FEATURES " Sophisticated electronics: Milwaukee® REDLINK™ Intelligence " 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 " Up to 2X more run time*, 20% more power*, Up to 2X more recharges* " *Compared with other Lithium -Ion technologies and / or with previous Milwaukee® battery technology. Results dependant on voltage, tool and application. " Integrated weld frame " Cell separator " Impact and vibration protective rubber