FeaturesLi-Ion battery delivers long life and run time with fade-free powerBattery fuel gauge displays remaining run timePrevents 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 lifePrevents cell damage from over-dischargeBest-in-class constructionIntegrated weld frameImpact and vibration protective rubber