{"product_id":"tueletfu-4-awg-battery-cables-4ft-set-pure-copper-3-8-lugs-red-black","title":"TUELETFU 4 AWG Battery Cables 4ft Set — Pure Copper, 3\/8\" Lugs, Red \u0026 Black","description":"\u003cstrong\u003eTUELETFU 4 AWG battery cables are a two-piece, 4-foot set of pure copper power leads with 3\/8\" lugs, built for DC power connections in vehicles, solar systems, and marine applications.\u003c\/strong\u003e\n\n\u003cp\u003eThese heavy-duty 4 AWG leads provide a durable, low-resistance link between batteries and inverters, starters, amplifiers, or grounding points. Each pack includes one red and one black cable, factory-terminated with solid copper lugs plated for corrosion resistance and heat-shrink sealed ends for improved insulation and weather protection. The length and gauge make this set a common choice for many automotive, marine, RV, and off-grid wiring needs where reliable current flow matters.\u003c\/p\u003e\n\n\u003ch3\u003eWill these cables work for my car, RV, boat, or solar inverter?\u003c\/h3\u003e\n\u003cp\u003eYes — the 4 AWG gauge is suitable for medium-current DC runs such as battery-to-inverter, battery banks, and amplifier feeds in many vehicles and small to mid-size solar setups. Confirm the 3\/8\" lug hole matches your terminal stud size and that 4 feet of length fits your routing layout before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGauge: 4 AWG — supports medium DC currents with low voltage drop.\u003c\/li\u003e\n  \u003cli\u003eLugs: 3\/8\" hole — fits many battery posts and terminal studs.\u003c\/li\u003e\n  \u003cli\u003eLength: 4 feet per cable — check clearance and routing needs.\u003c\/li\u003e\n  \u003cli\u003eApplications: car, truck, motorcycle, RV, boat, solar, audio amplifiers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow are these cables constructed and protected?\u003c\/h3\u003e\n\u003cp\u003eThe conductors are assembled from pure copper for efficient conductivity, and each lug is a solid copper piece with a tin-plated surface to resist oxidation. The cable ends are finished with heat-shrink tubing to seal the termination against moisture and to improve mechanical stability at the crimp point.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePure copper core for reliable electrical flow.\u003c\/li\u003e\n  \u003cli\u003eTin-plated copper lugs reduce corrosion over time.\u003c\/li\u003e\n  \u003cli\u003eHeat-shrink sealed terminations for added insulation.\u003c\/li\u003e\n  \u003cli\u003eDurable outer jacket for flex and abrasion resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat practical benefits does choosing this 4 AWG pair bring?\u003c\/h3\u003e\n\u003cp\u003eUsing appropriately sized cables reduces voltage drop, improves device performance, and helps maintain safe operating temperatures under load. Buying a matched red\/black pair simplifies polarity identification and speeds installation while ensuring consistent electrical characteristics between positive and negative runs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLower voltage loss compared with smaller gauges on short runs.\u003c\/li\u003e\n  \u003cli\u003eMatched pair makes polarity and routing simple and safe.\u003c\/li\u003e\n  \u003cli\u003ePre-terminated ends save time and ensure consistent crimps.\u003c\/li\u003e\n  \u003cli\u003eSuitable for many common DC projects without custom fabrication.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? These TUELETFU 4 AWG battery cables suit DIY installers, mechanics, boat owners, RV travelers, and solar hobbyists who need a ready-to-use, medium-gauge power connection. If you require longer runs, larger current capacity, or different lug sizes, consider selecting alternate lengths or gauges — but for many typical vehicle and small-system applications, this 4-foot red and black set is an economical, dependable choice.\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: Are the lug holes 3\/8 inch compatible with battery posts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the lugs have 3\/8\" holes which fit many battery terminal studs; verify your terminal size before installing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these cables come as a matched positive and negative pair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the set includes one red and one black 4 AWG cable, each 4 feet long and pre-terminated.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TUELETFU","offers":[{"title":"Default Title","offer_id":48086352396446,"sku":"B0B3X9YBT6","price":45.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/tueletfu-front-pair-battery-cables.jpg?v=1785896004","url":"https:\/\/northtrailauto.ca\/products\/tueletfu-4-awg-battery-cables-4ft-set-pure-copper-3-8-lugs-red-black","provider":"North Trail Auto","version":"1.0","type":"link"}