- Works with all 12 volt batteries
- Exclusive triple protection
- Made in the USA with lifetime replacement warranty on product
- Battery does not have to be disconnected
- Works on all domestic and foreign vehicles (Do not use on hybrids).
Pro-Tec Surge Suppressor protects all relay switches and computers when mig welding while battery is still connected. Disconnecting battery loses important computer memory and does not protect relay switches within 2 feet of mig welding. By attaching the Pro-Tec Surge Suppressor you're protected against any transient voltage spikes.