{"product_id":"oukens-3-8-thru-panel-battery-terminal-kit-2-piece-red-black-250a-feed-thru-posts-brass-zinc-sealed","title":"OUKENS 3\/8\" Thru-Panel Battery Terminal Kit — 2-Piece Red \u0026 Black 250A Feed-Thru Posts, Brass\/Zinc Sealed","description":"\u003cstrong\u003eOUKENS two-piece 3\/8-inch thru-panel battery terminal kit provides a secure, easy way to route high-current positive and negative battery leads through a firewall or bulkhead up to 250A.\u003c\/strong\u003e\n\n\u003cp\u003eWhen you need a clean, accessible battery connection on cars, RVs, boats or custom builds, these bulkhead terminal posts give you a dependable feed-through without the clutter of exposed cables. They mount in a standard 3\/8\" (9.5mm) panel hole and include a color-coded red positive and black negative post so you can quickly attach battery cables, grounding straps, or accessory feeds while keeping wiring tidy and protected.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these feed-thru terminals simplify wiring tasks?\u003c\/h3\u003e\n\u003cp\u003eThese connectors bring battery access to the outside of a panel so you don’t have to run bulk cable around or through awkward routes. That makes installations faster, neater, and safer when routing power from a battery compartment to accessories, shore power systems, or remote devices.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMounts into a standard 3\/8\" (9.5mm) hole for consistent fitment\u003c\/li\u003e\n  \u003cli\u003eOne red positive and one black negative for instant polarity identification\u003c\/li\u003e\n  \u003cli\u003eKeeps high-current leads consolidated and anchored at the firewall or bulkhead\u003c\/li\u003e\n  \u003cli\u003eReduces cable abrasion and potential short circuits by moving connections to the panel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and safety features ensure long-term reliability?\u003c\/h3\u003e\n\u003cp\u003eOUKENS designed these posts from corrosion-resistant materials: wear-resistant brass conductors, high-strength zinc alloy housings, and durable rubber seals. A built-in anti-lock mechanism prevents accidental over-tightening or loosening, which helps maintain a consistent electrical connection under vibration and thermal cycling.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBrass studs for sustained conductivity and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eZinc alloy housing for mechanical strength and durability\u003c\/li\u003e\n  \u003cli\u003eRubber sealing to block moisture and contaminants\u003c\/li\u003e\n  \u003cli\u003eAnti-lock design to prevent jamming or sudden loosening\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan these terminals handle high-current applications and where can I use them?\u003c\/h3\u003e\n\u003cp\u003eYes — each post is rated to handle currents up to 250A, suitable for many starter, inverter, and accessory circuits in vehicles and marine craft. They work well for automotive battery relocation, RV power panels, yacht shore power or accessory feed-throughs, and custom electrical enclosures where secure, high-current panel connections are required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated up to 250A for heavy loads and starter-type currents\u003c\/li\u003e\n  \u003cli\u003eCompatible with battery cables and ring terminals sized for 3\/8\" studs\u003c\/li\u003e\n  \u003cli\u003eIdeal for cars, trucks, RVs, boats, and off-grid power systems\u003c\/li\u003e\n  \u003cli\u003eUseful for firewall, bulkhead, and equipment cabinet installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow straightforward is installation and what’s included?\u003c\/h3\u003e\n\u003cp\u003eThe kit includes one red positive and one black negative feed-thru post, each built for a 3\/8\" (9.5mm) panel hole. Installation requires basic hand tools: drill or verify hole size, insert the feed-thru, secure the nut, and tighten the stud connection; no specialist equipment or professional service is necessary for most DIY projects.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo connectors: red (positive) and black (negative)\u003c\/li\u003e\n  \u003cli\u003eFits 3\/8\" (9.5mm) panel holes — confirm hole size before mounting\u003c\/li\u003e\n  \u003cli\u003eSimple hand-tool installation, torque to manufacturer guidance\u003c\/li\u003e\n  \u003cli\u003eDesigned for tidy cable routing and secure ring-terminal attachment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Installers, DIY mechanics, boat owners, RV enthusiasts, and system builders who need a compact, robust method to pass battery power through a bulkhead or panel. If you want cleaner wiring, reliable high-current connections, and easy battery access for maintenance or accessories, the OUKENS 3\/8\" thru-panel terminals are built to perform without complicated installation or frequent upkeep.\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: What panel hole size do these connectors need?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They require a standard 3\/8\" (9.5mm) panel hole; verify your hole before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these terminals waterproof for marine use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They include a rubber seal to resist moisture, suitable for many marine applications but not a substitute for fully waterproof enclosures.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"OUKENS","offers":[{"title":"Default Title","offer_id":67593094135993,"sku":"B0C143NGNW","price":57.73,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/oukens-front-packaging-panel-mount-connectors.jpg?v=1790571820","url":"https:\/\/redleafauto.ca\/products\/oukens-3-8-thru-panel-battery-terminal-kit-2-piece-red-black-250a-feed-thru-posts-brass-zinc-sealed","provider":"Redleaf Auto","version":"1.0","type":"link"}