These characteristics are important as they determine how easy the drill is to handle and how tight a space it can fit into. Corded models generally have larger motors, which makes them heavier and bulkier. Corded models must be plugged into a 120-volt power outlet, while cordless models take their power from lithium-ion batteries. As… Continue reading DeWALT 20V MAX Cordless Drill and Impact Driver, Power Tool Combo Kit with 2 Batteries and Charger, Yellow