Our M18™ REDLITHIUM™ HIGH OUTPUT™ 3.0Ah Battery provides you with 50% more power and runs 50% cooler than the M18™ REDLITHIUM™ 2.0Ah Compact Battery. This increased performance of the lithium-ion battery gives you maximum power and runtime in a light and compact package. The 18-volt battery pack runs substantially cooler through heavy applications, allowing you to push your cordless power tools throughout a wide range of applications. Our M18™ REDLITHIUM™ HIGH OUTPUT™ 3.0Ah Battery is fully compatible with all 150+ MILWAUKEE M18™ solutions.