Ryobi P117 One+ 18 Volt Dual Chemistry IntelliPort Lithium Ion and NiCad Battery Charger (Battery Not Included, Charger Only) - Power Drill Accessories - Amazon.com
UpStart Battery Ryobi P501 Battery + Charger + EU Adapter - Replacement Ryobi 18V Battery, Charger and EU Adapter (1300mAh, NICD)