M18 FUEL drywall screw gun， Model No. 2866-20， features AUTO START functionality and delivers longer run time than other cordless drywall screw guns. The POWERSTATE brushless motor spins at 4500 rpm resulting in faster productivity. With REDLINK PLUS intelligence， the AUTO START feature automatically starts the motor on contact with drywall providing less noise between screws and 3 times longer run time. Delivers the balance and weight desired by professionals for all day use. The M18 REDLITHIUM 5.0 Ah compact battery pack， Model No. 48-11-1820， features REDLINK intelligence to provide optimized performance and overload protection using total system communication between tool， battery and charger. The best-in-class construction offers long lasting performance and durability. The onboard fuel gauge displays remaining run time for less down time on the job. All-weather performance delivers fade-free power in extreme job site conditions. The M18 & M12 multi-voltage charger， Model No. 48-59-1812， offers single unit simplicity by quickly charging all M12 and M18 battery packs. This unit charges batteries sequentially， reducing time to manage charge cycles. The charger communicates directly with the battery pack to monitor cell voltage， temperature and charge status to ensure a full charge. Powers up Milwaukee compact batteries in 30 minutes and extended capacity batteries in 60 minutes.