DeWALT 20V MAX 14 in. Brushless String Trimmer Kit with 5Ah Battery and Charger, DCST922P1 at Tractor Supply Co.
DEWALT 12-Volt 5 Amp-Hour; Lithium Power Tool Battery in the Power Tool Batteries & Chargers department at Lowes.com
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