THE NEWEST MILWAUKEE 18V LITHIUM-ION BATTERY WORKS ON THE M18 CORDLESS TOOL SYSTEM AND HAS 4.0 AMP HOURS OF RUN-TIME. THIS BATTERY POWERS OVER 40 MILWAUKEE M18 CORDLESS TOOLS. MILWAUKEE’S M18 REDLITHIUM XC4.0 PROVIDES UP TO 2X MORE RUN-TIME, 20% MORE POWER AND 2X MORE RECHARGES THAN A STANDARD LITHIUM-ION BATTERY. REDLITHIUM XC4.0 ALSO DELIVERS BEST-IN-CLASS PERFORMANCE IN EXTREME JOB-SITE CONDITIONS. WITH MILWAUKEE DURABILITY BUILT INTO EACH PACK, THE REDLITHIUM XC4.0 BATTERY OPERATES COOLER AND PERFORMS IN CLIMATES BELOW 0F/-180C WITH FADE FREE POWER.