Milwaukee 48-11-1850 M18 5.0 Ah REDLITHIUM XC Batteries 18V (4 Pack)

REDLINK Intelligence: provides optimized performance and overload protection using total system communication between tool, battery and chargerBest-in-class construction: offers long-lasting performance and durabilityFuel gauge Onboard: displays remaining runtime for less downtime on the jobAll-weather performance: delivers fade free power in extreme jobsite conditionsVersatility: powers more than 60 Milwaukee M18 cordless power tools