ROBERT BOSCH GXS18V-11N25

CORE18V Starter Kit - (2) 4.0 Batteries and Charger. LIGHTWEIGHT SOLUTION: Core18V 4 ah battery allows you to get the power and lose the weight in a compact battery. COMPACT CHARGER DESIGN: Gets users power ready fast with a lightweight, compact solution. POWER AND RUNTIME: Battery delivers 2x the runtime and 60% more power compared to bat612 18v 2 ah battery. HIGH-POWER LITHIUM-ION CELLS: Features a single layer of enhanced 21700 cells for greater battery efficiency. CUTTING-EDGE BATTERY DESIGN: Includes copper end plates, power rails and a flexible circuit board for reduced resistance and increased efficiency. BOSCH-EXCLUSIVE COOLPACK 2.0 TECHNOLOGY: Cools the battery and helps provide longer battery lifetime compared to non-coolpack bosch 18v batteries. COMPACT OPERATION: Battery weighs only 1.10 lbs. but provides power for standard to medium-duty applications, such as drilling into concrete, metal and wood; metal grinding; cutting and even light-duty chipping. 4-AMP CHARGING CURRENT: Delivers 2x the charging current compared to the gal18v-20 standard charger.