The Gallagher S80 0.8-Joule Lithium Solar Energizer helps with precision pasture allocation and adaptive livestock control. A compact, portable, fast charging and long-lasting solar fence energizer that's designed to put more power in the hands of our customers. An internal lithium battery, a highly efficient solar panel, intelligent adaptive energy control and robust construction come together to provide unparalleled performance and reliability. Protected with a 3-year warranty, the market-leading lithium solar energizers continue to take portable electric fencing to new levels. Keep your fencing in good working order with this solar energizer.