POWER-GATE Solid State Relays and Dual Battery isolators are constructed based on our patented arrayed MOSFET technology. Smart alternators, engine start-stop features, and alternator load shedding architecture to increase fuel economy are just some of the vehicle idiosyncrasies Perfect Switch is tasked with handling on a day-to-day basis. We manufacture different devices with firmware onboard to seamlessly mesh with new and sophisticated charging systems. Contact us to discuss your truck or fleet application.