Ryobi P108 One+ 18V 4.0AH Lithium Ion Battery and P117 One+ Dual Chemistry Lithium Ion and NiCad Battery Charger (2 Piece Combo Set) - Amazon.com
Ryobi P117 One+ 18 Volt Dual Chemistry IntelliPort Lithium Ion and NiCad Battery Charger (Battery Not Included, Charger Only) - Power Drill Accessories - Amazon.com
RYOBI ONE+ 18V Dual Chemistry IntelliPort Charger P117 - The Home Depot