About the RedLithium M18 48-11-1828 High Capacity Slide-On Battery Pack, 18 V, Lithium-Ion
The Milwaukee 48-11-1828 model M18 XC High-Capacity Red Lithium Battery is a part of the Batteries Series. This battery gives you the latest in Lithium-Ion technology. It provides unmatched run time, performance, and durability for the professional tradesman. This battery includes an unrivaled Overload Protection, a Temperature Management System, Individual Cell Voltage Monitoring, Discharge Protection, and a Battery Fuel Gauge to let you know when it's time to recharge.