Experience unparalleled power and convenience with the Milwaukee M18 REDLITHIUM FORGE HD 12.0 Ah Battery Pack. Boasting 50% more power than the HIGH OUTPUT 12.0 this battery delivers exceptional runtime and performance for the most demanding tasks. Its rapid 35-minute supercharge feature ensures you can quickly get back to work while the advanced high-speed cooling technology minimizes downtime. With the longest lifespan among REDLITHIUM batteries this 18V lithium-ion pack is the ultimate solution for your Milwaukee M18 tools providing reliable and long-lasting power for all your projects.