Features:

• Delivers up to 2x more run time, up to 20% more power and up to 2x more battery life compared with other Lithium-Ion technologies and/or with previous MILWAUKEE® battery technology (Results depend on tool and application)
• REDLITHIUM™ protection with REDLINK™ digital overload protection to prevent users from damaging their cordless power tool investment in abusive situations
• Individual cell monitoring ensures optimal charge and discharge for maximum life
• Integrated welded frame battery construction with shock responsive separators preventing pack failure from excessive vibrations or drops
• Can be used in extreme temperatures down to -20 °C without compromising on runtime and battery life

Specification:

• Battery pack capacity (Ah): 4
• Battery type: Li-ion
• Charge time C12 C charger: 80 min
• Charge time M12 C4 charger: 80 min
• Charge time M12 TC charger: 347 min
• Charge time M12 TC2 charger: 240 min
• Charge time M12-18 AC charger: 115 min
• Charge time M12-18 C charger: 80 min
• Charge time M12-18 FC charger: 52 min
• Charge time M12-18 SC charger: 52 min
• Model Variant: M12 B4
• No. of batteries supplied: 1
• System: M12™
• Voltage (V): 12
• Weight (kg): 0.4