This Milwaukee 18V Lithium-Ion Battery works on the M18™ Cordless Tool System and has 1.5 Amp Hours of run-time. This battery powers over 40 Milwaukee M18™ cordless tools. The M18™ Compact RED LITHIUM™ battery offers less weight and a reduced size than the M18™ XC High Capacity RED LITHIUM™ battery pack to reduce user fatigue. Managed by Milwaukee’s exclusive REDLINK™ Intelligence, the battery features overload protection, a temperature management system, individual cell voltage monitoring, discharge protection and a battery fuel gauge. Fuel gauge onboard: Displays remaining runtimeCompatible with over 125+ Milwaukee toolsDelivers long life and run time with fade-free powerOverload protection - prevents user from damaging their cordless power tool investment in abusive situationsTemperature management system - keeps battery in ideal temperature range to provide maximum lifeIndividual cell monitoring - ensures optimal charge and discharge for maximum lifeDischarge protection - prevents cell damage from over-dischargeBest in class constructionImpact and vibration protective rubberFor use with Milwaukee M18 cordless tools