RYOBI ONE+ 18V Lithium-Ion 2.0 Ah Compact Battery (2-Pack) with 18V Lithium-Ion Charger PCL202KN - The Home Depot
Ryobi P117 One+ 18 Volt Dual Chemistry IntelliPort Lithium Ion and NiCad Battery Charger (Battery Not Included, Charger Only) - Power Drill Accessories - Amazon.com