Redlink; intelligence: provides optimized performance and overload protection using total system communication between tool, battery and charger best-in-class construction: offers long-lasting performance and the best protection against jobsite conditions Fuel gauge onboard: displays remaining run-time versatility: powers more than 150 m18™ cordless solutions The m18™ red lithium; high output trade; HD12. 0 battery pack provides 50% more power and runs 50% cooler versus m18™ red lithium; HD battery packs. The massive increase in power elevates the performance of the entire m18™ system and drives the next breakthrough in M18 fuel & trade; , generating the power of 15A 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™ red lithium; high output trade; HD12. 0 is the best performing cold weather pack ever made, providing increased power in extreme cold weather conditions (below 0F/ -18C). it provides the most work per charge of any professional power tool battery in the industry, driving full corded replacement on the jobsite. The red lithium; high output trade; HD12. 0 battery is fully compatible with 150+ m18™ solutions.