{"product_id":"nvx-microprocessor-controlled-500a-battery-isolator-low-resistance-700a-surge","title":"NVX Microprocessor-Controlled 500A Battery Isolator — Low-Resistance, 700A Surge","description":"\u003cp\u003e\u003cstrong\u003eNVX Microprocessor-Controlled 500 Amp is a high-current mobile audio relay and battery isolator designed to feed a dedicated audio battery without introducing voltage drop.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eEngineered for car audio enthusiasts and professional installers, this NVX unit uses a microprocessor to manage battery isolation and charging with precision. It routes charging current to a second, dedicated battery for your stereo system while preventing the engine start battery from draining. Compared with traditional diode isolators that reduce voltage to the accessory battery, the NVX solution preserves charging efficiency and delivers reliable high-current performance for powerful amplifiers and long listening sessions.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the NVX isolator keep my audio battery charged without voltage loss?\u003c\/h3\u003e\n\u003cp\u003eThe microprocessor-controlled relay senses system voltage and engages a low-resistance connection only when safe charging conditions exist, avoiding the voltage drop common to diode-based isolators. That means your audio battery receives nearly full charging voltage for faster, more complete replenishment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid-state switching managed by a microprocessor for precise engagement\u003c\/li\u003e\n  \u003cli\u003eLow-resistance relay path — no diode-based voltage drop\u003c\/li\u003e\n  \u003cli\u003eOperates across a 10–16 VDC switching window to match typical vehicle systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat current levels and surge capacity does it support for powerful audio systems?\u003c\/h3\u003e\n\u003cp\u003eThis NVX unit is rated for continuous 500 amps at 12V, with a 700-amp surge capability to tolerate amplifier turn-on demands. Those ratings suit high-power setups where large alternator output and robust wiring are present.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e500 A continuous current handling for sustained loads\u003c\/li\u003e\n  \u003cli\u003e700 A surge handling to absorb initial inrush from amplifiers\u003c\/li\u003e\n  \u003cli\u003eDesigned for mobile audio environments and heavy-duty installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow efficient and safe is the device while it’s active?\u003c\/h3\u003e\n\u003cp\u003eThe isolator draws under 1 amp when engaged, minimizing parasitic drain on your vehicle’s electrical system. Built-in switching thresholds and smart control reduce unnecessary cycling, improving overall system reliability and helping protect both batteries.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u0026lt;1 amp standby draw to conserve vehicle power\u003c\/li\u003e\n  \u003cli\u003eMicroprocessor logic prevents improper connections during engine start or low-voltage events\u003c\/li\u003e\n  \u003cli\u003eWorks within 10–16 VDC so it won’t engage outside safe voltages\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Installers and enthusiasts who run aftermarket amplifiers, subs, or extended audio sessions will benefit most from the NVX Microprocessor-Controlled 500 Amp isolator. If you want a dedicated stereo battery that charges efficiently without the typical voltage loss of diode isolators — and you need a solution built for heavy currents and occasional surge events — this NVX unit is purpose-made for high-power mobile audio systems and professional installations.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will the NVX isolator cause a voltage drop to my audio battery?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The microprocessor-controlled relay provides a low-resistance path so the audio battery receives near-full charging voltage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What voltage range and current can this unit handle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It switches between 10–16 VDC, handles 500 A continuous at 12V, and tolerates 700 A surge events.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NVX","offers":[{"title":"Default Title","offer_id":55170564915543,"sku":"B084VTXN9B","price":113.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/nvx-front-panel.jpg?v=1790430883","url":"https:\/\/britishgarage.co.uk\/products\/nvx-microprocessor-controlled-500a-battery-isolator-low-resistance-700a-surge","provider":"British Garage","version":"1.0","type":"link"}