The M18™ REDLITHIUM™ FORGE™ 6.0Ah Battery delivers high power in a smaller, more ergonomic size and the longest life vs REDLITHIUM™ batteries. REDLITHIUM™ FORGE™ are Milwaukee’s most powerful, fastest charging, and longest-life batteries. The optimised combination of size, weight, and increased power provides the best solution for power-demanding overhead work and tight work areas. When paired with the M18™ Dual Bay Super Charger, The REDLITHIUM™ FORGE™ 6.0Ah is the fastest charging battery pack within its class on M18™, charging in just 15 minutes to 80% and 25 minutes to 100%. The M18FB6 has the longest life, the most recharges, and the best performance over the life of the battery. This solution is designed with resistant housing for increased protection against exposure to common oils, greases, and solvents. Built-in REDLINK™ PLUS Intelligence protects the battery from overloads, preventing you from damaging your cordless power tools in heavy-duty situations. The REDLITHIUM™ FORGE™ 6.0Ah battery is fully compatible with 250+ M18™ solutions.