The DeWalt DCB609 FLEXVOLT 20V/60V MAX 9Ah Lithium-Ion Battery is a powerful and reliable tool accessory designed for use in various power tools and workshop equipment. With a high capacity of 9Ah and voltage of 20V, this battery provides long-lasting performance for your tools, ensuring that you can work efficiently without the need for frequent recharging. The yellow color and sleek design make it easy to identify and use, while the lithium-ion technology ensures efficient power delivery and rechargeability. Tested and confirmed to be in working order, this DeWalt battery is a valuable addition to any home workshop or job site.