The new Milwaukee 48-11-1865 M18 REDLITHIUM HIGH OUTPUT XC 6 Ah Lithium-Ion Battery is a high-quality and long-lasting power tool accessory designed for various workshop and home improvement projects. With a sleek black design and a compact size of 3.4 inches in length, this battery offers fast charging capability and a high battery capacity of 6 Ah, providing continuous power for your tools. Made with Lithium-Ion technology and a voltage of 18V, this Milwaukee battery is a reliable and efficient choice for your power tool needs, while ensuring safety with its California Prop 65 Warning.