Delivers up to 2.5X more run-time than standard lithium. Provides more delivered energy than any 18 V pack on the market. Delivers up to 20% more power than standard lithium. Faster application speed & increased application range. Provides more work over the life of the pack than any 18 V pack on the market. REDLITHIUM™ Protection prevents pack failure from vibration or drops, routes water away from critical components and out of the pack, minimizes heat to extend run-time & life, operates below -18C/0F. Forward and backward compatible with 60+ M18™ tools. Delivers up to 2.5X more run-time than standard lithium. Provides more delivered energy than any 18 V pack on the market. Delivers up to 20% more power than standard lithium. Faster application speed & increased application range. Provides more work over the life of the pack than any 18 V pack on the market. REDLITHIUM™ Protection prevents pack failure from vibration or drops, routes water away from critical components and out of the pack, minimizes heat to extend run-time & life, operates below -18C/0F. Forward and backward compatible with 60+ M18™ tools. REDLINK™ Intelligence: provides optimized performance and overload protection using total system communication between tool, battery and charger Best-in-class construction: offers long-lasting performance and durability Fuel gauge Onboard: displays remaining runtime for less downtime on the job All-weather performance: delivers fade free power in extreme jobsite conditions Versatility: powers more than 60 Milwaukee® M18™ cordless power tools Milwaukee Tool is committed to protecting The users's investments by providing high performing, trade-focused solutions that are fully compatible with M18™ REDLITHIUM™ batteries. The M18™ system has over 200 performance-driven solutions, and growing!