Made in USA This item replaces the SP30. Controlling all types of animals, even predators. This fence charger is the most powerful solar powered fence charger made in the USA. Operates day and night up to 2 weeks with no sun. Our Zareba® 30 Mile Solar Low Impedance Fence Charger is the most powerful solar powered fence charger made in the USA. It is capable of operating day and night up to 2 weeks with no sun and can work in heavy weed conditions. This charger cattle, horses, goats, pigs, sheep, wolves, deer and other animals. Features include: a solar setting switch for optimum performance and battery life, 12-volt battery (included), flashing "Fence OK" light to let you know the charger is working, solar panel rating of 12 volts/5 watts. 0.55 stored joule, 0.5 joule output at 400 ohms. Comes with a 2-yr warranty that includes damage caused by lightning.