You can expect up to 2x more run time, 20% more power and up to 2x more recharges with this 2.0Ah battery from Milwaukee The Milwaukee M12 B2 12V 2.0Ah REDLITHIUM Battery features sophisticated electronics (REDLINK Intelligence) and overload protection which prevents the user from damaging their cordless power tool investment in abusive situations. It has a temperature management system designed to keep the battery in the ideal temperature range to provide maximum life and discharge protection to prevent cell damage from over-discharge. Features: Overload protection prevents users from damaging their cordless power tool investment in abusive situations The temperature management system keeps the battery in the ideal temperature range to provide maximum life Individual cell monitoring ensures optimal charge and discharges for maximum life Discharge protection prevents cell damage from over-discharge Up to 2x more run time, 20% more power and up to 2x more recharges compared with other Lithium-Ion technologies Integrated weld frame Cell separator Impact and vibration protective rubber Fuel gauge to display remaining charge Specification: Capacity: 2.0Ah Voltage: 12V Charge time C12 C charger: 40 min