{"product_id":"renogy-dc-to-dc-charger-with-mppt-12v-30a-multi-stage-charging-smart-on-board-battery-charger-for-solar-alternator-input-charges-lithium-agm-gel-flooded-batteries-in-rvs-cars-marine","title":"Renogy 12V 30A DC to DC Battery Charger with MPPT – Dual Input Solar \u0026 Alternator Smart Charger for Lithium, AGM, Gel \u0026 Flooded Batteries","description":"\u003cp data-start=\"163\" data-end=\"706\" class=\"PDq2pG_selectionAnchorContainer\"\u003eKeep your auxiliary battery charged wherever your adventures take you. The Renogy 12V 30A DC to DC Charger combines \u003cstrong data-start=\"279\" data-end=\"335\"\u003ealternator charging and built-in MPPT solar charging\u003c\/strong\u003e into one compact unit, intelligently prioritizing solar energy when available to maximize efficiency and reduce fuel consumption. Designed for RVs, vans, trucks, boats, and off-grid vehicles, this multi-stage smart charger delivers reliable charging for lithium, AGM, gel, and flooded batteries while protecting your electrical system with comprehensive safety features.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"708\" data-end=\"711\"\u003e\n\u003ch1 data-section-id=\"gucs9b\" data-start=\"713\" data-end=\"759\"\u003eDual Charging Sources for Maximum Efficiency\u003c\/h1\u003e\n\u003cp data-start=\"761\" data-end=\"828\"\u003eWhy choose between solar and your alternator when you can use both?\u003c\/p\u003e\n\u003cp data-start=\"830\" data-end=\"877\"\u003eThe Renogy DC to DC Charger accepts power from:\u003c\/p\u003e\n\u003cul data-start=\"879\" data-end=\"933\"\u003e\n\u003cli data-section-id=\"1ckm720\" data-start=\"879\" data-end=\"899\"\u003eVehicle alternator\u003c\/li\u003e\n\u003cli data-section-id=\"1q7wau1\" data-start=\"900\" data-end=\"933\"\u003eSolar panels with built-in MPPT\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"935\" data-end=\"1082\"\u003eWhen both power sources are available, the charger intelligently prioritizes solar energy to reduce alternator load and improve overall efficiency.\u003c\/p\u003e\n\u003cp data-start=\"1084\" data-end=\"1094\"\u003eIdeal for:\u003c\/p\u003e\n\u003cul data-start=\"1096\" data-end=\"1195\"\u003e\n\u003cli data-section-id=\"1o4t5r\" data-start=\"1096\" data-end=\"1101\"\u003eRVs\u003c\/li\u003e\n\u003cli data-section-id=\"fy3uoa\" data-start=\"1102\" data-end=\"1115\"\u003eCamper vans\u003c\/li\u003e\n\u003cli data-section-id=\"ch6m8a\" data-start=\"1116\" data-end=\"1138\"\u003eOverlanding vehicles\u003c\/li\u003e\n\u003cli data-section-id=\"16xvwn7\" data-start=\"1139\" data-end=\"1146\"\u003eBoats\u003c\/li\u003e\n\u003cli data-section-id=\"10brmyl\" data-start=\"1147\" data-end=\"1163\"\u003eService trucks\u003c\/li\u003e\n\u003cli data-section-id=\"1mti5vf\" data-start=\"1164\" data-end=\"1195\"\u003eOff-grid mobile power systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1197\" data-end=\"1200\"\u003e\n\u003ch1 data-section-id=\"xilj3q\" data-start=\"1202\" data-end=\"1241\"\u003eBuilt-In MPPT Solar Charge Controller\u003c\/h1\u003e\n\u003cp data-start=\"1243\" data-end=\"1286\"\u003eExtract more energy from your solar panels.\u003c\/p\u003e\n\u003cp data-start=\"1288\" data-end=\"1467\"\u003eThe integrated Maximum Power Point Tracking (MPPT) controller continuously optimizes solar performance, helping your batteries recharge faster while maximizing available sunlight.