The product is a used Zebra battery model BT-000371, manufactured in China. It is a single unit that serves as a power source for a gun scanner or laptop and desktop accessories. The product does not come with any specific California Prop 65 warning, and customers can find more information about it by visiting www.p65warnings.ca.gov. With the Zebra brand known for its quality and reliability, this battery is a dependable option for powering your devices efficiently.