This M18 M18 Red Lithium XC5.0 Starter Kit (48-59-1850) from Milwaukee helps keep your power tools running. It can be used to power more than 60 Milwaukee M18TM cordless power tools for impressive versatility, and chargers all M12 and M18 battery packs impressively quick. It boasts REDLINK Intelligence for optimized performance and overload protection using total system communication between the tool, battery and charger. Plus, its best-in-class construction offers long-lasting performance and durability, while the fuel gauge onboard displays remaining runtime for less downtime on the job.