This comprehensive repair guide provides step-by-step instructions on how to rebuild your Ryobi NiCad batteries. Learn how to effectively revitalize your worn-out Ryobi power tool batteries in less than five minutes, saving you time and money. The guide utilizes a simple and efficient DIY approach that can be applied to all Ryobi NiCad batteries, regardless of the specific power tool model. This technique is designed exclusively for NiCad batteries and should not be used with other battery types.