The Gallagher 356303 BA-30 is a genuine battery-powered electric fence fencer, engineered for reliable performance in small paddocks and short fence lines. This robust device operates primarily on a 9V battery, with the flexibility for 12V operation when using an appropriate adapter. It delivers 0.2 Joules of output energy from 0.3 Joules stored, effectively energizing up to 3 kilometers of fence without vegetation, 1 kilometer with light vegetation, and 0.3 kilometers with medium vegetation. Featuring a maximum voltage of 2300V and a voltage at 500 Ohm of 1100V, the BA-30 maintains efficient operation with a low power consumption of 25mA, ensuring extended battery life for your fencing needs.