The Craftsman V20* 9.0 Ah Lithium Ion Battery (CMCB209) is a high-quality power tool accessory designed for home and garden use. With a powerful 20V voltage and 9.0 Ah battery capacity, this lithium-ion battery provides long-lasting performance for a variety of tools and equipment. The red color and V20 model make it easily recognizable, while the Craftsman brand ensures reliability and durability.