Lowe's.com has DeWalt XR 20V Max 2-Pack 5Ah Li-ion Battery + Charger Kit + Select Bonus Tool on sale for $199. Select Free Store Pickup where stock permits.
Note, select your bonus tool by clicking "Select your Free Gift" Box
Example Bonus Tools (Select One): DeWalt XR 20-Volt Max Brushless Variable Speed Keyless JigsawDeWalt 20-Volt Max 6-1/2" Cordless Circular Saw w/ Brake and Magnesium ShoeDeWalt 20-Volt Max Variable Speed Cordless Reciprocating SawDeWalt 4.5" 20-Volt Trigger Switch Cordless Angle GrinderDeWalt 20-Volt Max Jobsite BlowerDeWaltXR 20-Volt Max 1/4" Variable Speed Brushless Cordless Impact DriverDeWalt 1/4" Variable Speed Brushless Fixed Cordless RouterDeWalt XR 20-Volt Max Variable Speed Brushless Drive Cordless Impact Wrench