Get started or upgrade your Milwaukee M12 system with this starter kit featuring two REDLITHIUM XC 4.0Ah extended capacity batteries and a charger. REDLINK intelligence provides overload, overheat, and over-discharge protection to extend the life of your batteries and tools.

• Includes (2) M12 REDLITHIUM XC 4.0Ah batteries and (1) M12 charger
• REDLITHIUM battery technology delivers longer run time and more work per charge
• REDLINK intelligence protects against overload, overheat, and over-discharge
• On-board fuel gauge with 4-LED charge indicator on each battery
• Operates in temperatures below 0 deg F
• Compatible with the entire M12 cordless tool system