I show how to convert a USA Trains S4 Locomotive from DC (Direct Current, track power with a transformer) to Battery Power and Remote Control Decoder using the following:

1) USA Trains http://usatrains.com/
2) Charles Ro (one way to purchase USA Trains & Track) https://charlesrocom.3dcartstores.co...
3) CVP Products (Controllers & Decoders / Receivers) https://www.cvpusa.com/
4) Garden Railroad Supply (one way to Purchase CVP Products) https://www.gardenrrsupply.com/brands...