{"product_id":"sea-dog-2-awg-black-battery-cable-50ft-tinned-copper","title":"Sea-Dog 2 AWG Black Battery Cable, Tinned Copper 50ft Spool","description":"\u003cp class=\"nvn-hero\"\u003eSea-Dog's 2 AWG battery cable comes as a 50-foot spool of black, tinned copper wire with no terminals attached. It's UL listed and ABYC compliant, sized for the heavy DC runs on your boat where thin wire won't cut it. Cut what you need, crimp your own lugs, and you've got negative runs built to last.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eThis is Sea-Dog's 2 AWG battery cable, sold as a 50-foot spool of black, negative-side wire with no terminals attached. It's tinned copper through and through, UL listed and ABYC compliant, and it's meant for the heavy DC runs on your boat where thin wire simply won't cut it. Think battery-to-battery jumpers, negative returns to a bus bar, starter grounds, windlass feeds, and inverter runs.\u003c\/p\u003e\n\u003cp\u003eWhy 2 gauge? Because it carries real current without cooking itself or dropping voltage where it matters. On most boats this is the size you reach for when you're wiring a house bank, a windlass, or a mid-size inverter. For inverter installs, 2 gauge comfortably handles the feed on a lot of 100 to 150 amp units, though you'll always want to size to your specific inverter's spec and fuse both ends. And buying it on a 50-foot spool means you cut exactly the lengths you need instead of stringing together short pre-made cables with extra connections that can corrode and add resistance.\u003c\/p\u003e\n\u003cp\u003eThe tinned copper is the part that matters most out on the water. Bare copper looks fine on day one, but salt air finds it fast. Every strand on this cable is tin-plated, so it shrugs off the corrosion and electrolysis that turn untinned wire green and brittle inside a few seasons. We've pulled apart plenty of old boats wired with cheap automotive cable, and the difference is night and day. Tinned marine cable is what keeps your connections low-resistance for years instead of months.\u003c\/p\u003e\n\u003cp\u003eA few honest notes on working with it. This spool ships without terminals, so you'll be crimping your own lugs. Use a proper hydraulic crimper for 2 gauge. Hammer-style crimps on cable this heavy tend to leave a loose, high-resistance joint that heats up under load, and that's the last thing you want near a battery. Once your lug is on, seal it with adhesive-lined heat shrink. That keeps moisture from wicking up inside the strands, which is the quiet killer of marine wiring in a damp bilge.\u003c\/p\u003e\n\u003cp\u003eThe insulation is stiff on a fresh spool, especially in cold weather. If you're routing tight bends behind an engine or through a cramped battery box, let the cable sit in the sun for a bit first. It relaxes and pulls into place a lot easier once it's warm. On a 35 to 45 foot boat you've got plenty of length here for a couple of long runs, but measure your voltage drop on anything past about 15 feet to a starter or windlass and step up a gauge if the numbers call for it.\u003c\/p\u003e\n\u003cp\u003eThe black jacket marks this as your negative or ground conductor. Keeping negative black and positive red makes life a lot easier when you're heads-down in a tight compartment tracing a fault at the dock. Pair this spool with a red positive cable of the same 2 AWG spec so both legs of the circuit match. That's the clean, survey-friendly way to do it.\u003c\/p\u003e\n\u003cp\u003eSpeaking of surveys, the UL listing and ABYC compliance here aren't just marketing. A surveyor wants to see marine-rated, properly terminated tinned cable, and this checks that box. Just remember the rating covers the wire itself. Your terminations still need to be done right, sealed, and supported. Do that, and this cable will hold up after three-plus seasons in saltwater. Give the exposed ends a look once a year if they aren't fully sealed, and you'll catch any trouble long before it becomes a no-start morning.\u003c\/p\u003e\n\u003cp\u003eBottom line, this is straightforward, well-made marine battery cable at a gauge most boats actually use. Buy the spool, cut what you need, crimp it properly, and you've got DC runs that'll outlast the rest of the boat.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003e2 AWG gauge sized for heavy DC runs: house banks, starter grounds, windlass feeds, and mid-size inverter installs\u003c\/li\u003e\n  \u003cli\u003eTinned copper conductor resists salt corrosion and electrolysis for years of low-resistance connections\u003c\/li\u003e\n  \u003cli\u003e50-foot spool lets you cut exact lengths and skip extra corrosion-prone connections\u003c\/li\u003e\n  \u003cli\u003eBlack jacket clearly marks the negative or ground conductor for fast fault tracing\u003c\/li\u003e\n  \u003cli\u003eSold without terminals so you crimp your own lugs to the exact length you need\u003c\/li\u003e\n  \u003cli\u003eUL listed and ABYC compliant, survey-friendly for marine installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"nvn-trust\"\u003e\n  \u003ch2\u003eWhy Buy from NVN Marine\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAuthorized Sea-Dog reseller, full manufacturer warranty\u003c\/li\u003e\n    \u003cli\u003eNMEA member and ABYC certified, advice from real boat techs\u003c\/li\u003e\n    \u003cli\u003eSame-day shipping before 3 PM ET on in-stock items\u003c\/li\u003e\n    \u003cli\u003eNY headquarters and Fort Lauderdale flagship retail store\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"nvn-faq\"\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat gauge is this cable?\u003c\/summary\u003e\n    \u003cp\u003eIt's 2 AWG (2 gauge). That's the size most boats reach for on heavy DC runs like house banks, windlasses, starter grounds, and mid-size inverter feeds.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes it come with terminals or lugs?\u003c\/summary\u003e\n    \u003cp\u003eNo. This is a bulk 50-foot spool sold without terminals, so you cut it to length and crimp your own lugs. That gives you clean runs with no extra pre-made connections in the middle.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow long is the spool?\u003c\/summary\u003e\n    \u003cp\u003e50 feet. On a 35 to 45 foot boat that's enough for a couple of long negative runs with some to spare.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhy tinned copper instead of bare copper?