Rutland ESS 400 Solar Fence Energiser The Rutland ESS 400 Solar Fence Energiser is a highly effective compact solar-powered electric fence unit designed for smaller fencing systems without vegetation. Ideal for farms, paddocks, and small grazing areas, this energiser provides reliable fence performance while operating independently using solar power. The Rutland ESS 400 Solar Fence Energiser is particularly suited for horse paddocks and smaller fence systems , helping maintain secure boundaries where mains power may not be available. Its compact solar design makes it ideal for remote or off-grid installations , delivering dependable fence voltage while using renewable energy. This energiser features intelligent battery management with integrated deep discharge protection , helping protect the battery and extend its service life. If the battery voltage drops below 11.2 volts , the system activates protection mode, indicated by a red flashing light , helping prevent battery damage and ensuring long-term reliability. The intelligent energy management system allows the Rutland ESS 400 Solar Fence Energiser to continue operating for up to two weeks without sunlight , providing dependabl