Flat ended 110 volt charger for Tri-Tronics Trainers with the on/off from the transmitter using the zero setting. Includes the Sport 50, 60, Multi Sport, Field 70, Classic 70, Flyway, Pro 100-200-500, Upland Trainers.
Also works with Petsafe/Sport Dog SD-350/SD-400/SD-800 models
This is an aftermarket charger with two leads. The original Tri-Tronics charger had just one lead.