Upgrade Dewalt 14.4v Drill to Use 18v Battery : 3 Steps - Instructables
Dewalt DCB101 14.4V-18V MAX Lithium Battery Charger For Drill/Sawith Grinder - Overstock - 15961232
For Dewalt 20V fan, cordless fan powered by Dewalt 14,4V-20V Max/Cord DC battery, silent brushless fan, 270° head rotation, outdoor construction fan with 3 speeds, 4H timer, hanging hook. - Walmart.com