Ryobi P189 18 Volt 1.5 Ah One+ Lithium-Ion Cordless Compact Rechargeable Quick-Release Battery (New Open Box) - Walmart.com
RYOBI ONE+ 18V Cordless Battery 2 Gal. Chemical Sprayer and Backpack Holster with 2.0 Ah Battery and Charger P2830-H - The Home Depot | Ryobi, Sprayers, Holster