The M18™ REDLITHIUM™ FORGE™ HD12.0 Battery Pack delivers 50% more power than the HIGH OUTPUT™ 12.0, high-speed cooling for less downtime in high-demand applications, 35-minute supercharge to 80%, and the longest life vs REDLITHIUM™ batteries. REDLITHIUM™ FORGE™ are Milwaukee's most powerful, fastest charging, and longest life batteries. The M18™ REDLITHIUM™ FORGE™ HD12.0 is COOL-CYCLE™ capable. COOL-CYCLE™ Active Cooling System provides high-speed cooling for less downtime. 

• 50% More Power vs HIGH OUTPUT™ HD12.0
• COOL-CYCLE™ Active Cooling System provides high-speed cooling for less downtime with COOL-CYCLE™ capable chargers
• 35min Supercharge to 80% with the NEW M18™ Dual Bay Simultaneous Super Charger
• Longest life for the most recharges and best performance over the life of the pack
• REDLITHIUM™ FORGE™ provides the most powerful, fastest charging, and longest life batteries within REDLITHIUM™
• Fully compatible with the M18™ system, featuring 250+ tools