Milwaukee 48-11-1828 M18 XC RED LITHIUM 18-Volt Lithium-ion Cordless Tool Battery ( 2 pack )
From the Manufacturer: Milwaukee RED LITHIUM batteries are the next generation in Lithium-ion technology. Compatible with all products in the M18 Cordless tool system, RED LITHIUM battery packs will provide unmatched runtime, performance and durability for the professional tradesman. Managed by Milwaukee's exclusive Digital Power Management (DPM) System, the battery features Overload Protection, a Temperature Management System, Individual Cell Voltage Monitoring, Discharge Protection and a Battery Fuel Gauge. Overload Protection - Prevents user from damaging their cordless power tool investment in abusive situations. Temperature Management System - Keeps battery in ideal temperature range to provide maximum life. Individual Cell Monitoring - Ensures optimal charge and discharge for maximum life. Discharge Protection - Prevents cell damage from over-discharge.