🏷️ Basic Information Identification Make: Various Model: Cordless Toothbrush (NiCd Battery Powered) Year: N/A (applies to various years of NiCd powered toothbrushes) Generation: N/A 📋 Manual Details Documentation Manual Type: Repair Guide Language: English Page Count: Unknown Format: Digital/Printable Guide Content Primary Topic: NiCd Battery Rebuilding/Revival Secondary Topic: Cordless Toothbrush Repair 📄 Battery Specs Nicd Technology Battery Chemistry: Nickel-Cadmium (NiCd) Typical Voltage: 1.2V per cell (commonly 2-4 cells in series) Typical Capacity: 500-1500 mAh Recharging Method: Charging base/adapter Common Problems Memory Effect: Susceptible Sulfation: Common cause of failure Cost Analysis Replacement Cost New Battery: $50 - $80 📄 Repair Process Overview Objective: Restore functionality of depleted NiCd batteries Techniques Deep Discharge Recovery: Possible technique Cell Replacement: Possible technique Safety Precautions: Handling of batteries and electrical components Tools Required General Tools: Screwdrivers, soldering iron (potentially) Specialized Tools: Battery testing equipment (optional) 📄 Usage Context Application Primary Device: Cordless Electric Toothbrushes Benefit Cost Savings: Significant compared to buying new batteries