THIS STARTER KIT INCLUDES A M18 REDLITHIUM XC5.0 BATTERY AND A M18 & M12 MULTI-VOLTAGE CHARGER. M18 REDLITHIUM XC5.0 BATTERY FEATURES UP TO 2.5X MORE RUN-TIME UP TO 20 MORE POWER UP TO 2X MORE LIFE OPERATES BELOW 0 degreesF REDLITHIUM PROTECTION FROM VIBRATION & IMAPACT WATER AND THERMAL CONDITIONS M18 & M12 MULTI-VOLTAGE CHARGER FEATURES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" ACCEPTS ALL M18 & M12 BATTERY PACKS ONE CHARGER FOR OVER 120 CORDLESS SOLUTIONS ON THE M18 & M12 SYSTEMS