RYOBI ONE+ 18V HIGH PERFORMANCE Lithium-Ion 4.0 Ah Battery (2-Pack) PBP2004 - The Home Depot
RYOBI ONE+ 18V HIGH PERFORMANCE Lithium-Ion (2) 4.0 Ah and (2) 6.0 Ah Batteries with (2) 4.0 Ah Lithium-Ion Batteries PBP2004-PBP2007-PBP2005 - The Home Depot
Ryobi 18-Volt One+ High Capacity Lithium+ Battery - Walmart.com