Lightweight construction allows for more comfortable work, especially in overhead applications. With a capacity of 2.0 Ah, this battery is the smallest power tool battery on the market. GBA Extended Run Time 12v By using high quality Li-ion cells, 2.0 Ah batteries have at least 50% more run time than existing 1.3 Ah batteries. 12V Professional System: All Bosch Blue Li-ion tools and chargers in the same voltage class are 100% compatible. Compatible with the 10.8 V and 12.0V Bosch Cordless Tool Line (Tubular Battery Version). The battery voltage is 12V, and the weight is 175 g. Extremely durable: fully functional after a 3-meter drop onto concrete.