Heated Clothing GHH 12+18V XA. The heated hoodie GHH 12+18V XA is the perfect mid-layer option against cold temperatures and bad weather. Combined with a thin, wind- and water-resistant jacket, it provides everything you need to stay warm during any task. The weather is always unpredictable, but with perfect heat distribution thanks to its three heating zones, this hoodie keeps your upper body warm all day long. The three heat settings, powered by Bosch's 12-volt batteries, ensure lasting warmth. The integrated port in the battery adapter allows for easy charging of USB-powered devices, adding even more convenience. The heating pads of the hoodie are powered via the GAA 12V-21 charging adapter and a Bosch 12-volt battery (included) or optionally via the GAA 18V-24 charging adapter and the Bosch 18-volt battery (not included).