{"product_id":"cmrdqd-250a-12v-remote-battery-disconnect-switch-with-led-voltage-display-2-remotes-negative-terminal-mount","title":"CMRDQD 250A 12V Remote Battery Disconnect Switch with LED Voltage Display — 2 Remotes, Negative-Terminal Mount","description":"\u003cp\u003e\u003cstrong\u003eCMRDQD 250A 12V Remote Battery Disconnect Switch is a remote-controlled kill switch with a real-time LED voltage readout designed to protect 12V batteries and prevent parasitic drain.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact negative-terminal battery disconnect gives you remote control over your vehicle's electrical feed while showing live battery voltage. Built to fit many 12V gasoline vehicles and recreational platforms, the unit uses a magnetic relay rated for 250 amps to interrupt the main negative circuit safely. It includes two remotes, mounting hardware, and two copper connection bars so you can position it vertically or horizontally on the battery post or terminal block.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the voltage display help manage battery health?\u003c\/h3\u003e\n\u003cp\u003eThe bright LED readout continuously shows the battery’s voltage so you can judge charge state at a glance. The switch automatically cuts power if voltage remains below a safety threshold to avoid deep discharge, and it disables remote shutdown while charging to prevent accidental cutouts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReal-time LED voltage monitoring\u003c\/li\u003e\n  \u003cli\u003eAutomatic power cutoff after sustained low-voltage event\u003c\/li\u003e\n  \u003cli\u003eRemote disable above charging voltage to avoid shutdown during charge\u003c\/li\u003e\n  \u003cli\u003eClear numeric readout for quick diagnostics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this work on my vehicle or boat?\u003c\/h3\u003e\n\u003cp\u003eDesigned for broad 12V compatibility, the CMRDQD switch fits most gasoline cars, light trucks, ATVs, UTVs, small boats, trailers, RVs and motorcycles with batteries under about 4.0L. Confirm terminal clearance and physical dimensions before installing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with standard 12V lead-acid systems\u003c\/li\u003e\n  \u003cli\u003eAccepts 9–13 mm and 15–17 mm negative terminals\u003c\/li\u003e\n  \u003cli\u003eCompact footprint: approximately 3.3 × 2.4 × 1.4 inches\u003c\/li\u003e\n  \u003cli\u003eSuitable for vehicles and recreational gear with up to 250A load needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does installation and mounting work?\u003c\/h3\u003e\n\u003cp\u003eThe device installs on the negative side of the battery using two included copper bars and mounting tools. It supports vertical or horizontal mounting to fit a variety of battery layouts, and the package includes two push-button remotes so you can cut power from a short distance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNegative-terminal installation for safety and compatibility\u003c\/li\u003e\n  \u003cli\u003eTwo copper connection bars for flexible orientation\u003c\/li\u003e\n  \u003cli\u003eTwo simple tools included to speed setup\u003c\/li\u003e\n  \u003cli\u003eFollow product images and instructions; disconnect power before starting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety and operational limits should I know?\u003c\/h3\u003e\n\u003cp\u003eThe internal magnetic relay is rated for continuous 250A and is intended to interrupt typical vehicle loads but not designed as a primary fuse. The unit disables remote shutdown when the sensed voltage indicates charging, reducing the chance of cutting power while driving or when alternator output is present.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e250A relay rating for heavy accessory loads\u003c\/li\u003e\n  \u003cli\u003eRemote control locked out above the high-voltage threshold\u003c\/li\u003e\n  \u003cli\u003eAutomatic 120-second delay before low-voltage shutdown to avoid nuisance trips\u003c\/li\u003e\n  \u003cli\u003eNot a replacement for properly sized system fuses and circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The CMRDQD 250A 12V remote battery disconnect is suited for vehicle owners, boaters, RVers and powersports enthusiasts who want simple, remote battery isolation, easy voltage monitoring, and theft\/theft-deterrent functionality. It’s especially helpful for owners who park long-term, have aging batteries or add aftermarket electronics, and for anyone who needs a compact, mountable solution that fits a wide range of 12V systems. Always check terminal dimensions and battery layout before purchase and follow safe installation practices.\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: Does this switch fit any 12V battery terminal?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits most 12V systems and accepts 9–13 mm and 15–17 mm negative terminals; verify terminal size before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will the remote cut power while the engine is charging?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No — the remote shutdown is disabled above the charging voltage threshold to prevent accidental cuts while driving.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CMRDQD","offers":[{"title":"Default Title","offer_id":48082906710174,"sku":"B0DS1V2BDN","price":64.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/cmrdqd-front-view-switch-mounted-on-battery.jpg?v=1785819138","url":"https:\/\/northtrailauto.ca\/products\/cmrdqd-250a-12v-remote-battery-disconnect-switch-with-led-voltage-display-2-remotes-negative-terminal-mount","provider":"North Trail Auto","version":"1.0","type":"link"}