The Speedrite 18000i Unigizer gives 18 output joules in a mains or battery configuration and is designed for farms with up to 90 miles of fence wire....

The Speedrite 12000i Unigizer gives 12 output joules in a mains or battery configuration and is designed for farms with up to 90 miles of fence wire....

The Speedrite 1000 Unigizer gives one output joule in a mains or battery configuration and is designed for farm with up to 10 miles of fence wire. It...