Ryobi 18 Volt Ni-Cd/Ni-Mh Battery - Rebuild Service To 3Ah - Power Too — The Battery World Shop
Ryobi P117 One+ 18 Volt Dual Chemistry IntelliPort Lithium Ion and NiCad Battery Charger (Battery Not Included, Charger Only) - Power Drill Accessories - Amazon.com
Rebuilding a Ryobi 18v NiCad Battery – CubicleNate's Techpad