Online Only, If you currently purchase ADS181-101 you will receive 18-Volt Lithium Ion Battery (BAT609). The Bosch ADS181-101 features a High Performance Motor - Produces best-in-class torque to complete demanding applications. High Performance Motor - For increased performance, longer life and higher stall torque. All Metal Gearboxes For maximum durability and increased performance. Auto Lock 1/2 in. Ratcheting Chuck Maximum range of applications from drilling to driving. Compact Head Length - For drilling and driving in tight places.