The milwaukee m18 fb6 is an 18v 6.0Ah lithium-ion battery pack designed to deliver maximum performance across the full range of milwaukee m18 cordless tools. Built around milwaukee's redlithium forge technology, it represents the most powerful, fastest charging, and longest-lasting option within the redlithium family making it a reliable choice for contractors and tradespeople who demand consistent output throughout a full working day. Durability on site is addressed through a resistant housing that guards against common oils, solvents, and greases conditions regularly encountered across electrical, plumbing, joinery, and general construction work. The battery also offers strong protection from weather and environmental conditions, helping to maintain performance in the demanding environments professionals routinely work in. Redlink intelligence provides real-time communication between the battery, tool, and charger, delivering optimised performance and overload protection to help extend the life of both battery and tool. The enhanced onboard fuel gauge offers clear charge-level readability even in direct sunlight, so there's no guesswork when working outdoors. Features and benefits: redlithium forge technology for maximum power, fast charging, and extended cycle life resistant housing protects against oils, solvents, and greases common on job sites redlink intelligence optimises performance and guards against overload enhanced fuel gauge remains readable in direct sunlig...