Lowes offers DEWALT POWERSTACK Cordless Hammer Drill 1 -Batteries for $119 (reg. $179) with free shipping.

Product Description:
 Work in tight spaces for long periods of time using the lightweight, compact 20V MAX* Brushless Cordless 1/2 in Hammer Drill/Driver. Its high-speed transmission delivers 2 speed variations allowing users to choose the level of performance needed for various applications. Its comfort grip adds balance and control for precise drilling. This Cordless kit comes with our lightest and most powerful 20V MAX* battery, with 50% more power than the DCB203, and a 25% smaller footprint. The DEWALT® POWERSTACK™ compact battery works with all DEWALT® 20V MAX* power tools and chargers.