Improving run-time, power and speed; the M12(TM) XC High Capacity REDLITHIUM(TM) Battery will provide 2X the run-time and increased performance as compared to the M12(TM) Compact REDLITHIUM(TM) battery pack in all M12(TM) tools. Milwaukee REDLITHIUM(TM) batteries are the next generation in Lithium Ion technology. Compatible with all products in the M12 Cordless tool system, REDLITHIUM(TM) battery packs will provide unmatched runtime, performance and durability for the professional tradesman. | Milwaukee Tool M12 REDLITHIUM XC Battery Two Pack 48-11-2412