The O'Briens 0.31 Joule Solar Electric Fence Charger provides dependable, portable power for livestock and garden fencing systems. With the ability to energize up to 20 miles of wire or 60 acres, this solar energizer is ideal for small to medium farms, homesteads, and backyard setups. Designed for both containment and exclusion, it safely manages goats, poultry, horses, dogs, and other animals while deterring nuisance intruders such as deer, raccoons, and rabbits. Its balanced 0.31-joule output delivers effective power without being overwhelming, making it suitable for a wide variety of fencing systems. What sets this energizer apart is the adjustable front dial. Switch to 1/2 power mode for small pens, pets, or garden enclosures where a lighter charge is sufficient, and use full power mode for larger pastures and tougher conditions. This flexibility helps conserve battery life and ensures the energizer is matched to your specific fencing needs. The unit features a built-in solar panel and rechargeable battery, providing reliable, cordless operation day and night, even in cloudy conditions. It's the perfect solution for remote pastures, mobile setups, and rotational grazing systems where portability matters most. Built for outdoor performance, the O'Briens solar energizer includes a rugged, weather-resistant housing, UV protection, LED status indicators, and simple controls that make monitoring and adjustment easy. Installation is quick and flexible the unit mounts easily to T-posts, wooden posts, or panels. Backed by US-based customer support and warranty coverage, O'Briens delivers the quality and peace of mind you need to keep animals secure and property protected. For homesteaders, ranchers, and backyard owners alike, this solar energizer combines portability, flexibility, and reliable power.Fence and Ground Output Leads Included