{"product_id":"promariner-51815-15-universal-dc-cable-extender","title":"ProMariner 15' Universal DC Cable Extender — 12 AWG Tinned Copper, 30A with Waterproof Inline Fuses","description":"\u003cstrong\u003eProMariner 51815 15' Universal DC Cable Extender adds 15 feet of ready-to-install, marine-grade DC cable to reach distant battery locations without cutting or splicing.\u003c\/strong\u003e\n\nThis cable extender is purpose-built for boats and other marine applications where factory or charger-supplied leads fall short. It connects directly to chargers that use ring-terminal outputs and extends reach to bow, center-mount, or stern battery compartments. Built from tinned 12 AWG copper with gold-plated hardware and waterproof inline fuses, it balances flexibility with corrosion resistance for saltwater use.\n\n\u003ch3\u003eHow does this extender integrate with my existing marine battery charger?\u003c\/h3\u003e\n\u003cp\u003eThe ProMariner 51815 plugs into any onboard charger that terminates in ring terminals — no alterations to your charger leads are needed. Color-coded positive and negative leads make matching polarity fast and safe, while slide-and-snap insulated covers protect connections once installed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect fit for chargers with ring-terminal cables — no cutting or splicing\u003c\/li\u003e\n  \u003cli\u003eColor-coded wiring simplifies correct positive\/negative hookup\u003c\/li\u003e\n  \u003cli\u003eInsulated snap covers shield connections from spray and debris\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the wiring handle my boat’s charging load and marine environment?\u003c\/h3\u003e\n\u003cp\u003eThe cable is rated to carry up to 30 amps, appropriate for many common onboard charging systems and battery maintenance setups. Corrosion-resistant tinned copper conductors plus gold-plated hardware lower electrical resistance and improve longevity in wet or salty conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e30 amp maximum continuous rating for typical charger use\u003c\/li\u003e\n  \u003cli\u003e12 AWG tinned copper for durability and improved conductivity\u003c\/li\u003e\n  \u003cli\u003eGold-plated terminals reduce oxidation and maintain contact quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the product protect the wiring and batteries from faults?\u003c\/h3\u003e\n\u003cp\u003eProMariner includes dual inline waterproof fuses to guard the conductors and attached equipment from overcurrent events or accidental shorts. The fuses are enclosed to keep corrosion out and are positioned inline for straightforward replacement if needed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo waterproof inline fuses for redundancy and protection\u003c\/li\u003e\n  \u003cli\u003eFuses housed in sealed enclosures to prevent moisture intrusion\u003c\/li\u003e\n  \u003cli\u003eInline placement ensures faults interrupt power before reaching batteries\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation aboard a boat or in tight compartments?\u003c\/h3\u003e\n\u003cp\u003eInstallation is designed to be fast for DIYers or marine technicians: slip the ring terminals over charger studs or battery posts, secure, and snap the insulated covers into place. The 15-foot length gives flexibility routing around obstacles so you can avoid moving heavy hardware or rearranging battery trays.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNo wire cutting, stripping, or splicing required — plug-and-play setup\u003c\/li\u003e\n  \u003cli\u003eFlexible 15' length for routing to remote battery banks or compartments\u003c\/li\u003e\n  \u003cli\u003eSnap-in insulation simplifies finishing and protects connections quickly\u003c\/li\u003e\n\u003c\/ul\u003e\n\nWho is this for\n\nThis extender is aimed at boat owners, marine electricians, and anyone with onboard battery chargers that need additional reach to safely connect to remote batteries. It’s especially useful for vessels with separated battery compartments, center-console layouts, bow-mounted gear, or stern battery locations where charger leads don’t naturally reach. If you need a corrosion-resistant, ready-to-install extension with built-in overcurrent protection and simple polarity matching, the ProMariner 51815 is a practical choice.\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the cable compatible with my charger that uses ring terminals?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The extender is designed for chargers with ring-terminal outputs and installs without cutting or splicing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this handle my charger’s amperage?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It’s rated for up to 30 amps, suitable for many marine chargers and battery maintainer setups.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ProMariner","offers":[{"title":"Default Title","offer_id":48027770585249,"sku":"B0821YL88T","price":118.18,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6532\/5729\/files\/promariner-51815-front-view.jpg?v=1791378131","url":"https:\/\/canadiansporting.ca\/products\/promariner-51815-15-universal-dc-cable-extender","provider":"Canadian Sporting","version":"1.0","type":"link"}