Flylinktech Replacement Battery for Milwaukee 48-11-2440 M12 XC 12-Volt Lithium-ion Cordless Tool Replacement Milwaukee 48-11-2440 M12 Battery 12v,3000mAh Provides optimized performance and overload protection. Fuel gauge onboard: Displays remaining runtime for less downtime on the job. All-weather performance: Delivers power in extreme jobsite conditions. Versatility: Powers most Milwaukee M12TM cordless power tools.