Speedrite 1000 Energizer, 12V/110V, 1.0 Joule 1200HD Built to resist sun damage

Built to resist sun damage and stay strong through years of repeated field use — not just a season or two

Sold as a 100-foot roll

less fatigue

Shows actual fence voltage in kilovolts at every test point — precise readings instead of analog approximations

Speedrite 1000 Energizer, 12V/110V, 1.0 Joule 1200HD Built to resist sun damageNot sure if 1 joule is the right size for your fence? Use our free electric fence charger sizing calculator answer 5 questions and get a matched recommendation. Reliable 1 Joule Power for Smaller Fencing Systems Mains, Battery, or Solar Not every operation needs a 12 joule powerhouse. For smaller paddocks, cross fencing, or starter setups, the Speedrite 1000 Energizer delivers clean, consistent 1 joule output with the flexibility to run on mains