RYOBI ONE+ 18-Volt 12 in. Cordless 3-in-1 Trim Mower with Extra 3-Pack of Spools, 4.0 Ah Battery and Charger P20160-AC - The Home Depot
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RYOBI 80V HP Brushless 42 in. Battery Electric Cordless Zero Turn Mower with Bagger, (2) 80V 10 Ah, (2) 12 Ah 40V Batteries RYRM8021-1A - The Home Depot
18 Volt For Ryobi P108 18V One+ Plus High Capacity Battery Li-ion/NiMH 2.5 -6.0Ah | eBay