Milwaukee M12™ REDLITHIUM™ XC 4.0 Extended Capacity Battery Pack delivers an impressive 4.0 amp hours of runtime, providing twice the power of standard lithium-ion batteries. Designed with REDLINK Intelligence, this battery ensures seamless communication between the tool, battery, and charger, ing powerful performance and protection against overloads. Built for durability and efficiency, it runs cool and performs reliably even in temperatures as low as 0°F (-18°C). The advanced temperature management system and individual cell monitoring work together to maximize battery life, making this battery a dependable choice for demanding job sites. Model Number: 48-11-2440