\u003c\/p\u003e\n\u003cp data-start=\"1469\" data-end=\"1486\"\u003eBenefits include:\u003c\/p\u003e\n\u003cul data-start=\"1488\" data-end=\"1621\"\u003e\n\u003cli data-section-id=\"w3a6nx\" data-start=\"1488\" data-end=\"1524\"\u003eImproved solar charging efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"343y0w\" data-start=\"1525\" data-end=\"1563\"\u003eNo separate MPPT controller required\u003c\/li\u003e\n\u003cli data-section-id=\"1x21sel\" data-start=\"1564\" data-end=\"1591\"\u003eReduced system complexity\u003c\/li\u003e\n\u003cli data-section-id=\"1vu1wnu\" data-start=\"1592\" data-end=\"1621\"\u003eBetter off-grid performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1623\" data-end=\"1626\"\u003e\n\u003ch1 data-section-id=\"1gmscqb\" data-start=\"1628\" data-end=\"1670\"\u003eIntelligent Multi-Stage Battery Charging\u003c\/h1\u003e\n\u003cp data-start=\"1672\" data-end=\"1738\"\u003eProtect your battery investment with advanced charging technology.\u003c\/p\u003e\n\u003cp data-start=\"1740\" data-end=\"1782\"\u003eThe Renogy charger automatically performs:\u003c\/p\u003e\n\u003cul data-start=\"1784\" data-end=\"1833\"\u003e\n\u003cli data-section-id=\"zqmu7b\" data-start=\"1784\" data-end=\"1799\"\u003eBulk Charging\u003c\/li\u003e\n\u003cli data-section-id=\"1jsta42\" data-start=\"1800\" data-end=\"1816\"\u003eBoost Charging\u003c\/li\u003e\n\u003cli data-section-id=\"23ngo7\" data-start=\"1817\" data-end=\"1833\"\u003eFloat Charging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1835\" data-end=\"1953\"\u003eThis intelligent charging profile helps ensure batteries reach a full charge while promoting long-term battery health.\u003c\/p\u003e\n\u003cp data-start=\"1955\" data-end=\"1988\"\u003eCompatible battery types include:\u003c\/p\u003e\n\u003cul data-start=\"1990\" data-end=\"2062\"\u003e\n\u003cli data-section-id=\"5uldcs\" data-start=\"1990\" data-end=\"2009\"\u003eLithium (LiFePO₄)\u003c\/li\u003e\n\u003cli data-section-id=\"1o4fgj\" data-start=\"2010\" data-end=\"2015\"\u003eAGM\u003c\/li\u003e\n\u003cli data-section-id=\"1o4hom\" data-start=\"2016\" data-end=\"2021\"\u003eGel\u003c\/li\u003e\n\u003cli data-section-id=\"1skz2is\" data-start=\"2022\" data-end=\"2041\"\u003eFlooded Lead Acid\u003c\/li\u003e\n\u003cli data-section-id=\"1ocpgc0\" data-start=\"2042\" data-end=\"2062\"\u003eStandard Lead Acid\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2064\" data-end=\"2067\"\u003e\n\u003ch1 data-section-id=\"iqiu63\" data-start=\"2069\" data-end=\"2111\"\u003eDesigned for Modern Dual-Battery Systems\u003c\/h1\u003e\n\u003cp data-start=\"2113\" data-end=\"2199\"\u003ePerfect for keeping your house battery charged while protecting your starting battery.\u003c\/p\u003e\n\u003cp data-start=\"2201\" data-end=\"2217\"\u003eCompatible with:\u003c\/p\u003e\n\u003cul data-start=\"2219\" data-end=\"2318\"\u003e\n\u003cli data-section-id=\"1oh2efc\" data-start=\"2219\" data-end=\"2244\"\u003eTraditional alternators\u003c\/li\u003e\n\u003cli data-section-id=\"1iyydii\" data-start=\"2245\" data-end=\"2264\"\u003eSmart alternators\u003c\/li\u003e\n\u003cli data-section-id=\"1nrvyki\" data-start=\"2265\" data-end=\"2289\"\u003eSolar charging systems\u003c\/li\u003e\n\u003cli data-section-id=\"wvp98b\" data-start=\"2290\" data-end=\"2318\"\u003eDual-battery installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2320\" data-end=\"2444\"\u003eThe charger can also help maintain the vehicle's starting battery during periods of low voltage using available solar input.