M18 REDLITHIUM-ION HIGH OUTPUT 3.0Ah Battery Pack provides you with 50% more power and runs 50% cooler vs the M18 REDLITHIUM-ION 2.0Ah battery pack. 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 delivers fade-free power and runs substantially cooler through heavy applications, allowing you to push your cordless power tools throughout a wide range of applications. M18 REDLITHIUM-ION HIGH OUTPUT 3.0Ah battery pack is fully compatible with all 150+ Milwaukee M18 solutions.