Power your compact batteries in 30 minutes and extended capacity batteries in 60 minutes. The Milwaukee 48-11-2420 REDLITHIUM 2.0 also delivers best-in-class performance in extreme job-site conditions. With Milwaukee durability built into each pack, the REDLITHIUM 2.0 battery operates cooler and performs in climates below -18-degree C/0-degree F with fade free power. 48592420 48-59-2420