This 2-Kit features our DCD998 20V MAX XR* 1/2 in. 3-Speed Hammer Drill and DCF887 20V MAX* XR 1/4 in. 3-Speed Impact Driver. This kit comes with one 20V MAX* 8.0Ah lithium ion battery, one 20V MAX* 2.0Ah compact battery and fast charger. The XR Hammer Drill comes with POWERDETECT tool technology maximizing performance when used with high-capacity XR batteries†. Using the 20V MAX* 8Ah battery, the DCD998 Hammer Drill will output up to 29% more power vs. DCD996 Hammer Drill with a DCB205 battery.