\u003c\/p\u003e\n\u003chr data-start=\"2446\" data-end=\"2449\"\u003e\n\u003ch1 data-section-id=\"1bw4ld\" data-start=\"2451\" data-end=\"2476\"\u003eMarine-Grade Protection\u003c\/h1\u003e\n\u003cp data-start=\"2478\" data-end=\"2521\"\u003eBuilt to perform in demanding environments.\u003c\/p\u003e\n\u003cp data-start=\"2523\" data-end=\"2579\"\u003eFeatures eight integrated protection systems, including:\u003c\/p\u003e\n\u003cul data-start=\"2581\" data-end=\"2814\"\u003e\n\u003cli data-section-id=\"o8r4zz\" data-start=\"2581\" data-end=\"2603\"\u003eIsolation Protection\u003c\/li\u003e\n\u003cli data-section-id=\"1drh5l3\" data-start=\"2604\" data-end=\"2628\"\u003eOvervoltage Protection\u003c\/li\u003e\n\u003cli data-section-id=\"11rszws\" data-start=\"2629\" data-end=\"2653\"\u003eOvercurrent Protection\u003c\/li\u003e\n\u003cli data-section-id=\"xcc25l\" data-start=\"2654\" data-end=\"2682\"\u003eOvertemperature Protection\u003c\/li\u003e\n\u003cli data-section-id=\"mcroz1\" data-start=\"2683\" data-end=\"2720\"\u003eReverse Polarity Protection (Solar)\u003c\/li\u003e\n\u003cli data-section-id=\"p9qtie\" data-start=\"2721\" data-end=\"2763\"\u003eReverse Polarity Protection (Alternator)\u003c\/li\u003e\n\u003cli data-section-id=\"cyecxu\" data-start=\"2764\" data-end=\"2792\"\u003eReverse Current Protection\u003c\/li\u003e\n\u003cli data-section-id=\"fq0s65\" data-start=\"2793\" data-end=\"2814\"\u003eOverheat Protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2816\" data-end=\"2899\"\u003eDesigned for dependable operation in automotive, marine, and off-road applications.\u003c\/p\u003e\n\u003chr data-start=\"2901\" data-end=\"2904\"\u003e\n\u003ch1 data-section-id=\"w86nz1\" data-start=\"2906\" data-end=\"2928\"\u003eCompact Installation\u003c\/h1\u003e\n\u003cp data-start=\"2930\" data-end=\"2984\"\u003ePowerful performance without taking up valuable space.\u003c\/p\u003e\n\u003cp data-start=\"2986\" data-end=\"2997\"\u003eDimensions:\u003c\/p\u003e\n\u003cul data-start=\"2999\" data-end=\"3048\"\u003e\n\u003cli data-section-id=\"izryvc\" data-start=\"2999\" data-end=\"3015\"\u003eLength: 9.6 in\u003c\/li\u003e\n\u003cli data-section-id=\"vbwd9a\" data-start=\"3016\" data-end=\"3031\"\u003eWidth: 3.0 in\u003c\/li\u003e\n\u003cli data-section-id=\"1bic7a\" data-start=\"3032\" data-end=\"3048\"\u003eHeight: 5.7 in\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3050\" data-end=\"3057\"\u003eWeight:\u003c\/p\u003e\n\u003cul data-start=\"3059\" data-end=\"3067\"\u003e\n\u003cli data-section-id=\"f3h4dm\" data-start=\"3059\" data-end=\"3067\"\u003e3.1 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3069\" data-end=\"3182\"\u003eThe compact design makes installation easier in tight battery compartments, utility bays, and equipment cabinets.\u003c\/p\u003e\n\u003chr data-start=\"3184\" data-end=\"3187\"\u003e\n\u003ch1 data-section-id=\"ekyriw\" data-start=\"3189\" data-end=\"3213\"\u003eSmart Monitoring Ready\u003c\/h1\u003e\n\u003cp data-start=\"3215\" data-end=\"3274\"\u003eExpand your Renogy energy system with real-time monitoring.