This product is a dual purose 2 Joule model. This energizer runs on 110 volt ac or 12 volt battery power. The P20 will control 50 miles of fence or 200 acres. It can be used with a 20 watt solar panel and a 12 volt battery (both not included).
Multi-Powered Electric Fence Charger:This electric fence charger delivers 2J/3J/5J of powerful shock to prevent animal intrusions, ensuring the safety of farms and livestock. It supports AC, DC, and solar power options. The display screen shows real-time work status, voltage, and discharge intervals, and includes an alarm system.