DEWALT XR 20-V 2-Pack 5 Amp-Hour; 5 Amp-Hour Lithium-ion Battery and Charger (Charger Included) in the Power Tool Batteries & Chargers department at Lowes.com
DEWALT 20V MAX Battery, 6 Ah, 2-Pack, Fully Charged in Under 90 Minutes (DCB206-2) - Amazon.com