\u003c\/summary\u003e\n    \u003cp\u003eEvery strand is tin-plated, so it resists the salt corrosion and electrolysis that turn untinned automotive wire green and brittle. Tinned marine cable keeps connections low-resistance for years instead of months.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs the black cable for positive or negative?\u003c\/summary\u003e\n    \u003cp\u003eBlack is your negative or ground conductor. Pair it with a red positive cable of the same 2 AWG spec so both legs of the circuit match and are easy to trace.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs it UL listed and ABYC compliant?\u003c\/summary\u003e\n    \u003cp\u003eYes. The cable is UL listed and ABYC compliant, which is what a surveyor wants to see. Just remember the rating covers the wire itself, so your terminations still need to be crimped, sealed, and supported correctly.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow should I terminate it?\u003c\/summary\u003e\n    \u003cp\u003eUse a proper hydraulic crimper for 2 gauge lugs. Hammer-style crimps on cable this heavy leave loose, high-resistance joints that heat up under load. Once the lug is on, seal it with adhesive-lined heat shrink to stop moisture wicking into the strands.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan I use it for inverter runs?\u003c\/summary\u003e\n    \u003cp\u003eYes. 2 gauge comfortably handles the feed on a lot of 100 to 150 amp inverters. Always size to your specific inverter's spec and fuse both ends of the run.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eThe cable feels stiff. Is that normal?\u003c\/summary\u003e\n    \u003cp\u003eHeavy cable is stiff on a fresh spool, especially in cold weather. If you're routing tight bends behind an engine or in a cramped battery box, let it sit in the sun first and it'll relax and pull into place much easier.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"nvn-specs\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eTitle\u003c\/th\u003e\n\u003ctd\u003eSea-Dog 2 AWG Black Battery Cable, Tinned Copper 50ft Spool\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSea-Dog\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e8002011\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e035514800358\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWire Gauge\u003c\/th\u003e\n\u003ctd\u003e2 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eConductor\u003c\/th\u003e\n\u003ctd\u003eTinned Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eCable Color\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003ePolarity\u003c\/th\u003e\n\u003ctd\u003eNegative\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e50 Foot Spool\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eTerminals\u003c\/th\u003e\n\u003ctd\u003eWithout Terminal (bulk spool)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eCertification\u003c\/th\u003e\n\u003ctd\u003eUL Listed \/ ABYC Compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eCable Type\u003c\/th\u003e\n\u003ctd\u003eBattery Cable\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What gauge is this cable?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's 2 AWG (2 gauge). That's the size most boats reach for on heavy DC runs like house banks, windlasses, starter grounds, and mid-size inverter feeds.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does it come with terminals or lugs?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. This is a bulk 50-foot spool sold without terminals, so you cut it to length and crimp your own lugs. That gives you clean runs with no extra pre-made connections in the middle.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How long is the spool?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"50 feet. On a 35 to 45 foot boat that's enough for a couple of long negative runs with some to spare.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Why tinned copper instead of bare copper?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Every strand is tin-plated, so it resists the salt corrosion and electrolysis that turn untinned automotive wire green and brittle. Tinned marine cable keeps connections low-resistance for years instead of months.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is the black cable for positive or negative?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Black is your negative or ground conductor. Pair it with a red positive cable of the same 2 AWG spec so both legs of the circuit match and are easy to trace.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is it UL listed and ABYC compliant?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. The cable is UL listed and ABYC compliant, which is what a surveyor wants to see. Just remember the rating covers the wire itself, so your terminations still need to be crimped, sealed, and supported correctly.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How should I terminate it?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Use a proper hydraulic crimper for 2 gauge lugs. Hammer-style crimps on cable this heavy leave loose, high-resistance joints that heat up under load. Once the lug is on, seal it with adhesive-lined heat shrink to stop moisture wicking into the strands.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can I use it for inverter runs?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. 2 gauge comfortably handles the feed on a lot of 100 to 150 amp inverters. Always size to your specific inverter's spec and fuse both ends of the run.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"The cable feels stiff. Is that normal?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Heavy cable is stiff on a fresh spool, especially in cold weather. If you're routing tight bends behind an engine or in a cramped battery box, let it sit in the sun first and it'll relax and pull into place much easier.\"\n            }\n        }\n    ]\n}\n\u003c\/script\u003e\n","brand":"Sea-Dog","offers":[{"title":"Default Title","offer_id":45052336504925,"sku":"2008177","price":175.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7266\/0317\/files\/ImageServerAPI_0086203e-02b4-46d4-8411-000afaf27025.png?v=1789412226","url":"https:\/\/nvnmarine.com\/products\/sea-dog-2-awg-black-battery-cable-50ft-tinned-copper","provider":"NVN Marine","version":"1.0","type":"link"}