{"product_id":"renogy-12in-1awg-battery-interconnect-cable","title":"Renogy 12in 1AWG Copper Battery Interconnect Cable (5\/16in Lugs)","description":"\u003ch2\u003eShort Product Summary\u003c\/h2\u003e\u003cp\u003eA 12 inch (305 mm) 1AWG tinned copper link with 5\/16 inch ring lugs on both ends, made for joining batteries to each other in series or in parallel. Factory crimped, heat-shrunk and TUV listed, so the weakest point in your battery bank is not a cable you made in the driveway.\u003c\/p\u003e\u003ch2\u003eWhy This Product\u003c\/h2\u003e\u003cp\u003eWhen you wire two or more batteries together, the interconnects carry the entire bank current, and they need to be identical. That last word matters. If one link is a little longer or a little thinner than the other, the batteries share current unevenly, one works harder than the rest, and over a couple of seasons the bank ages unevenly. It is the classic reason a set of batteries that were bought together stop performing together. Using proper matched interconnects removes that variable. 1AWG is roughly 50mm² of copper, which is the standard gauge for battery-to-battery links in a caravan or camper bank feeding an inverter. The 5\/16 inch lugs suit the M8 terminals used on most lithium blocks, including a lot of the Renogy range. Tinned copper is not a luxury here either: battery boxes get damp, and green corrosion at a terminal is resistance, heat and eventually a failed joint.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5\/16 inch (M8) tin-plated copper ring lugs both ends\u003c\/strong\u003e – fits the terminal studs used on most lithium batteries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1AWG (approximately 50mm²) conductor\u003c\/strong\u003e – the standard gauge for battery interconnects in inverter-equipped systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12in (305 mm) length\u003c\/strong\u003e – sized for batteries sitting side by side, without a loop of slack to snag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory crimped and heat-shrunk terminals\u003c\/strong\u003e – a consistent, low-resistance joint on both ends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTin-plated oxygen-free copper\u003c\/strong\u003e – resists corrosion and improves heat dissipation at the lug.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTUV listed, UV resistant and waterproof\u003c\/strong\u003e – rated for PV solar application and damp compartments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbrasion-resistant insulation\u003c\/strong\u003e – survives contact with a battery box edge on a corrugated road.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for series and parallel wiring\u003c\/strong\u003e – the same cable does both jobs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eIdeal For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWiring two 12V batteries in series to make a 24V house bank.\u003c\/li\u003e\n\u003cli\u003eParalleling batteries to double capacity at the same voltage.\u003c\/li\u003e\n\u003cli\u003eBuilding a series-parallel bank for higher voltage and higher capacity.\u003c\/li\u003e\n\u003cli\u003eReplacing mismatched home-made interconnects in an existing caravan bank.\u003c\/li\u003e\n\u003cli\u003eOff-road trailer and camper battery boxes where every joint needs to survive vibration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eLocal Support from 4Matt Campers\u003c\/h2\u003e\u003cp\u003eOrder from anywhere in \u003cstrong\u003eSouth Africa\u003c\/strong\u003e — 4Matt Campers ships and supports it. Before you order, check your battery terminal stud size, because 5\/16 inch and 3\/8 inch lugs are not interchangeable and a loose lug on a stud is a genuine hazard. Send us a photo of the terminal if you are unsure. Battery cable, lugs, fusing and busbars are in \u003ca href=\"\/collections\/electrical-accessories\"\u003eelectrical accessories\u003c\/a\u003e, and the batteries themselves in \u003ca href=\"\/collections\/lithium-batteries\"\u003elithium batteries\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eModel: Renogy Copper Battery Interconnect Cable for 5\/16 in Lugs\u003c\/li\u003e\n\u003cli\u003eSKU: RBCCB12IN1-G1-SA\u003c\/li\u003e\n\u003cli\u003eLength: 12in (approximately 305 mm)\u003c\/li\u003e\n\u003cli\u003eConductor size: 1AWG (approximately 50mm²)\u003c\/li\u003e\n\u003cli\u003eTerminals: 5\/16 inch (M8) tin-plated copper ring lugs on both ends\u003c\/li\u003e\n\u003cli\u003eConductor material: tin-plated oxygen-free copper\u003c\/li\u003e\n\u003cli\u003eInsulation: UV resistant and waterproof, TUV listed for PV solar application\u003c\/li\u003e\n\u003cli\u003eTerminal insulation: heat-shrink tubing\u003c\/li\u003e\n\u003cli\u003eApplication: series, parallel and series-parallel battery connections\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e1 x Renogy 12in 1AWG battery interconnect cable with 5\/16 inch ring lugs on both ends\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eOptional Fitment \u0026amp; Upgrade Notes\u003c\/h2\u003e\u003cp\u003eBuy one cable per connection, and use identical cables throughout the bank so current shares evenly. In a two-battery series bank you need one interconnect. In a two-battery parallel bank you need two, one positive and one negative. Torque the lugs evenly to the battery manufacturer's figure and re-check after the first long gravel trip. Do not stack more lugs on a stud than the terminal was designed for. In a parallel bank, take the main positive from one end of the string and the main negative from the other end so all batteries see a similar path length. Isolate and disconnect before working, and remember that a spanner across two terminals on a lithium bank will weld itself to them.\u003c\/p\u003e\u003ch2\u003eComplete Your Setup\u003c\/h2\u003e\u003cp\u003eUse it with a bank from \u003ca href=\"\/collections\/lithium-batteries\"\u003elithium batteries\u003c\/a\u003e, main fusing from \u003ca href=\"\/collections\/electrical-accessories\"\u003eelectrical accessories\u003c\/a\u003e and an inverter from \u003ca href=\"\/collections\/inverters-inverter-chargers\"\u003einverters and inverter chargers\u003c\/a\u003e. Charging comes from \u003ca href=\"\/collections\/solar-panels\"\u003esolar panels\u003c\/a\u003e through \u003ca href=\"\/collections\/solar-charge-controllers\"\u003esolar charge controllers\u003c\/a\u003e, and the wider range is in \u003ca href=\"\/collections\/renogy\"\u003eRenogy\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eHow many do I need?\u003c\/strong\u003e\u003cbr\u003eOne per battery-to-battery connection. Two batteries in series need one; two in parallel need two.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill 5\/16 inch lugs fit my battery?\u003c\/strong\u003e\u003cbr\u003eThey fit M8 studs. If your battery uses 3\/8 inch (M10) terminals, this lug will be loose and you need the 3\/8 inch version instead.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it for the main cable to my inverter?\u003c\/strong\u003e\u003cbr\u003eOnly if 1AWG is adequate for your inverter's current and the run is short. Larger inverters usually want heavier cable and 3\/8 inch lugs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the length matter?\u003c\/strong\u003e\u003cbr\u003eYes, and consistency matters more. All interconnects in a bank should be the same length so the batteries share current evenly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I mix these with cables I already have?\u003c\/strong\u003e\u003cbr\u003eNot in the same bank. Mismatched interconnects are the main reason a battery bank ages unevenly.\u003c\/p\u003e","brand":"Renogy","offers":[{"title":"Default Title","offer_id":48305659969721,"sku":"RBCCB12IN1-G1-SA","price":395.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/4587\/6409\/files\/01__08169.1724858955.1280.1280.jpg?v=1784813867","url":"https:\/\/www.4mattcampers.co.za\/products\/renogy-12in-1awg-battery-interconnect-cable","provider":"4Matt Campers","version":"1.0","type":"link"}