• REDLINK™ intelligence provides optimized performance and overload protection using total system communication between tool, battery and charger Best-in-class construction offers long-lasting performance and durability All weather performance - delivers fade-free power in extreme jobsite conditions Lithium-Ion battery type

Smaller and lighter than NiCd compact batteries, yet delivers long runtime and fade-free power. The M12 REDLITHIUM™ battery is designed with superior pack construction, electronics and performance to optimize work per charge and work over pack life on the jobsite. This battery is 65% lighter and 50% smaller than compact NiCd batteries and offers 1.5 A hr of runtime. With built-in Milwaukee® durability, it runs cooler and performs in climates below 0 deg F/-18 deg C. Managed by Milwaukee® exclusive REDLINK™ Intelligence, the battery features overload protection to prevent you from damaging your cordless power tools in heavy-duty situations, while the discharge protection prevents cell damage. The temperature management system and individual cell monitoring help maximize battery life. Use this durable battery to power your Milwaukee® M12 cordless power tools.