At Home Depot, purchase a select DeWalt Power Tool or Power Tool Set and get a DeWalt Battery or DeWalt Tool for free. (The bundled freebie will be as noted and pictured on the product page.) Plus, these items all receive free shipping.

Buy Now

A couple of best bets:
-- DeWalt 20V Max XR Li-ion Cordless 3-Speed 1/4" Impact Driver w/ Battery for $129 ($14 low)
-- DeWalt 20V Max XR Li-Ion Cordless Deck Gun w/ Battery for $169 (pictured, $71 low)