Bosch GWS18V-45PCN Brushless Connected-Ready 4-1/2" Angle Grinder, 18V ECThe Bosch GWS18V 45PCN 18V EC Brushless Connected Ready 4 1 2 In. Angle Grinder with No Lock on Paddle Switch combines legendary Bosch grinder performance with connected ready capability. The GWS18V 45Cs efficient EC Brushless motor delivers greater runtime, and it has the capacity to transfer up to 35% more power and up to 110% more runtime using an optional CORE18V battery (sold separately). Add advanced operational electronics, and the tool