The Milwaukee Electric Tool M12 Red Lithium High Output is a powerful and reliable cordless power tool battery pack. With 25% more power and running 25% cooler compared to other M12 Red Lithium XC battery packs, this battery pack elevates the performance of the entire M12 system. The lithium-ion battery delivers fade-free power and runs substantially cooler through demanding applications, allowing you to confidently use your cordless power tools for a wide range of tasks. Trust in the Milwaukee Electric Tool M12 Red Lithium High Output for exceptional performance and durability.