Scott 604 Battery Heating Accessories

604B 7.4V, 2200mAh Lithium-Ion Battery. Designed for use with some of our Venture Heat vests, the 604 Lithium Ion Battery is a lightweight,pocket-sized energy source for keeping you warm all day, any day! Good for up to 500 charges, just attach the 3-Setting Temperature Controller to customize your own micro-climate for maximum heating comfort.