The JMB series is the most powerful and feature rich electric fence energizer JVA has manufactured to date. This continues JVA’s push for technical superiority in the area of Monitored Electric Fencing and IP Energizers®. While the JMB energizers were specifically designed for game parks and exclusion fencing, they are also well suited to any large permanent electric fencing application. The JMB series generates up to are markable 46J of stored energy, currently the world’s most powerful battery powered energizer.