Our most powerful and feature rich electric fence energiser; the Jumbo Mains Battery (JMB) series is designed for large permanent Electric Fencing applications. The JMB series combines Energiser and Monitor technologies, and produces up to 46J of stored energy. This is currently the world’s largest battery powered IP Energiser™ and continues JVA’s push for technical superiority in the area of Monitored Electric Fencing and IP Energisers®.

JVA’s JMB Energisers feature built in Wi-Fi technology for easy connectivity, and improved monitoring and control capabilities. The range includes JVA’s signature ‘Power on Demand’ technology to only use the power required for the fence line, and ramp up power when required. The Jumbo Range also contains a Ground (Earth) monitor which can alert if the earth system is not sufficient. Additionally, they measure feed, return and ground voltages, and incorporate Distant Fault Detection (DFD™) technology to continue the energisers fault detection beyond the 10km limit of other energisers.