JVA comes with state-of-the-art agricultural energizer that comes in 2 different types: Mains Powered or Solar Powered energizer. Both cater for different types of applications. The coverage area ranging from 1km to 12km should cover most farm range. The JVA SV10 solar energizer makes animal control a breeze. The integrated solar panel and battery saves time and money and is designed to be easily portable and maintenance free.