Description The Milwaukee M18 REDLITHIUM XC 5.0 Battery Starter Kit delivers superior runtime, power, and durability for professional and everyday use. Featuring advanced REDLINK Intelligence, temperature management, and robust construction, these batteries provide up to 2.5X more runtime, 20% more power, and 2X more recharges than standard lithium-ion batteries. The kit includes two batteries and an M18 & M12 multi-voltage charger for complete system compatibility.Product Details:Includes (2) M18 REDLITHIUM XC 5.0 BatteriesIncludes (1) M18 and M12 Multi-Voltage ChargerFuel gauge displays remaining runtimeBest-in-class battery construction for durability and long lifeREDLINK Intelligence for optimized performance and overload protectionExceptional charge management for full battery protectionAll-weather performance with fade-free power in extreme conditionsOperates in temperatures below 0ÂF/-18ÂCProtection against water, vibration, and dropsIntegrated temperature management and individual cell monitoring