Milwaukee M18B5 18V 5.0ah Red Lithium-Ion Battery and Powertoolmate Travel Mug

Features:Delivers up to 2.5x 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 maximize his battery run-time efficiencyAmericano style PTM mug