Bosch GDX18V-1860CB15 18-volt 1/4-in; 1/2-in Brushless Cordless Impact Driver (1-Battery Included, 4 Ah Lithium Ion (li-ion) Batteries, Charger Included and Soft Bag included) in the Impact Drivers department at Lowes.com
More powerful with an even more compact size: New cordless impact drivers from Bosch for professionals - Bosch Media Service
Bosch GDX18V-1860CB15 18-volt 1/4-in; 1/2-in Brushless Cordless Impact Driver (1-Battery Included, 4 Ah Lithium Ion (li-ion) Batteries, Charger Included and Soft Bag included) in the Impact Drivers department at Lowes.com
BOSCH GDX18V-1800B12 18V Two-In-One 1/4 In. and 1/2 In. Bit/Socket Impact Driver/Wrench Kit with 2 Ah Standard Power Battery - Amazon.com
GDX 18V-200 C Cordless Impact Driver/Wrench | Bosch Professional