DEWALT POWERSTACK 20-Volt 2-Pack 1.7 Amp-Hour; 1.7 Amp-Hour Lithium-ion Power Tool Battery in the Power Tool Batteries & Chargers department at Lowes.com
RYOBI 40V Brushless 20 in. Cordless Battery Walk Behind Push Lawn Mower with 6.0 Ah Battery and Charger RY401110-Y - The Home Depot