This is a genuine OEM Dewalt 20 Volt Max 2.0 AH Lithium Ion Battery, Model # DCB203. The battery is designed for use with power tools and features a yellow color, making it easily identifiable. It has a battery capacity of 2 Ah and a voltage of 20 V, ensuring long-lasting and efficient performance. The battery is compact, measuring 3 inches in height, 7 inches in length and width, and weighing only 1 unit. It comes with its original box and is a unit type battery. The DCB203 model is compatible with a range of Dewalt power tools and is an essential accessory for any DIY enthusiast or professional tradesperson.