Milwaukee® M18™ HIGH OUTPUT™ Starter Kit, Bare Tool/Kit: Kit, Li-Ion Battery, 12 Ah Battery, 18 VAC Charge, 12 Ah Charge Current, 2 hr Charging, For Use With: M18™ Models, 6.8 in L x 6.75 in W x 5.53 in H Dimensions

The M18™ REDLITHIUM™ high output HD12 battery pack provides 50% more power and runs 50% cooler vs M18™ REDLITHIUM™ HD battery packs. The massive increase in power elevates the performance of the entire M18™ system and drives the next breakthrough in M18™ fuel, delivering the power of 15 A corded product. It delivers fade free power and runs substantially cooler through heavy applications, allowing tradesmen to push their cordless tools harder and longer than ever before. The M18™ REDLITHIUM™ high output HD12.0 and high output XC6 are the best performing cold weather packs ever made, providing increased power in extreme cold weather conditions (below 0 deg F/-18 deg C). It provides the most work per charge of any professional power tool battery in the industry, driving full corded replacement on the jobsite. The REDLITHIUM™ high output HD12.0 and high output XC6 batteries are fully compatible with 150 plus M18™ solutions.