DEWALT 20-Volt 4-Pack 2 Amp-Hour; 2 Amp-Hour Lithium-ion Power Tool Battery Kit (Charger Included) in the Power Tool Batteries & Chargers department at Lowes.com
ExpertPower Replacement Battery for DeWalt DC9182, DC9181, DC9180, 18V XRP Lithium Ion fits All Dewalt 18 Volt Tools - - Amazon.com
DeWalt De9181 Battery 18v - 1.1ah No Longer Available N057066 - Part Shop Direct
DeWALT Max XR Lithium-Ion 20V 5Ah Battery DCB205 - Walmart.com
2 Pack ExpertPower Replacement Battery for De-Walt DC9182, DC9181, DC9180, 18V XRP Lithium Ion fits All Dewalt 18 Volt Tools - - Amazon.com