{"product_id":"renogy-core-12v-20a-dc-dc-battery-charger-rbc20d1u-au","title":"Renogy - 12V - 20A - DC-DC Battery Charger","description":"\u003ch2\u003eRenogy 12V 20A DC to DC Battery Charger\u003c\/h2\u003e\u003cp\u003eThis on-board DC-DC battery charger charges a house battery from the vehicle's starter battery while driving, and is compatible with both smart and traditional alternators. Built-in alternator-running detection means it only charges while the alternator is actually running, protecting the starter battery from being drained.\u003c\/p\u003e\u003cp\u003eA compact, user-friendly layout keeps input and output terminals safely spaced to minimise short-circuit risk, with a battery type selector so you can match it to your setup.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCharges a 12V house battery from a smart or traditional alternator\u003c\/li\u003e\n\u003cli\u003eBuilt-in alternator-running detection protects the starter battery\u003c\/li\u003e\n\u003cli\u003eSafe terminal spacing to minimise short-circuit risk\u003c\/li\u003e\n\u003cli\u003eUser-selectable battery type setting\u003c\/li\u003e\n\u003cli\u003eRS485 communication port\u003c\/li\u003e\n\u003cli\u003eCompact on-board design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable class=\"product-specifications\" style=\"width:100%; border-collapse:collapse; border:1px solid #d9d9d9; table-layout:auto;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eModel\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eRBC20D1U\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eSystem Voltage\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eRated Charge Current\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e20A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eCommunication Port\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eRS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eDimensions\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e236.5 x 131.3 x 58.4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Renogy","offers":[{"title":"Default Title","offer_id":52397877854491,"sku":"RBC20D1U-AU","price":144.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0854\/3354\/9083\/files\/renogy-portal-rbc20d1u-au-1.webp?v=1789429580","url":"https:\/\/www.nbcampingequipment.com.au\/products\/renogy-core-12v-20a-dc-dc-battery-charger-rbc20d1u-au","provider":"NB Camping Equipment","version":"1.0","type":"link"}