Genuine Milwaukee 48-11-2401 M12 1.5ah Battery 12V Red Lithium Ion This Milwaukee battery is 65% lighter and 50% smaller than a compact NiCd battery, yet delivers long run time and fade-free power. This REDLITHIUM battery was designed with superior pack construction, technology and performance to get optimal work per charge and work over pack life. Use this 16-watt-hour battery to power your Milwaukee M12 cordless power tools.1.5 Ah of run timeLithium-ion battery for longevity and fade-free powerOnboard fuel gauge that displays remaining run time, enabling you to adequately prepare for your projects and have less downtime on the jobREDLINK Intelligence overload protection for preventing you from accidentally damaging your tools during heavy duty applicationsTemperature management system for keeping the battery in an ideal range for a long shelf-lifeIndividual cell monitoring for ensuring optimal charge and dischargeCompact, lightweight design for fitting into tight workspaces and reducing user fatigueAll-weather performance for fade-free power in extreme conditionsCharger sold separatelyVersatility: powers all 70+ Milwaukee M12 cordless power toolsVersatility: powers Milwaukee M12 cordless power toolsCompatible chargers: M12/M18 multi-voltage (48-59-1812), M12 AC/DC (2510-20), M12 30 minimum (48-59-2401)Includes: (1) 48-11-2401 M12 REDLITHIUM battery This Milwaukee battery is 65% lighter and 50% smaller than a compact NiCd battery, yet delivers long run time and fade-free power. This REDLITHIUM battery was designed with superior pack construction, technology and performance to get optimal work per charge and work over pack life. Use this 16-watt-hour battery to power your Milwaukee M12 cordless power tools. 1.5 Ah of run time Lithium-ion battery for longevity and fade-free power Onboard fuel gauge that displays remaining run time, enabling you to adequately prepare for your projects and have less downtime on the job REDLINK Intelligence overload protection for preventing you from accidentally damaging your tools during heavy duty applications Temperature management system for keeping the battery in an ideal range for a long shelf-life Individual cell monitoring for ensuring optimal charge and discharge Compact, lightweight design for fitting into tight workspaces and reducing user fatigue All-weather performance for fade-free power in extreme conditions Charger sold separately Versatility: powers all 70+ Milwaukee M12 cordless power tools Versatility: powers Milwaukee M12 cordless power tools Compatible chargers: M12/M18 multi-voltage (48-59-1812), M12 AC/DC (2510-20), M12 30 minimum (48-59-2401) Includes: (1) 48-11-2401 M12 REDLITHIUM battery integration by