Review on 🔊 Enhance Your Mobile Audio Power with 500Amp Continuous Battery Relay Isolator: Uninterrupted Performance by Joseph Long

I give 4 stars because of the good price. But in reality, it's only $20 cheaper than brand name battery isolators that are proven to work. As long as it does what it's supposed to. Only time will tell if it's really worth the $20 savings. Most other insulators of this type from other manufacturers burn out after about a year. Let's see. I was willing to give him a chance.