{"product_id":"renogy-core-12v-50a-dc-dc-on-board-battery-charger-with-mppt","title":"Renogy CORE 12V 50A DC-DC On-Board Battery Charger with MPPT","description":"\u003ch2\u003eShort Product Summary\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eRenogy CORE 12V 50A DC-DC On-Board Battery Charger with MPPT\u003c\/strong\u003e charges your house battery two ways — from your vehicle's \u003cstrong\u003ealternator while you drive\u003c\/strong\u003e and from \u003cstrong\u003esolar\u003c\/strong\u003e via its built-in MPPT controller. It delivers a proper multi-stage charge to lithium, AGM, gel and flooded batteries, so your auxiliary battery is always topped up on the move and at camp.\u003c\/p\u003e\n\u003ch2\u003eWhy This Product\u003c\/h2\u003e\n\u003cp\u003eModern smart alternators won't fully charge a lithium house battery directly, and solar alone is slow on cloudy days. A DC-DC charger solves both: it takes alternator power while driving and solar power when parked, and converts it into a correct, full multi-stage charge — protecting your starter battery and getting the most into your house bank.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e50A DC-DC charging\u003c\/strong\u003e – fast, full charging of your auxiliary battery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual input\u003c\/strong\u003e – charges from the vehicle alternator \u003cem\u003eand\u003c\/em\u003e from solar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in MPPT solar controller\u003c\/strong\u003e – maximises harvest from your solar panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-stage charging\u003c\/strong\u003e – correct charge profile for a healthy battery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery compatibility\u003c\/strong\u003e – lithium (LiFePO₄), AGM, gel and flooded.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects your starter battery\u003c\/strong\u003e – isolates and prioritises correctly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaravan, trailer \u0026amp; 4x4 dual-battery builds\u003c\/strong\u003e charging on the move\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverlanders combining alternator + solar\u003c\/strong\u003e charging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLithium house-battery upgrades\u003c\/strong\u003e behind a smart alternator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eLocal Support from 4Matt Campers\u003c\/h2\u003e\n\u003cp\u003e4Matt Campers serves the \u003cstrong\u003eWestern Cape\u003c\/strong\u003e and \u003cstrong\u003eCape Town\u003c\/strong\u003e, and ships across South Africa — helping clients build reliable 12V and off-grid power systems. We'll help you wire the DC-DC charger correctly to your alternator, solar and house battery.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Renogy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e RBC50D1S-G6-SA (CORE Series)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e DC-DC on-board battery charger with built-in MPPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge Current:\u003c\/strong\u003e 50 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Voltage:\u003c\/strong\u003e 12 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e Vehicle alternator + solar (dual input)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging:\u003c\/strong\u003e Multi-stage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Types:\u003c\/strong\u003e Lithium (LiFePO₄), AGM, gel, flooded\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Renogy CORE 12V 50A DC-DC Charger with MPPT\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOptional Fitment \/ Upgrade Notes\u003c\/h2\u003e\n\u003cp\u003eFor a correct install, it's worth confirming:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCable sizes for the run from \u003cstrong\u003estarter battery to charger to house battery\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAn \u003cstrong\u003eignition \/ D+ trigger\u003c\/strong\u003e where required for smart alternators\u003c\/li\u003e\n\u003cli\u003eYour \u003cstrong\u003esolar array voltage\/current\u003c\/strong\u003e is within the MPPT input range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eComplete Your Setup\u003c\/h2\u003e\n\u003cp\u003eBrowse the full \u003ca href=\"\/collections\/renogy\"\u003eRenogy range\u003c\/a\u003e and \u003ca href=\"\/collections\/electrical-accessories\"\u003e12V electrical \u0026amp; power\u003c\/a\u003e gear. Pair it with a \u003ca href=\"\/collections\/lithium-batteries\"\u003elithium battery\u003c\/a\u003e and a \u003ca href=\"\/collections\/solar-panels\"\u003esolar panel\u003c\/a\u003e for a complete charging system.\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhy do I need a DC-DC charger?\u003c\/strong\u003e\u003cbr\u003eSmart alternators don't fully charge lithium house batteries directly. A DC-DC charger converts alternator (and solar) power into a correct multi-stage charge, protecting your starter battery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it do solar too?\u003c\/strong\u003e\u003cbr\u003eYes — it has a built-in MPPT solar controller, so it charges from your alternator while driving and from solar when parked.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich batteries does it suit?\u003c\/strong\u003e\u003cbr\u003eLithium (LiFePO₄), AGM, gel and flooded — selectable to match your battery.\u003c\/p\u003e","brand":"Renogy","offers":[{"title":"Default Title","offer_id":47762372001977,"sku":"RBC50D1S-G6-SA","price":5995.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/4587\/6409\/files\/5762283197.jpg?v=1782226071","url":"https:\/\/www.4mattcampers.co.za\/products\/renogy-core-12v-50a-dc-dc-on-board-battery-charger-with-mppt","provider":"4Matt Campers","version":"1.0","type":"link"}