When you're about to take on a new project you can always find use for an impact wrench. The impact wrench runs on a rechargeable battery, so it's cordless.
From OnBuy
Makita Impact Wrench Brushed DTW450Z 18V Li-Ion LXT 18V Cordless Body Only
HSS Toolshop
Makita DTW450Z LXT 18V Li-Ion ½" Impact Wrench (Body Only)