature Zone Control Includes two heaters in the front and one in the back Four heat settings - Pre-Heat High Medium and Low Made of 100 percent Polyester Fleece with a mesh lining