DEWALT 12-Volt 2-Pack 3 Amp-Hour; 5 Amp-Hour Lithium-ion Power Tool Battery (Charger Included) in the Power Tool Batteries & Chargers department at Lowes.com
DeWALT DCBP034C 20V MAX PowerStack and 12V / 20V charger kit
New DeWalt Genuine DCB115 Rapid 12V 20V MAX Li-Ion Cordless Battery Charger Fast | eBay