PERFORMANCE: Delivers 50% more runtime and over 75% more power than core18v 4 ah battery, powering high-demand applications HIGH-POWER TURBO CHARGER: Provides fast and faster charging with optional power boost mode BATTERY EFFICIENCY: Features two layers of enhanced 21700 cells for greater battery efficiency BOSCH-EXCLUSIVE COOLPACK 2.0 TECHNOLOGY: Cools the battery and helps provide longer battery lifetime compared to non-coolpack bosch 18v batteries CUTTING-EDGE BATTERY DESIGN: Includes copper end plates, power rails and a flexible circuit board, offering reduced resistance and increased efficiency COMPACT OPERATION: Battery weighs only 2.14 lbs., for the ideal balance of size, weight and power CHARGE-STATUS INDICATOR: Features high resolution for clear visibility COMPATIBILITY: Engineered for 18v and compatible with bosch 18v tools and chargers 16-AMP CHARGING CURRENT: Delivers at least 70% faster charging compared to bosch 18v fast chargers with core18v 8 ah battery POWER BOOST MODE: Boosts electrical current charging to 50% in the shortest time