Select a Bosch Heated Jacket and you can get free battery and charger kit for $141.41 plus free shipping at Amazon. This was the lowest for the jacket by $39 and the kit is $49 anywhere else. This jacket can keep you warm for up to six hours with a built in 12-volt heating device that distributes heat to three areas of the jacket. It's available in sizes S to 2XL at this price (note: 3XL is sold at a higher price). Sales tax is charged in most states.