Milwaukee M18 REDLITHIUM HIGH OUTPUT XC 6.0Ah Lithium-Ion Battery Pack - Power Tools Replacement Battery for Drills, Saws & More | Compatible with Milwaukee M18 Cordless Tools

The M18 REDLITHIUM HIGH OUTPUT XC6.0 Battery Pack Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.

50% more runtime, most work/charge of any power tool battery

50% more power to replace 15Amp corded tools & runs 50% cooler

Fully compatible with the M18 System, featuring over 150+ tools