Charge up and take your heated products anywhere and everywhere you go with the specially designed 604 Battery Charger. This low voltage charger connects easily to any outlet in your home and office so you can power on your Venture Heat heated products anytime the need to recharge arises. Because of its lightweight design, you can take the 604 Battery Charger anywhere. All you have to do is plug in your 602, 602A, 604 ot 607B battery into the 604 Battery Charger and in just a short time, you'll be experiencing the comforting heat that only Venture Heat can deliver. Once the indicator changes from red to green, your battery is fully charged and ready to use.