Rutland ESD 4500 Electric Fence Energiser The Rutland ESD 4500 Electric Fence Energiser is a very powerful DUO energiser designed for both mobile and stationary electric fencing systems . Built to deliver strong and reliable fence performance, this energiser is ideal for longer fence lines and areas where vegetation may be present along the fence. The Rutland ESD 4500 Electric Fence Energiser provides very high output power , making it suitable for controlling robust livestock such as cattle, horses, and sheep while also maintaining effective fence voltage over extended distances. Its strong performance ensures the electric fence remains reliable even when vegetation places additional load on the fence line. Designed with modern technology, the Rutland ESD 4500 Electric Fence Energiser uses microprocessor-controlled electronics to ensure accurate and dependable operation. An integrated energy-saving mode helps optimise power consumption, extending battery life during use while maintaining effective fence performance. The energiser includes a fence monitoring indicator that allows users to quickly check fence voltage levels, as well as a separate battery indicator to monitor battery