The SNAP ON TOOLS CTC772A MicroLithium 7.2 V - 14.4 V 3.0 Amp Battery Charger is a high-quality charger designed specifically for automotive tools and supplies. With a voltage range of 7.2V to 14.4V and a power source of battery, this charger is reliable and efficient for keeping your vehicles charged and ready to go. Made by Snap-on, a trusted brand in the industry, this charger is a durable and reliable option for those in need of a top-notch charging solution.