Milwaukee M18NRG-402 18V Energy Pack (2 x M18B4 4.0Ah Battery & M12-18FC Charger)

Comes with:2 x M18B4 4.0Ah Batteries1 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 situationsIndividual cell monitoring ensures optimal charge and discharge for maximum lifeDurable metal frame battery construction with shock responsive separators preventing pack failure from excessive vibrations or dropsWater protection routes water away from the electronics & out of the battery packCan be used in extreme temperatures down to -20 °C without compromising on runtime and battery lifeOn-board battery fuel gauge helps the user to maximise his battery run-time efficiencyM12-18FC Fast Charger Features:Recharges all M18™, M14™ and M12™ REDLITHIUM-ION™ battery packsRecharges in sequence – first in, first to charge – resulting in less time needed to manage charging cyclesM12™ 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 lessM18™ 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