The MILWAUKEE® M18™ REDLITHIUM™ FORGE™ HD12.0 battery pack delivers 50% more power than the HIGH OUTPUT™ 12.0 battery pack, high-speed cooling to reduce downtime in high-demand applications, supercharges up to 80% in 35 minutes, and the longest life of any REDLITHIUM™ battery pack.

REDLITHIUM™ FORGE™ battery packs are Milwaukee's most powerful, fastest-charging, and longest-lasting. The M18™ REDLITHIUM™ FORGE™ HD12.0 battery pack provides 12-amp-hour runtime with 50% more power than the HIGH OUTPUT™ 12.0 battery pack, delivering optimal power and runtime for demanding applications.

The M18™ REDLITHIUM™ FORGE™ HD12.0 battery pack is COOL-CYCLE™ compatible. The COOL-CYCLE™ active cooling system provides high-speed cooling to reduce downtime. The patented coating offers increased protection to maximize active cooling through an improved ventilation design. The high-speed cooling feature works with M18™ COOL-CYCLE™ compatible chargers.

When paired with the M18™ Dual Port Simultaneous Super Charger, this battery charges to 80% in just 35 minutes, getting you back to work faster than ever before. This lithium-ion battery pack delivers the longest life, greatest recharge capacity, and best performance throughout the life of the battery pack. It is designed with a durable housing that offers increased protection against exposure to common oils, greases, and solvents.

Built-in REDLINK™ intelligence protects the battery pack from overcharging, preventing damage to your cordless power tools during heavy use. Fully compatible with over 250 M18™ solutions.