The 20V one battery system allows you to interchange the battery on all 20V HART products. It powers all HART 20V tools outdoor automotive and lifestyle items. This product comes with a battery and charger. Up to 30% More Power. Up to 20% Faster and Longer Motor Life. 24 position clutch for adjusting torque while driving fasteners. 2-speed gearbox for optimizing speed and control. 1/2 chuck for larger range of accessory options. LED work light and On-Board Bit Storage. Portable storage bag included for easy transport of tools. Includes: 1/2 Drill (1) 2Ah 20V Lithium-Ion Battery Fast Charger Double-Ended Bit Belt Clip Storage Bag 14-Piece Titanium Drill Bit Set with Protective Storage Case and Operator s Manual. Included in 14-Piece Titanium Drill Bit Set: (1) Case (1) 1/16 (1) 5/64 (1) 3/32 (1) 7/64 (2) 1/8 (1) 9/64 (1) 5/32 (1) 11/64 (1) 3/16 (1) 13/64 (1) 7/32 (1) 15/64 (1) 1/4