16.8V battery conversion kit for radio controlled trains.  Includes battery, 70 minute fast chager, all required jacks, connectors and switches. Allows for rapid in locomotive battery charging, no need to remove the battery for charging. Suitable for use with any on board radio control system including Aristo 75Mhz and 2.4GHZ systems, AIrwire, etc.  Fused at 2.5 amps.