Amazon return The Charger for Black and Decker 20V Lithium Battery LCS1620B 12V and 20V MAX LBXR20 is an AC/AC adapter that is powered and designed to charge both 12V and 20V MAX batteries. The connection split/duplication allows for charging multiple batteries at once, making it a convenient and efficient solution for powering your Black and Decker tools. The sleek black color and reliable brand, Ironants, ensure a high-quality and durable charging solution for your lithium batteries.