Comes with:

• 2 x M18B4 4.0Ah Batteries
• 1 x M12-18FC Fast Charger

 M18B4 Battery 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-ION™ protection with Milwaukee® 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
• Durable metal frame battery construction with shock responsive separators preventing pack failure from excessive vibrations or drops
• Water protection routes water away from the electronics & out of the battery pack
• Can be used in extreme temperatures down to -20 °C without compromising on runtime and battery life
• On-board battery fuel gauge helps the user to maximise his battery run-time efficiency

M12-18FC Fast Charger Features:

• Recharges all M18™, M14™ and M12™ REDLITHIUM-ION™ battery packs
• Recharges in sequence - first in, first to charge - resulting in less time needed to manage charging cycles
• M12™ REDLITHIUM-ION™ 2.0 Ah / 3.0 Ah / 4.0 Ah / 6.0 Ah battery packs recharge in 28 min / 45 min / 57 min / 90 min or less
• M18™ REDLITHIUM-ION™ 2.0 Ah / 4.0 Ah / 5.0 Ah / 6.0 Ah / 9.0 Ah battery packs recharge in 26 min / 47 min / 59 min / 68 min/ 95 min or less