The Milwaukee M18 FORGE 12.0 Ah battery M18 FB12 is a particularly powerful high-performance battery for professional applications with extremely high energy requirements. The modern REDLITHIUM FORGE technology combines maximum performance, long runtimes and very fast loading times and has been specially developed for demanding M18 tools. With a capacity of 12.0 Ah, the battery offers significantly more runtime for energy-intensive applications such as power cutters, rotary hammers, saws, garden tools and heavy assembly work. At the same time, the FORGE cell technology delivers up to 50% more power than comparable HIGH OUTPUT batteries and ensures improved energy output under load. :contentReference[oaicite:0]{index=0} The integrated COOL-CYCLE cooling system supports faster heat dissipation.