{"product_id":"12v-30a-50a-dc-dc-on-board-battery-charger-with-mppt","title":"12V 30A\/50A DC-DC On-Board Battery Charger with MPPT","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:7a4b37ad-988b-458d-9c23-efd11d662955-0\" data-testid=\"conversation-turn-2\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"08d20a22-dfa8-458a-95e3-330c9877fac5\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2-thinking\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"59\" data-end=\"373\"\u003ePower your auxiliary battery the smart way—while you drive \u003cem data-start=\"118\" data-end=\"123\"\u003eand\u003c\/em\u003e while you park in the sun. This 12V DC-DC On-Board Battery Charger combines high-efficiency alternator charging with built-in MPPT solar charging, giving you faster, safer, and more reliable power for caravans, RVs, 4WDs, boats, and off-grid setups.\u003c\/p\u003e\n\u003chr data-start=\"375\" data-end=\"378\"\u003e\n\u003ch4 data-start=\"380\" data-end=\"399\"\u003e✅ Key Benefits\u003c\/h4\u003e\n\u003cul data-start=\"400\" data-end=\"1066\"\u003e\n\u003cli data-start=\"400\" data-end=\"526\"\u003e\n\u003cp data-start=\"402\" data-end=\"526\"\u003e\u003cstrong data-start=\"402\" data-end=\"448\"\u003e2-in-1 Charging (Alternator + Solar MPPT):\u003c\/strong\u003e Charge from your vehicle’s alternator and solar panels in one compact unit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"527\" data-end=\"638\"\u003e\n\u003cp data-start=\"529\" data-end=\"638\"\u003e\u003cstrong data-start=\"529\" data-end=\"555\"\u003eFast Charging Options:\u003c\/strong\u003e Choose \u003cstrong data-start=\"563\" data-end=\"570\"\u003e30A\u003c\/strong\u003e or \u003cstrong data-start=\"574\" data-end=\"581\"\u003e50A\u003c\/strong\u003e output to match your battery capacity and power needs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"639\" data-end=\"750\"\u003e\n\u003cp data-start=\"641\" data-end=\"750\"\u003e\u003cstrong data-start=\"641\" data-end=\"670\"\u003eBuilt-in MPPT Controller:\u003c\/strong\u003e Maximizes solar harvest for better performance than standard PWM controllers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"751\" data-end=\"852\"\u003e\n\u003cp data-start=\"753\" data-end=\"852\"\u003e\u003cstrong data-start=\"753\" data-end=\"784\"\u003eMulti-Stage Smart Charging:\u003c\/strong\u003e Optimizes charging to extend battery life and improve efficiency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"853\" data-end=\"951\"\u003e\n\u003cp data-start=\"855\" data-end=\"951\"\u003e\u003cstrong data-start=\"855\" data-end=\"889\"\u003eProtects Your Starter Battery:\u003c\/strong\u003e Prevents over-drain and ensures your vehicle always starts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"952\" data-end=\"1066\"\u003e\n\u003cp data-start=\"954\" data-end=\"1066\"\u003e\u003cstrong data-start=\"954\" data-end=\"992\"\u003eStable Output for Modern Vehicles:\u003c\/strong\u003e Designed for smart alternator systems and fluctuating voltage conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1068\" data-end=\"1071\"\u003e\n\u003ch4 data-start=\"1073\" data-end=\"1102\"\u003e🔋 Battery Compatibility\u003c\/h4\u003e\n\u003cp data-start=\"1103\" data-end=\"1158\"\u003eWorks with common auxiliary battery types, including:\u003c\/p\u003e\n\u003cul data-start=\"1159\" data-end=\"1234\"\u003e\n\u003cli data-start=\"1159\" data-end=\"1184\"\u003e\n\u003cp data-start=\"1161\" data-end=\"1184\"\u003e\u003cstrong data-start=\"1161\" data-end=\"1182\"\u003eLiFePO₄ (Lithium)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1185\" data-end=\"1196\"\u003e\n\u003cp data-start=\"1187\" data-end=\"1196\"\u003e\u003cstrong data-start=\"1187\" data-end=\"1194\"\u003eAGM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1197\" data-end=\"1208\"\u003e\n\u003cp data-start=\"1199\" data-end=\"1208\"\u003e\u003cstrong data-start=\"1199\" data-end=\"1206\"\u003eGel\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1209\" data-end=\"1234\"\u003e\n\u003cp data-start=\"1211\" data-end=\"1234\"\u003e\u003cstrong data-start=\"1211\" data-end=\"1234\"\u003eLead-Acid \/ Flooded\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1236\" data-end=\"1239\"\u003e\n\u003ch4 data-start=\"1241\" data-end=\"1277\"\u003e🛡️ Built-In Safety Protections\u003c\/h4\u003e\n\u003cul data-start=\"1278\" data-end=\"1442\"\u003e\n\u003cli data-start=\"1278\" data-end=\"1321\"\u003e\n\u003cp data-start=\"1280\" data-end=\"1321\"\u003eOver-voltage \/ under-voltage protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1322\" data-end=\"1349\"\u003e\n\u003cp data-start=\"1324\" data-end=\"1349\"\u003eOver-current protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1350\" data-end=\"1381\"\u003e\n\u003cp data-start=\"1352\" data-end=\"1381\"\u003eOver-temperature protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1382\" data-end=\"1413\"\u003e\n\u003cp data-start=\"1384\" data-end=\"1413\"\u003eReverse polarity protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1414\" data-end=\"1442\"\u003e\n\u003cp data-start=\"1416\" data-end=\"1442\"\u003eShort-circuit protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1444\" data-end=\"1447\"\u003e\n\u003ch4 data-start=\"1449\" data-end=\"1468\"\u003e🚙 Perfect For\u003c\/h4\u003e\n\u003cul data-start=\"1469\" data-end=\"1618\"\u003e\n\u003cli data-start=\"1469\" data-end=\"1493\"\u003e\n\u003cp data-start=\"1471\" data-end=\"1493\"\u003e4WD \u0026amp; Touring setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1494\" data-end=\"1540\"\u003e\n\u003cp data-start=\"1496\" data-end=\"1540\"\u003eRV \/ Camper \/ Caravan dual battery systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1541\" data-end=\"1572\"\u003e\n\u003cp data-start=\"1543\" data-end=\"1572\"\u003eMarine \u0026amp; boat power systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1573\" data-end=\"1618\"\u003e\n\u003cp data-start=\"1575\" data-end=\"1618\"\u003eOff-grid solar + alternator hybrid charging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1620\" data-end=\"1623\"\u003e\n\u003ch4 data-start=\"1625\" data-end=\"1648\"\u003e📦 What’s Included\u003c\/h4\u003e\n\u003cul data-start=\"1649\" data-end=\"1847\"\u003e\n\u003cli data-start=\"1649\" data-end=\"1727\"\u003e\n\u003cp data-start=\"1651\" data-end=\"1727\"\u003e12V DC-DC On-Board Charger with MPPT (\u003cstrong data-start=\"1689\" data-end=\"1724\"\u003e30A or 50A – select your option\u003c\/strong\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1728\" data-end=\"1847\"\u003e\n\u003cp data-start=\"1730\" data-end=\"1847\"\u003eUser guide \/ wiring reference \u003cem data-start=\"1760\" data-end=\"1847\"\u003e(if you want, I can format a clean “Installation” section for your Shopify page too.)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1849\" data-end=\"1852\"\u003e\n\u003ch3 data-start=\"1854\" data-end=\"1876\"\u003eWhy You’ll Love It\u003c\/h3\u003e\n\u003cp data-start=\"1877\" data-end=\"2185\"\u003eIf you want \u003cstrong data-start=\"1889\" data-end=\"1917\"\u003ereliable auxiliary power\u003c\/strong\u003e without complicated wiring or separate solar controllers, this unit is the cleanest upgrade. It intelligently prioritizes and manages charging sources, so your battery stays healthier, charges faster, and lasts longer—whether you’re on the highway or camped off-grid.\u003c\/p\u003e\n\u003cp data-start=\"2187\" data-end=\"2410\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eIf you tell me your brand tone (premium \/ simple \/ rugged) and whether it’s \u003cstrong data-start=\"2263\" data-end=\"2288\"\u003e30A, 50A, or variants\u003c\/strong\u003e, I can rewrite this into a more “Shopify-native” layout with tabs like \u003cstrong data-start=\"2360\" data-end=\"2409\"\u003eDescription \/ Specs \/ Installation \/ Shipping\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Renogy","offers":[{"title":"50A \/ Battery Charger Only","offer_id":41042774327368,"sku":null,"price":307.99,"currency_code":"USD","in_stock":true},{"title":"50A \/ W\/ Bluetooth Module","offer_id":41042774360136,"sku":null,"price":324.99,"currency_code":"USD","in_stock":true},{"title":"50A \/ W\/ Bluetooth \u0026 Regony One Core","offer_id":41042774392904,"sku":null,"price":354.99,"currency_code":"USD","in_stock":true},{"title":"30A \/ Battery Charger Only","offer_id":41042774425672,"sku":null,"price":186.99,"currency_code":"USD","in_stock":true},{"title":"30A \/ W\/ Bluetooth Module","offer_id":41042774458440,"sku":null,"price":214.99,"currency_code":"USD","in_stock":true},{"title":"30A \/ W\/ Bluetooth \u0026 Regony One Core","offer_id":41042774491208,"sku":null,"price":399.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1982\/0229\/files\/12V_30A_50A_DC-DC_On-Board_Battery_Charger_with_MPPT.webp?v=1771795657","url":"https:\/\/keiproject.com\/products\/12v-30a-50a-dc-dc-on-board-battery-charger-with-mppt","provider":"keiproject","version":"1.0","type":"link"}