\u003c\/p\u003e\n\u003cp data-start=\"3276\" data-end=\"3292\"\u003eCompatible with:\u003c\/p\u003e\n\u003cul data-start=\"3294\" data-end=\"3410\"\u003e\n\u003cli data-section-id=\"1s4mb7o\" data-start=\"3294\" data-end=\"3306\"\u003eRenogy ONE\u003c\/li\u003e\n\u003cli data-section-id=\"11uob4j\" data-start=\"3307\" data-end=\"3325\"\u003eRMS-DCDC Display\u003c\/li\u003e\n\u003cli data-section-id=\"jp2s89\" data-start=\"3326\" data-end=\"3346\"\u003eRenogy DC Home App\u003c\/li\u003e\n\u003cli data-section-id=\"15do9hs\" data-start=\"3347\" data-end=\"3368\"\u003eRS485 Communication\u003c\/li\u003e\n\u003cli data-section-id=\"e0mf6w\" data-start=\"3369\" data-end=\"3410\"\u003eBT-2 Bluetooth Module (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3412\" data-end=\"3420\"\u003eMonitor:\u003c\/p\u003e\n\u003cul data-start=\"3422\" data-end=\"3510\"\u003e\n\u003cli data-section-id=\"1y9vuyv\" data-start=\"3422\" data-end=\"3439\"\u003eBattery voltage\u003c\/li\u003e\n\u003cli data-section-id=\"7d2zur\" data-start=\"3440\" data-end=\"3457\"\u003eCharging status\u003c\/li\u003e\n\u003cli data-section-id=\"1f3vflw\" data-start=\"3458\" data-end=\"3471\"\u003eTemperature\u003c\/li\u003e\n\u003cli data-section-id=\"v22n6c\" data-start=\"3472\" data-end=\"3487\"\u003eSystem faults\u003c\/li\u003e\n\u003cli data-section-id=\"uju5e7\" data-start=\"3488\" data-end=\"3510\"\u003eCharging performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3512\" data-end=\"3515\"\u003e\n\u003ch1 data-section-id=\"zjxypn\" data-start=\"3517\" data-end=\"3543\"\u003eTechnical Specifications\u003c\/h1\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"3545\" data-end=\"4121\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"3545\" data-end=\"3572\"\u003e\n\u003ctr data-start=\"3545\" data-end=\"3572\"\u003e\n\u003cth data-start=\"3545\" data-end=\"3561\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"3561\" data-end=\"3572\" data-col-size=\"md\" class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"3583\" data-end=\"4121\"\u003e\n\u003ctr data-start=\"3583\" data-end=\"3643\"\u003e\n\u003ctd data-start=\"3583\" data-end=\"3598\" data-col-size=\"sm\"\u003eProduct Name\u003c\/td\u003e\n\u003ctd data-start=\"3598\" data-end=\"3643\" data-col-size=\"md\"\u003eRenogy DC to DC Battery Charger with MPPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3644\" data-end=\"3670\"\u003e\n\u003ctd data-start=\"3644\" data-end=\"3660\" data-col-size=\"sm\"\u003eInput Voltage\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3660\" data-end=\"3670\"\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3671\" data-end=\"3698\"\u003e\n\u003ctd data-start=\"3671\" data-end=\"3688\" data-col-size=\"sm\"\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3688\" data-end=\"3698\"\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3699\" data-end=\"3725\"\u003e\n\u003ctd data-start=\"3699\" data-end=\"3718\" data-col-size=\"sm\"\u003eCharging Current\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3718\" data-end=\"3725\"\u003e30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3726\" data-end=\"3780\"\u003e\n\u003ctd data-start=\"3726\" data-end=\"3744\" data-col-size=\"sm\"\u003eCharging Method\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3744\" data-end=\"3780\"\u003eMulti-Stage (Bulk, Boost, Float)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3781\" data-end=\"3815\"\u003e\n\u003ctd data-start=\"3781\" data-end=\"3798\" data-col-size=\"sm\"\u003eSolar Charging\u003c\/td\u003e\n\u003ctd data-start=\"3798\" data-end=\"3815\" data-col-size=\"md\"\u003eBuilt-in MPPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3816\" data-end=\"3857\"\u003e\n\u003ctd data-start=\"3816\" data-end=\"3835\" data-col-size=\"sm\"\u003eCharging Sources\u003c\/td\u003e\n\u003ctd data-start=\"3835\" data-end=\"3857\" data-col-size=\"md\"\u003eAlternator + Solar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3858\" data-end=\"3936\"\u003e\n\u003ctd data-start=\"3858\" data-end=\"3885\" data-col-size=\"sm\"\u003eCompatible Battery Types\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3885\" data-end=\"3936\"\u003eLithium (LiFePO₄), AGM, Gel, Flooded, Lead Acid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3937\" data-end=\"3962\"\u003e\n\u003ctd data-start=\"3937\" data-end=\"3953\" data-col-size=\"sm\"\u003eCommunication\u003c\/td\u003e\n\u003ctd data-start=\"3953\" data-end=\"3962\" data-col-size=\"md\"\u003eRS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3963\" data-end=\"4014\"\u003e\n\u003ctd data-start=\"3963\" data-end=\"3975\" data-col-size=\"sm\"\u003eBluetooth\u003c\/td\u003e\n\u003ctd data-start=\"3975\" data-end=\"4014\" data-col-size=\"md\"\u003eBT-2 Module Ready (Sold Separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4015\" data-end=\"4065\"\u003e\n\u003ctd data-start=\"4015\" data-end=\"4028\" data-col-size=\"sm\"\u003eMonitoring\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4028\" data-end=\"4065\"\u003eRenogy ONE, RMS-DCDC, DC Home App\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4066\" data-end=\"4101\"\u003e\n\u003ctd data-start=\"4066\" data-end=\"4079\" data-col-size=\"sm\"\u003eDimensions\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4079\" data-end=\"4101\"\u003e9.6 × 3.0 × 5.7 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4102\" data-end=\"4121\"\u003e\n\u003ctd data-start=\"4102\" data-end=\"4111\" data-col-size=\"sm\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4111\" data-end=\"4121\"\u003e3.1 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"4123\" data-end=\"4126\"\u003e\n\u003ch2 data-section-id=\"1vtcvuy\" data-start=\"4128\" data-end=\"4149\"\u003eWhy You'll Love It\u003c\/h2\u003e\n\u003cp data-start=\"4151\" data-end=\"4516\"\u003eThe Renogy 30A DC to DC Charger simplifies dual-battery charging by combining alternator charging and a high-efficiency MPPT solar controller into one rugged unit. Whether you're traveling in an RV, exploring off-grid, or powering marine electronics, it intelligently manages your batteries for reliable performance, extended battery life, and efficient energy use.\u003c\/p\u003e\n\u003chr data-start=\"4518\" data-end=\"4521\"\u003e\n\u003ch2 data-section-id=\"w3a6bn\" data-start=\"4523\" data-end=\"4541\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul data-start=\"4543\" data-end=\"4632\"\u003e\n\u003cli data-section-id=\"hj2poy\" data-start=\"4543\" data-end=\"4594\"\u003eRenogy 12V 30A DC to DC Battery Charger with MPPT\u003c\/li\u003e\n\u003cli data-section-id=\"10sdtyb\" data-start=\"4595\" data-end=\"4608\"\u003eUser Manual\u003c\/li\u003e\n\u003cli data-section-id=\"ia8e7e\" data-start=\"4609\" data-end=\"4632\"\u003eInstallation Hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Renogy","offers":[{"title":"30A Battery Charger","offer_id":45871050916031,"sku":null,"price":182.78,"currency_code":"USD","in_stock":true},{"title":"50A Battery Charger","offer_id":45871050948799,"sku":null,"price":307.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5806\/3551\/files\/51W5PbJH4LL.jpg?v=1784401775","url":"https:\/\/dynamicpowersupply.com\/products\/renogy-dc-to-dc-charger-with-mppt-12v-30a-multi-stage-charging-smart-on-board-battery-charger-for-solar-alternator-input-charges-lithium-agm-gel-flooded-batteries-in-rvs-cars-marine","provider":"Dynamic Power Supply","version":"1.0","type":"link"}