The Ryobi Edge OP40406TA 4.0Ah 40V Lithium-Ion Battery is a high-quality power tool accessory designed for home and garden use. This sealed battery features a 4 Ah capacity and a 40V voltage, providing long-lasting power for your tools. With a sleek black design and a compact size of 7 inches in length, 4 inches in height, and 4 inches in width, this battery is lightweight at 5 lbs and easy to handle. Manufactured by Ryobi with a warranty of 3 years, this lithium-ion battery is a reliable and durable choice for your power tools.