The Milwaukee M12 6.0Ah REDLITHIUM-ION 12V battery delivers enhanced performance for your M12 cordless tools. It offers up to 2x more run time, 20% more power, and up to 2x more battery life compared to previous Milwaukee battery technologies. The battery features individual cell monitoring for optimal charge and discharge, ensuring maximum lifespan. Its integrated weld frame and rubber overmold provide superior protection against impacts, vibrations, and drops. The temperature management system keeps the battery in its ideal temperature range for sustained performance. This battery also includes overload, discharge, and shock-responsive separators for safe and reliable use.