General description Milwaukee M12NRG-603 pack includes three M12B6 batteries and one C12C charger, designed to deliver exceptional performance and longevity. The M12B6 batteries provide up to three times more run time, 20% more power, and double the battery life compared to other Lithium-Ion technologies. This pack is ideal for users seeking reliable and efficient power solutions for their cordless tools. Technical specifications Battery type: REDLITHIUM™ Battery capacity: 3 x M12B6 (3.0 Ah / 4.0 Ah) Charging time: 60 min / 80 min for 3.0 Ah / 4.0 Ah batteries; 30 min / 40 min for 1.5 Ah / 2.0 Ah batteries Operating temperature: down to -20 °C Compatibility and accessories Includes: 3 x M12B6 Battery Includes: 1 x C12C Charger Other information REDLINK™ digital overload protection to prevent damage in abusive situations Individual cell monitoring for optimal charge and discharge Shock responsive separators to prevent pack failure from vibrations or drops Temperature protection