Bosch 18-volt 1/2-in Keyless Brushless Cordless Drill (1-Battery Included, 2 Ah Li-ion Batteries, Charger Included and Soft Bag included) in the Drills department at Lowes.com
Bosch GSR 18-2-LI Electric motor repair guide - YouTube
GSR 180-LI Cordless Drill/Driver | Bosch Professional