Make your own RC Car Battery Pack or Repair NIKKO Ni-Cd 6.0V-620mAh - YouTube
4.8v Receiver Battery Packs
BL93NC487 AA500MAH Unitech AA 700mAh Ni-CD AA600mAh McNair Corun Ni-Cd – Battery World
vhbw Mains Power Adapter compatible with Tamiya Plug for RC Batteries with Tamiya Connector, RC Model Making Battery Packs - 200 cm / 4.8 V / 0.25 A | 800107199
easy 4.8v battery pack conversion - YouTube
4.8v USB Battery Charger - Measuring RC Car Battery Charging Time - YouTube