Energizer S400Gallagher's S400 Solar energizer is a fully portable and built to power up to 60 miles 280 acres of clean fence and boasts several solar technology improvements like multiple power options, that make it ideal for both livestock inclusion and wildlife exclusion. The S400 will continue to work up to 2 weeks without the sun. The S400 has a 360 degree mounting capability, making it easy to mount onto a post that is already part of the fence line, no