This comprehensive guide offers detailed instructions on how to repair and rebuild your Airtronics NiCd batteries, saving you significant costs compared to purchasing new batteries. The guide covers model-specific information, providing step-by-step instructions on disassembling, inspecting, cleaning, and reassembling your NiCd batteries. Learn how to identify common problems, such as cell damage, corrosion, and internal resistance, and how to address them effectively. The guide includes tips on selecting the right materials and tools for the job, as well as safety precautions to ensure a successful battery rebuild. Whether you're an experienced RC enthusiast or a beginner, this guide will empower you to revive your old NiCd batteries and extend their lifespan, saving you money and allowing you to enjoy your RC vehicles for years to come.