DEWALT 14.4-volt 1/2-in Drill (Charger Included) at Lowes.com
DeWalt DW9091 Replacement 14.4 V Battery from Cole-Parmer
Dual USB Power Source Battery Adapter, TSV 14.4V to 20V Charging Adapter, DC Port LED Work Light and Dual USB Charge, Power Source Supply Fit for Dewalt - Walmart.com