Milwaukee M18 REDLITHIUM 48-59-1200 Battery and Charger Starter Kit, 120 VAC Input, 18 V Output, 12 Ah, 2 hr Charge

The M18 REDLITHIUM" HIGH-OUTPUT" HD12.0 battery pack provides 50% more power and runs 50% cooler versus M18" REDLITHIUM" HD9 battery packs. The massive increase in power elevates the performance of the entire M18" system and drives the next breakthrough in M18 FUEL